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Automatic transfer switches

Automatic transfer switches
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Automatic transfer switches

Product catalog summary
Overview: This document serves as a comprehensive guide on Kohler's integrated power systems, focusing on automatic transfer switches (ATS) and their integration with generators, switchgear, and controllers. It highlights the quality and customization of Kohler products to meet specific power requirements.
Key Components:
  • Generators: Kohler provides gas generators (25-400 kW) and diesel generators (10-3250 kW).
  • Automatic Transfer Switches (ATS): Available in open, closed, and programmed transition modes with configurations for standard, bypass-isolation, and service-entrance.
  • Controllers and Monitoring: Kohler Decision-Maker® controllers manage system diagnostics, with remote monitoring facilitated through Kohler's software and wireless monitors.
Specifications and Features:
  • ATS Configurations: Kohler ATS are available in multiple configurations to suit various applications, ensuring seamless integration with Kohler generators and switchgear.
  • Communication Capabilities: Equipped with Ethernet and Modbus for advanced communications.
  • Certifications: UL listed with CSA and IBC certifications available.
Product Series Comparison:
  • Decision-Maker® MPAC® Controllers: Three models (750, 1200, 1500) offering different features and capabilities, such as amperage, phases, poles, and voltage range.
  • Transition Types: Standard/open, delayed/programmed, and closed transitions are available, each suited for different operational needs.
Enclosure Ratings: NEMA ratings specify protection levels for enclosures, ranging from general-purpose indoor use to watertight and weatherproof options for outdoor use.
Withstand and Close-On Ratings (WCR): The document explains the importance of selecting the correct WCR to ensure reliability and avoid unnecessary costs or potential damage.
Poles and Neutral Switching: Options include solid, switched, and overlapping neutrals, with configurations depending on the generator's grounding and fault protection requirements.
Regulatory Compliance: Adherence to NEC and NFPA regulations is crucial for determining the appropriate transfer switch configuration and ensuring safe operation.
Introduction: The document provides a comprehensive overview of Kohler's automatic transfer switch controllers, focusing on the Decision-Maker MPAC series. It outlines the specifications, features, and benefits of different models, as well as the accessories available to enhance functionality.
Ground Fault Explanation: The document begins with an explanation of ground faults, illustrating how current flows in the event of a fault and the role of the ground fault sensor in tripping the breaker.
MPAC Controllers Overview: The Decision-Maker MPAC series includes three models: MPAC 750, MPAC 1200, and MPAC 1500. Each model offers different features and capabilities:
  • MPAC 750: Basic control with LED indicators, programmable voltage settings, and a seven-day generator exercise schedule.
  • MPAC 1200: Offers extended I/O, LCD display, and comprehensive programmable settings for voltage, frequency, and time delays.
  • MPAC 1500: Designed for complex systems, including three-source systems and prime power applications, with standard Ethernet communication and advanced load control.
Specifications and Features: The document details the specifications for each controller model, including voltage and amperage ranges, phase and pole configurations, and transition types. It also highlights the user interface options, communication capabilities, and load control methods.
Three-Source System: The MPAC 1500 supports a three-source system, providing redundancy with two generators and two automatic transfer switches. This setup ensures continuous power availability and extends maintenance intervals.
Load Management: Kohler offers load management solutions to maintain system stability by shedding or controlling loads based on current or time. This prevents generator overload and ensures critical loads are prioritized.
Transfer Switch Accessories: A variety of accessories are available to customize the transfer switch, including I/O modules, alarm modules, external battery supply, and more. These accessories enhance functionality and flexibility.
Service and Support: Kohler provides extensive service and support through a global network of locations, ensuring expertise in power specifications and equipment integration.
Conclusion: Kohler's power systems are designed for reliability and performance, tested under rigorous standards to ensure they meet the demands of various applications worldwide.
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Catalog excerpts

Automatic transfer switches-1

KOHLER Power Systems TOTAL SYSTEM INTEGRATION GENERATORS I TRANSFER SWITCHES I SWITCHGEAR I CONTROLS

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Automatic transfer switches-2

YOUR JOB IS COMPLEX. WE MAKE IT EASY. This isn’t your typical power system, and it isn’t your typical ATS. Because at the heart of your integrated power system is a quality KOHLER® automatic transfer switch. A transfer switch that’s designed by Kohler, built by Kohler and chosen specifically for your power requirements. Good news: There’s more. Behind that power system is a team of dedicated Kohler engineers that focuses on every element – generator, transfer switch, switchgear and controller – to be sure the system you get is the system you need. You’ll know that your project is supported by...

