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LIMIT AND MICRO SWITCHES

LIMIT AND MICRO SWITCHES
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LIMIT AND MICRO SWITCHES

Product catalog summary
Overview: Giovenzana International B.V. specializes in industrial safety technology, offering a range of limit switches and microswitches designed to meet international standards and customizable for specific needs. Their products prioritize safety for operators, machines, and processes.
Product Range: The catalog includes various series of limit switches such as FTN, FTNG, FCT, STNK, MFI, and MZ, each suited for different applications and environments. These switches are made from thermoplastic materials, comply with international standards, and are suitable for harsh conditions.
Specifications: The FTN series, for example, complies with EN 60947-5-1 and UL 508 standards, featuring a thermal current of 10 A, rated insulation voltage of 500 V, and IP67 rating (except FTN146, which is IP65-rated). They are designed for applications like moving machinery and protective doors, with adjustable actuator heads and levers.
Design and Features: The FTN series includes rotating heads adjustable in 90° steps, various actuator types, and contact elements with direct opening mechanisms. The body is made of glass-filled polybutylene terephthalate, ensuring durability and compliance with EN 50047.
Safety Standards: The document references IEC 61508, emphasizing functional safety requirements for electrical/electronic systems, with safety integrity levels (SIL) ranging from 1 to 4.
Conclusion: Giovenzana's limit switches are versatile, reliable, and meet high safety standards, suitable for a wide range of industrial applications.
FTN Series Overview: The FTN series thermoplastic limit switches are rated SIL 3 according to IEC 61508 standards, used in automated installations for detecting presence, passage, positioning, and end of travel.
Specifications: The FTN series includes models with different actuators and contact types, supporting linear, rotary, and multidirectional detection movements.
Contact Blocks: Various contact block configurations are listed, each with specific ratings for AC and DC applications.
Conduit Entry Options: Standard and optional conduit entry sizes include M16 × 1.5, M20 × 1.5, 1/2’’ NPT, PG11, and PG13.5.
Operational Parameters: Detailed operational parameters such as operational travel, operating force, positive opening, and total travel are specified for each contact type.
Technical Drawings: Technical drawings with dimensions are included for mounting and installation purposes.
Product Selection: A code selection overview assists in choosing the appropriate switch configuration based on series, function, actuator, contact type, and conduit entry.
FTNG Series Overview: The FTNG series of 40 mm thermoplastic limit switches are designed for heavy applications, compliant with multiple international standards.
Specifications: The FTNG series conforms to standards like EN 60947-5-1 and UL 508, featuring positive opening operation for NC contacts and a thermal current of 10 A.
Design and Construction: Made from UL-approved glass-filled polybutylene terephthalate, providing IP67 protection, with a mechanical life expectancy of at least 10 million cycles.
Components: Includes rotating heads, actuators, contact elements, and covers, with adjustable actuator heads and levers for maximum versatility.
Applications: Suitable for heavy applications and harsh conditions, but not for safety applications.
MZ Series Overview: The MZ series micro switches are used in various applications, divided into MZS with screw terminals and MZW with solder terminals, each with specific actuator types and configurations.
Main Features: High precision snap action micro switches with various actuator types and a spring mechanism for switching electrical contacts.
Specifications: Certified for safety under US-CA standards with a rating of 15A 125/250 VAC.
Performance Parameters: Detailed performance parameters for each actuator type, including operating force, release force, pretravel, overtravel, differential movement, initial position, and operating position.
Product Selection: Code selection overviews for both screw and solder terminal types guide the selection of appropriate micro switches.
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Catalog excerpts

LIMIT AND MICRO SWITCHES-2

GIOVENZANA INTERNATIONAL B.V.® is one of the world’s leading suppliers of industrial safety technology. With our wide range of limit switches and microswitches, we offer our customers effective and versatile solutions. Our long-standing experience, our in-depth knowledge of the market and our daily proximity to our customers are reflected in our production. REV. 00_22 GIOVENZANA INTERNATIONAL B.V. reserves all the rights to modify, as specifications change, all technical and functional characteristics of the products shown in this catalogue without prior notice as this information is intended...

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LIMIT AND MICRO SWITCHES-3

PRODUCT INDEX thermoplastic limit switches PRODUCT INDEX PA roller lever plunger, horizontal action PA roller lever plunger, vertical action Spring lever with tip in PA CAT'S whisker Adjustable metal rod lever Plastic end plunger with manual reset Ø50 rubber roller lever and manual reset Ø18 metal roller lever and manual reset Ø18 long PA roller Ø50 rubber roller lever with lever with variable length variable length Ø50 long rubber roller lever with variable length Ø50 rubber roller lever with variable length and overhang Ø50 long rubber roller lever with variable length and overhang Wobble stick...

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LIMIT AND MICRO SWITCHES-4

PRODUCT INDEX FTNG SERIES 40 mm thermoplastic limit switches for heavy applications PRODUCT INDEX M12-connected and pre-wired thermoplastic limit switches Steel roller plunger 90° steel roller plunger Metal revolving lever with Ø17.5 nylon roller Adjustable metal revolving lever with Ø17.5 nylon roller Metal end plunger with threaded flange Steel roller plunger with threaded flange 90° steel roller plunger with threaded flange Metal end plunger with rubber protection Adjustable steel rod lever Steel roller plunger Ø18 PA roller lever with variable length STNK SERIES Ø50 rubber roller lever with...

