Overview: The 2018 Littelfuse Aftermarket Products Catalog is a comprehensive guide to electrical components such as fuses, relays, solenoids, switches, and connectors used across various industries including heavy-duty trucks, construction, and agriculture. It highlights Littelfuse's dedication to providing reliable products for both OEM and aftermarket applications.
Key Sections:
- Product Offerings: The catalog details a wide range of products including fuses, fuse blocks, power distribution modules, high-current switches, relays, and solenoids. It also features emergency fuse kits and commercial assortments for easy access and storage.
- Fuse Types and Selection: It explains different types of fuses, such as blade and bolt-down fuses, and provides guidance on selecting the appropriate fuse for specific applications. The catalog introduces SmartGlow® technology for easy identification of blown fuses.
- Battery Disconnect Switches: New products include a variety of battery disconnect switches with configurations ranging from 100A to 500A, designed for diverse applications.
- Packaging and Branding: The catalog introduces new packaging designs for the Cole Hersee brand, emphasizing easy identification and enhanced product information.
- Fuseology: This section educates on the purpose of fuses, causes of fuse blowouts, and the importance of selecting the correct replacement fuse. It warns against counterfeit fuses and stresses the importance of using genuine Littelfuse products.
Critical Information:
- Fuse Selection: The catalog provides a detailed fuse selection chart and guidance on choosing the right fuse based on physical type and application requirements.
- Installation Tips: Emphasizes the importance of proper installation and the risks associated with counterfeit fuses.
- Industry Applications: Lists various industries and applications where Littelfuse products are utilized, such as material handling, municipality services, automotive, marine, construction, and agriculture.
Conclusion: The Littelfuse Aftermarket Products Catalog serves as a vital resource for selecting and understanding the use of electrical components in various industries, ensuring safety and reliability in electrical systems.
Introduction: The document discusses the importance of using the correct fuses in vehicles to prevent fire hazards and ensure safety. It highlights the exclusion order issued in 1983 by the United States International Trade Commission and President Ronald Reagan to prohibit the importation of unsafe look-alike blade fuses.
Specifications:
- Current Rating: The maximum current a fuse can carry continuously under specified conditions. It is crucial to match the fuse's current rating with the circuit's amperage to avoid overfusing or underfusing.
- Voltage Rating: Indicates the maximum voltage at which the fuse can operate safely. Automotive fuses typically have a voltage rating of 32 volts, suitable for 12-volt applications.
Procedures:
- Adding a Circuit: Use a circuit protection device with a fuse holder or fuse block. The Littelfuse Add-A-Circuit Fuse Holder is recommended for adding circuits safely.
- Fuse Packaging: Various packaging options are available, including blister packs, pillboxes, and bulk cartons, to suit different retail and installation needs.
Product Information:
- Blade Fuses: Includes MINI, Low Profile MINI, MAXI, ATO, MICRO2, and MICRO3 fuses, each designed for specific applications and environments. Smart Glow fuses feature an indicator light for easy troubleshooting.
- Cartridge Fuses: JCASE fuses offer a space-saving design with increased time delay and low voltage drop, suitable for OEM applications.
Retail Information: The document provides details on retail packaging, part numbering, and order numbers for Littelfuse products, emphasizing easy identification and market coverage.
Fuse Specifications: The catalog lists a range of fuses with specific material and catalog numbers. Each entry includes the voltage rating (V DC), material number, and catalog number. The fuses are categorized by their current rating, ranging from 1A to 1200A, and are available in different pack sizes.
Assortment Kits: Littelfuse offers a variety of fuse assortment kits, including European, British, Japanese, American, and Cellular fuse assortments. Each kit contains a selection of fuses with different amperages, designed to meet specific regional or application needs.
SmartGlow Assortments: These assortments include ATO and MINI fuses with a SmartGlow feature, which indicates when a fuse has blown. The kits are available in various pack sizes and include a mix of amperages.
Value Pack Kits: The Value Packs provide a comprehensive assortment of OEM fuses in a reusable package. These kits are designed for home and repair shop use, offering a wide range of fuse types and amperages.