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Automatic transfer switches-3

KOHLER® GENERATOR Gas generators 25-400 kW Diesel generators 10-3250 kW KOHLER AUTOMATIC TRANSFER SWITCH Open, closed and programmed transition operating modes; standard, bypass-isolation and service-entrance switch configurations KOHLER DECISION-MAKER® CONTROLLERS Control, monitors and system diagnostics KOHLER WIRELESS MONITOR Performance monitoring around the clock KOHLER MONITORING SOFTWARE Monitors generators and transfer switches from a PC KOHLER REMOTE ANNUNCIATOR Remote monitoring and testing of transfer switches KOHLER PARALLELING SWITCHGEAR Low and medium voltage SPEC YOUR JOB AT KOHLERPOWER.COM...

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Automatic transfer switches-4

ATS LINEUP PEACE OF MIND STARTS HERE. Bridging the gap between loss of utility and standby power is no small task. KOHLER® automatic transfer switches (ATS) are designed to meet that challenge, distributing power to feed the critical loads of your facility. Every transfer switch needs a controller to ensure transfer of power from utility to generator and back again. KOHLER Decision-Maker® MPAC® controllers offer clear choices in matching function to application. STANDARD FEATURES MULTIPLE APPLICATIONS Find the perfect option. KOHLER transfer switches are available in standard, bypass-isolation...

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KOHLER PRODUCT SERIES Comparison Features Voltage Range Standard Open Transition Standard Delayed Transition Standard Closed Transition Bypass Isolation Open Transition Bypass Isolation Delayed Transition Bypass Isolation Closed Transition Service Entrance WCR – Current Limiting Fuses Short-Time Withstand Rating Product Type Withstand and Close-On Ratings (WCR) SPEC YOUR JOB AT KOHLERPOWER

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CUSTOM CONFIGURATION THE CHART TELLS THE STORY. You can custom configure switches by choosing the exact components needed. This standard process allows Kohler to provide the correct switch for your application with delivery in the shortest amount of time. Each letter and numeral corresponds to a specific element of the ATS. KBP-DMVA-0150S KOHLER® AUTOMATIC TRANSFER SWITCH (K) • Bypass-isolation mechanism (B) • 4-pole, 4-wire with switched neutral (V) • Decision-Maker® MPAC® 1500 controller (D) S – Standard (Specific Breaker) G – OPEN MCCB = Molded-Case Circuit Breaker CUSTOM CONFIGURATION MCSW =...

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MECHANISM TYPES OPTIONS FOR EVERY APPLICATION. STANDARD TRANSFER SWITCH A standard transfer switch has a single mechanism that transfers the load from one power source to another power source. It’s the most common type of application. • Available in standard/open, delayed/programmed and closed transition BYPASS-ISOLATION TRANSFER SWITCH A bypass-isolation transfer switch bundles an automatic and a manual transfer switch into a single unit. Bypass isolation is used to transfer power to the manual switch to allow servicing of the ATS while maintaining power to the facility. When the primary automatic...

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Automatic transfer switches-8

TRANSITION TYPES FACTORY-CONFIGURED FOR MODE OF OPERATION. The transfer switch controller manages the power sensing, timing functions and fault monitoring needed for automatic operation. Depending on your application, the switch can be configured to operate in one of three modes: standard/open transition, delayed/programmed transition or closed transition. STANDARD/OPEN: BREAK BEFORE MAKE In open transition, the load is disconnected from one source before being connected to the alternate source. This is the most common type of application, used for loads that are not highly inductive or mission-critical....

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ENCLOSURE RATINGS PROTECT YOUR PROPERTY. NEMA ratings were developed by the National Electrical Manufacturers Association to rate enclosures for industrial environments. Also known as UL enclosure TYPE ratings, they specify standards of protecting equipment against weather, water, dust and light. Choose a NEMA-rated enclosure based on where you’ll install the transfer switch. NEMA 1 – GENERAL PURPOSE NEMA 4 AND 4X – WATERTIGHT AND WEATHERPROOF • For indoor use under normal conditions • Protects against dust, light and indirect splashing of water • Provides protection against splashing and hose-directed...

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WITHSTAND AND CLOSE-ON RATING ENSURE THE RELIABILITY OF YOUR ATS. Withstand and close-on rating (WCR) is comprised of installation point and selective breaker trip times required two measurements: the ability of the transfer switch to to isolate and clear a fault at the point closest to the fault withstand fault (short circuit) current for a specific period event, a realistic understanding of the transfer switch’s of time while maintaining functionality; and the ability of withstand capability can be seen. Choosing the correct the transfer switch to close into a fault and continue to WCR is important...

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TRANSFER SWITCH EQUIPMENT TYPE A(PC) FOR USE ON EMERGENCY OR STAND-BY SYSTEMS RATED FOR TOTAL SYSTEM OR MOTOR LOADS Suitable for control of motors, electric discharge lamps, tungsten filament lamps and electric heating equipment where the sum of motor full-load ampere ratings and the ampere rating of other loads do not exceed the ampere rating of the switch and the tungsten load does not exceed 30 percent of switch rating. SHORT-CIRCUIT RATING When protected by a circuit breaker, this Transfer Switch is suitable for use in a circuit capable of delivering the Short-Circuit current for the maximum...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.