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LIMIT AND MICRO SWITCHES-5

PRODUCT INDEX micro switches micro switches SCREW TERMINALS SOLDER TERMINALS MFI.S PRODUCT INDEX Bending lever Bending roller lever Panel mount plunger Panel mount roller plunger Panel mount cross roller plunger SCREW TERMINALS Hinge roller lever Short hinge roller lever Unidirectional hinge roller lever Terminal enclosure SCREW TERMINALS MFI.ST Hinge lever SCREW TERMINALS + PLATE PROTECTION MFI.STP Long roller lever Simulated roller lever Roller lever Long lever Medium lever Short lever FASTON TERMINALS 6.3 x 0.8 mm + TOWER ACTUATOR WITH THREADED FLANGE Short hinge lever SOLDER TERMINALS Bending...

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LIMIT AND MICRO SWITCHES-6

Thermoplastic limit switches FTN SERIES The thermoplastic limit switches of the FTN series comply with EN 50047 and are designed to provide a wide range of switch variants (slow action or snap action basic switches) and a variety of actuating heads and levers suitable for safety applications. The thermoplastic bodies have two fixing holes with distance of 20 or 22 mm and one hole for cable entry on the bottom of the switch. Various types of threaded cable entry are available to cover the main requirements of the international market. The maximum product versatility is guaranteed by the adjustable...

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LIMIT AND MICRO SWITCHES-7

Thermoplastic limit switches STRUCTURE DESCRIPTION The built-in switch has a direct opening mechanism that forcibly separates the NC contact even in the event of accidental welding (overload, short circuit, etc.). ROTATING HEAD Different contact elements are available, both fast-acting and slow-acting, depending on the different application requirements. The heads are made of UL approved glassfilled polybutylene terephthalate. It is available a fixing plate with slots to adjust the operating point, developed for backward compatibility with old products. The plate is sold in kits (code: KIT-FTN)...

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LIMIT AND MICRO SWITCHES-8

Thermoplastic limit switches CONTACT ELEMENT - SPECIFICATIONS CONTACT CODE CONTACT TYPE CONTACT ELEMENT - OPERATING PRINCIPLE 2NO Slow action Zb Not suitable for safety applications! SNAP ACTION - Contact elements acting indipendently Slow-acting contact blocks are characterised by identical switching and resetting points (no differential travel). Snap-action contact blocks are characterised by non-coincident switching and resetting points (differential travel). The contact movement speed (V1) is equal or proportional to the actuator speed (V). The speed of the contact movement (V1) is not linked...

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LIMIT AND MICRO SWITCHES-9

Thermoplastic limit switches DETECTION MOVEMENTS SAFETY INTEGRITY LEVEL ACCORDING TO IEC 61508 Limit switches are used in all automated installations and also in a wide variety of other applications. They transmit data to the logic processing system regarding: presence/absence, passage, positioning and end of travel. They have different detection movements: linear, rotary and multidirectional. IEC 61508: Functional safety of electrical/electronic/programmable electronic safety systems 1. Linear detection movement - Plunger IEC 61508 is the international technical-legislative reference for Functional...

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LIMIT AND MICRO SWITCHES-10

Thermoplastic limit switches FTN - PRODUCT SELECTION OVERVIEW Not suitable for safety applications! Threaded conduit entry Standard: M16 × 1.5 On request: M20 × 1.5 1/2’’ NPT PG11 PG13.5 With connector CONTACT TYPES CATEGORIES RATINGS slow action (Zb) B600 Q600 A300 slow action (Zb) Q300 snap action (Zb)

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LIMIT AND MICRO SWITCHES-11

FTN - CODE SELECTION OVERVIEW Limit switch with plastic end plunger IP67 CONTACT TYPE on request M M20 × 1.5 N 1/2’’ NPT G1 PG11 G3 PG13.5 C male connector “A” without reset function thermoplastic limit switch CONDUIT ENTRY thermoplastic limit switches without reset PA roller lever plunger, horizontal action PA roller lever plunger, vertical action spring lever with tip in PA CAT’S whisker adjustable metal rod lever technical drawing - sizes in mm contact type Ø18 long PA roller lever with variable length Ø50 rubber roller lever with variable length Ø50 long rubber roller lever with variable...

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LIMIT AND MICRO SWITCHES-12

Limit switch with PA roller lever plunger, horizontal action IP67 Limit switch with PA roller lever plunger, vertical action IP67 XX conduit entry blank M N G1 G3 C PA roller lever plunger, X11: 1NO+1NC horizontal action W02: 2NC slow action (Zb) W20: 2NO Z11: 1NO+1NC snap action (Zb) Z02: 2NC W12: 1NO+2NC slow action (Zb) W03: 3NC contact type operation diagrams (1) mounting holes (2) PA roller categories slow action A600-Q600 (Zb) snap action B600-Q600 (Zb) slow action A300-Q300 (Zb) W03 3NC slow action (Zb) operational travel PT2 (slow action) PT1 RP (snap action) 3.6 mm 5.4 mm 3.6 mm 3.3...

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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.