Emergency Kits: Littelfuse offers emergency diagnostic fuse kits for ATO and MINI fuses, ideal for use in vehicles. These kits include popular amperages and a roadside tester/puller for easy fuse replacement.
Commercial Assortments: Designed for professional technicians, these assortments cover a wide range of circuit protection needs. They are packaged in durable storage containers suitable for service centers and road service operations.
Red Box: The Red Box is a comprehensive kit containing over 500 fuses, covering more than 98% of the market's circuit protection needs. It includes various modules for different fuse types, all organized in a portable carrying case.
- MICRO3 Fuses: Available in 5A, 7.5A, and 10A.
- MCASE Fuses: Available in 20A, 25A, 30A, and 40A.
- LOW PROFILE JCASE Fuses: Available in 20A to 60A.
- AGC Glass Box Fuses: Range from 1A to 30A.
- SFE Glass Box Fuses: Available in 4A, 9A, 14A, 20A, and 30A.
Modular Rack Systems:
- Flexible fuse offerings that can be customized and mounted on counters or walls.
- Includes size and color identification charts for easy replacement.
- Various part numbers available for different fuse types and assortments.
Circuit Breakers:
- MINI Footprint Circuit Breakers: Designed for 12V DC automotive systems, conforming to SAE J553C standard.
- Type I Circuit Breakers: Automatic reset, used for circuits with momentary overloads.
- Type II Circuit Breakers: Modified reset, remains open until power is removed.
- Type III Circuit Breakers: Manual reset, used for safe diagnosis of circuit faults.
- Wide MINI Footprint Circuit Breakers: Fit ATO or MINI blade fuse blocks, available in cycling and non-cycling types.
- Specialty OEM ATO Footprint Circuit Breakers: Direct replacements for OEM vehicles, conforming to SAE J553C standard.
- Universal ATO Footprint Circuit Breakers: Offer snap-off terminals for flexibility, used in 12V DC systems.
- MAXI Style Circuit Breakers: Fit MAXI Blade fuse blocks, available in cycling and non-cycling types.
- Fuse Clip Circuit Breakers: Designed for glass fuses, used in 12V DC systems.
Mounting Brackets and Bus Bars:
- Available in steel or nylon, designed to accept specific series breakers.
- Bus bars made from brass or copper, facilitate connection of box-type circuit breakers.
High Amp Circuit Breakers:
- Used in auxiliary and accessory circuits for trucks, buses, RVs, and marine applications.
- Comply with SAE J1117 and J1625 standards for ignition protection.
- Available in ratings from 50A to 150A, with UL approval and RoHS compliance.
Overview: The document provides detailed specifications and part numbers for various in-line panel mount blade fuse holders, JCASE in-line cartridge fuse holders, glass fuse in-line holders, and multiple position fuse blocks. These components are used in electrical systems to protect circuits by housing fuses that prevent overcurrent.
In-line Panel Mount Blade Fuse Holders - AFH Series: Designed for use with ATO 25 and 30A fuses, these holders come with an 8" loop of 10 gauge orange wire. They are available in standard and heavy-duty versions, with ingress protection rated at IP67. Part numbers and specifications vary based on amperage and wire details.
JCASE In-Line Cartridge Fuse Holders: These holders are suitable for JCASE fuses and are available with brackets, covers, or wire sizes of 10AWG (up to 40A) or 8AWG (up to 60A). They offer IP67 ingress protection and are available in bulk or carded packaging.
Glass Fuse In-Line Holders: These holders accept SFE and AGC fuses up to 30A and are available in various configurations, including twist-lock and heavy-duty versions. They are constructed from durable materials and include features like spring-loaded mechanisms for secure fuse placement.
Multiple Position Fuse Blocks: The document details various fuse blocks, including ATO and Omni-Blok® series, which support multiple fuse positions and are designed for easy installation and maintenance. These blocks are available with different terminal configurations and protective covers.
Recommendations and Cautions: The document advises against using fusetaps as they can stress terminals and cause overheating. It recommends using Add-A-Circuit® kits for adding circuits safely without cutting or splicing.
Additional Accessories: The document also lists accessories like fuse pullers, battery master switches, and terminal blocks, providing part numbers and specifications for each.
Battery Isolators vs. Combiners: Battery isolators are passive devices that prevent current from draining between batteries but cause a 10-15% voltage loss. They are not compatible with smart alternators due to interference with sensors. Battery combiners, however, avoid voltage loss and work well with smart alternators, offering additional features like boost and easier installation.
Preventing Battery Drain: Inactive vehicles can experience battery drain due to electronics drawing quiescent currents. A Low Voltage Disconnect (LVD) can prevent this by disconnecting components when voltage falls below a threshold, extending battery life.
Battery Isolators: These devices isolate batteries to prevent charge drainage and allow simultaneous charging. They are protected against adverse conditions and have a per leg rating equal to half the alternator rating. Schottky Diode models comply with ambulance specifications.
Smart Battery Isolators: These hybrid devices prevent auxiliary battery loads from draining the starting battery, work with all alternator types, and allow bi-directional charging. They connect the auxiliary battery only after the primary battery is charged to 13.2V.
Battery Combiners & FlexMod™ Devices: Battery combiners intelligently manage charge distribution between battery banks. FlexMod devices are versatile modules with programmable outputs, offering features like low standby current and overvoltage protection.
Low Voltage Disconnects: SureStart™ LVDs conserve battery power by disconnecting loads when voltage drops. They are compact, waterproof, and auto-sense voltage ranges. The Magnum version offers higher amperage and additional features like overcurrent protection.
Solenoids and Relays: Solenoids and relays are remote switches, with solenoids typically referring to metal can devices. They can be intermittent or continuous duty, with bi-stable relays offering energy efficiency by maintaining states without continuous current.
Electronic Relays: Solid-state relays like the 48785 model are durable, sealed, and suitable for high inrush circuits, offering millions of on-off cycles.
Bi-Stable Latching Relays: These relays support remote power switching, ideal for high current and engine starting needs, with features like auxiliary relay contacts for additional control.
Overview: The document provides detailed technical specifications and part numbers for various relays and solenoids offered by Littelfuse. It includes information on high current relays, continuous and intermittent duty solenoids, plug-in relays, and battery disconnect switches. The document is structured to assist in selecting the appropriate relay or solenoid for specific applications, highlighting features such as voltage, amperage, circuitry, and environmental resistance.
Specifications: The relays and solenoids are designed for a range of applications, with voltage ratings from 6V to 48V DC and amperage ratings from 35A to 750A. They feature silver alloy contacts for low resistance and extended life, stainless steel hardware, and tin-plated copper contacts for harsh environments. The document specifies ingress protection ratings (IP66/IP69k) for certain models, ensuring durability in challenging conditions.
Part Numbers and Configurations: The document lists numerous part numbers, each associated with specific voltage, amperage, and configuration details. It includes options for single pole, dual pole, and various contact forms (SPST, SPDT). The relays are available in bulk, boxed, or retail packaging, with additional options for insulated or grounded configurations.
Wiring Diagrams and Installation: Wiring diagrams are provided for continuous and intermittent duty solenoids, illustrating the connections for different configurations. The document also includes mounting specifications, such as hole sizes and spacing, to facilitate installation.
Applications and Recommendations: The relays and solenoids are suitable for a wide range of applications, including engine starting, lighting, heating, and cooling systems. The document emphasizes the importance of selecting the correct relay type based on the load type (resistive, motor, solenoid) to ensure optimal performance and longevity.
Additional Features: Some relays include features like LED output wires for remote status indication, PVC coatings for environmental protection, and resistor shorting circuits for specific applications. The document also mentions lockout/tagout capabilities for safety during maintenance.
Conclusion: Littelfuse offers a comprehensive range of relays and solenoids designed to meet diverse automotive and industrial needs. The document provides essential technical details to aid in the selection and application of these components, ensuring reliability and safety in various operational environments.
Overview: The document provides detailed specifications and features of various battery disconnect switches offered by Littelfuse. These switches are designed for isolating battery power in vehicles and other applications, ensuring safety and compliance with standards such as OSHA, SAE J1171, and ISO8846.
Specifications:
- 75920 Series: Offers a 400A continuous and 3000A intermittent current rating at 12V DC. It is waterproof and dustproof to IP68 standards, suitable for exposed locations, and includes a built-in lockout feature.
- TR Series: Features a 500A dual pole battery disconnect switch, capable of handling two circuits simultaneously (12 & 24V DC). It is ignition protected and has ingress protection to IP67 and IP69k.
- SR Series: Provides a 300A continuous current rating with tin-plated copper studs for maximum conductivity. It is also ignition protected and suitable for hazardous load applications.
Product Features:
- Built-in lockout mechanisms to satisfy OSHA requirements.
- Ingress protection ratings ranging from IP65 to IP69K, ensuring suitability for various environmental conditions.
- Various mounting options including through-hole and flange mount, with materials like stainless steel and zinc-plated steel for durability.
Applications: These switches are used in vehicle electrical systems to cut off battery power, manage multiple circuits, and provide safety in hazardous environments. They are suitable for both light-duty and heavy-duty applications, with options for manual operation and quick disconnect features.
Additional Information: For detailed datasheets, wiring diagrams, and additional product options, users are directed to visit the Littelfuse website.
Overview: The document is a technical catalog from Littelfuse, detailing various types of rocker and toggle switches. It includes specifications, part numbers, ratings, and features of each switch type, along with mounting and sealing information.
Sealed Rocker Switches: These switches are rated at 25A at 12V DC and are available in various configurations such as SPST, SPDT, and DPDT. They feature dependent or independent illumination, with options for different lens colors. The switches are sealed to IP66 standards, ensuring protection against dust and prolonged spray.
Rocker Switch Series: The 56027 and 58027 series are non-illuminated rocker switches with a matte black finish and brass blade or screw terminals. The 56327 and 58327 series include small round lens pilot light rocker switches with dependent or independent illumination.
M-58031 Series: This series includes 20A rocker switches certified to IP66, featuring a neoprene gasket/panel seal and black nylon bezel. They are available with blade terminals and silver contacts.
58326 Series: These 20A rocker switches come with pilot lights and are certified to IP66. They feature a matte black plastic housing and are available with various imprints upon request.
Mounting Accessories: The document details bezels and mounting kits for snap-in mounting of switches. Bezels can be arranged in parallel arrays and mounted with bracket kits.
Toggle Switches: The document explains the meaning of SPST, DPST, and other configurations, highlighting the differences between dependent and independent illumination. It also provides de-rating information for switches used at higher voltages.
55025 Series: These are 25A sealed toggle switches, waterproof and dustproof to IP68 standards, suitable for harsh environments. They feature nickel-plated brass components and standard mounting dimensions.
54100 Series: This series includes standard or illuminated toggle switches with black nylon or clear plastic handles. They are designed for universal applications and come with mounting hardware.
Overview: This document is a catalog of Littelfuse aftermarket products, focusing on various types of switches used in automotive applications. It includes detailed specifications for push-button, momentary, push-pull, rotary, and foot switches.
Specifications:
- Push-Button Switches: Available in various configurations such as SPST, DPST, and SPDT, with ratings up to 20A at 12V DC. They feature different actuator types like buttons and plungers, with options for PVC coating and rubber caps for moisture resistance.
- Momentary Switches: Designed for applications requiring temporary activation, such as horn and door switches. They are available in ratings up to 10A at 12V DC, with various mounting options and actuator styles.
- Push-Pull Switches: These switches operate by pushing or pulling the actuator and are available in SPST and DPST configurations. They are suitable for controlling multiple circuits and are available with different knob materials and finishes.
- Rotary and Foot Switches: Rotary switches are manually operated by rotating the actuator, while foot switches are designed for hands-free operation, typically mounted on the floorboard.
Applications:
- School Buses: Many switches are specifically designed for use in school bus stepwell and door control systems, offering features like dynamic parking for wiper switches.
- Marine and Automotive: The catalog includes marine-grade switches and those suitable for automotive lighting and engine start/stop functions.
Additional Features:
- Some switches include built-in seals for moisture resistance and are designed to fit specific panel thicknesses.
- Push-pull headlamp switches offer multiple positions for controlling different lighting functions, with options for integrated circuit breakers or fuses.
Conclusion: The Littelfuse catalog provides a comprehensive range of switches for various automotive and marine applications, emphasizing durability, versatility, and ease of installation.
Technical Document Summary:
1. Specifications and Part Numbers: This section lists various part numbers from different manufacturers such as Torcraft, VW, Wagner, Delco, GMC, and Motorcraft. It includes specific part numbers for switches and connectors, detailing their mechanical and electrical specifications, such as pole and throw configurations, normal positions, mounting details, and terminal types.
2. Specialty Switches: Details on specialty switches are provided, including their operational parameters like pressure range and thread specifications. The switches are categorized by their normal operational state (e.g., Normally On or Off) and include mounting and terminal details.
3. Vehicle Connectors: This section covers heavy-duty sockets, plugs, and assemblies designed for harsh environments. It emphasizes the importance of proper installation by trained technicians and outlines best practices for ensuring safe and effective connections. Key installation tools and procedures are recommended.
4. Tractor-Trailer Connectors: Information on 13-pole and 7-pole connectors is provided, highlighting their adaptability, construction materials, and compliance with performance standards. The connectors are designed for easy identification and robust performance in various conditions.
5. Wiring Color Codes: Standard wiring color codes for RV 7-pole connectors are detailed, specifying the function of each wire color, such as ground return, turn signals, and auxiliary power.
6. High-Performance and Quick Release Plugs: Details on high-performance plugs that surpass SAE standards are included, focusing on their environmental protection features and ease of use. Quick release interiors allow for easy maintenance and replacement.
7. 4 & 6 Pole Connector Sockets and Plugs: These connectors are typically used for trailers with limited functionality. They feature diecast metal housings and are designed for secure connections with minimal voltage drop.
8. Power Take-Off Connectors: Information on 2-pole and 1-pole power take-off connectors is provided, suitable for tarping applications and auxiliary equipment. They feature robust construction and are designed for high-integrity connections.
Overview: This document is a technical catalog from Littelfuse, detailing various aftermarket products including panel lamps, base sockets, indicator devices, buzzers, and alarms. It provides specifications, part numbers, and descriptions for each product category.
Panel Lamps and Base Sockets: The catalog lists several panel lamps with different lens colors (red, green, amber) and sizes. Each lamp operates at 12V DC and comes with wire leads. The base sockets accept incandescent or LED bulbs with corresponding bases, and are designed for various mounting configurations.
Indicator Devices: The document specifies different indicator devices, including panel lamps with chrome-plated brass or black steel materials. These devices are designed for use in automotive and industrial applications, providing visual alerts.
Buzzers and Alarms: The catalog includes a range of buzzers and alarms, such as the 12V DC Dual Rate Electronic Alarm and the Universal Buzzer. These devices are used for warning signals in vehicles and other applications, featuring solid-state circuitry and moisture-resistant housings.
Specifications and Part Numbers: Each product is listed with its part number, voltage rating, dimensions, terminal types, and additional notes. The catalog also includes an alphanumeric index for quick reference to part numbers and their corresponding pages.
Key Features: - 12V DC operation for most products. - Various lens colors and sizes for panel lamps. - Self-grounding and easy mounting options for sockets. - Dual alarm features for buzzers, providing both audible and visual alerts. - Comprehensive part number index for easy navigation.
Overview: The document is a catalog from Littelfuse, Inc., detailing their aftermarket products for the automotive sector. It includes a comprehensive list of part numbers along with their corresponding page numbers for easy reference.
Key Sections:
- Part Number Index: The catalog provides an alphanumeric index of part numbers, allowing users to quickly locate specific products within the document.
- Product Specifications: Each part number is associated with a page number where detailed specifications and descriptions can be found. This includes technical information that may be subject to change, as noted in the catalog.
- Contact Information: Littelfuse provides contact details for further inquiries, including a phone number and email address for their Chicago, Illinois office.
- Additional Resources: The catalog encourages users to visit the Littelfuse website for the most current technical information and to learn more about specific products or applications.
Important Notes: The catalog emphasizes that specifications and descriptions are subject to change without notice, highlighting the importance of consulting the Littelfuse website for the latest updates.