Switches and position Sensors
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DETECTION & SENSING Technical Guide

100 YEARS MANUFACTURING THE FUTURE Together STANDARDS TECHNICAL BASIS Limit Switch for thrust reverser door Upper Se condary Lock function. 8 4 Crouzet’s customers and partners can rely on our teams worldwide to always meet and often exceed their expectations. Driven by innovation, our experts are focused on designing and delivering the right product for the right application. Limit Switches Based on hermetically sealed microswitches (250 °C).15 Limit Switches Based on hermetically sealed mic roswitches (150 °C).16 Crouzet is your trusted partner of choice to face the industrial challenges...

ICROUZET.COM |4 | DETECTION & SENSING ICROUZET.COM |5 | DETECTION & SENSING A RANGE OF PRODUCTS ADAPTED TO THE DEMANDS OF THE MARKET OF DETECTION AROUND TH E WORLD In order to best serve a large diversity of applications, Crouzet offers a wide range of standard products. From the 1-pole simple plunger switch to the 3-pole adjustable-roller plunger switch, also Crouzet offers a complete range of high-performance products which optimise volume and weight whilst functioning over a wide current range from 1 mA to 7 A. Our extensive range is also aimed at cost reduction and rationalized stock...

HERMETICALLY SEALED M ICROSWITCH TYPES 83 151 (-55 °C TO 150 °C) Inert gas filling Solder Compressed glass seal DISTINCTIVE CHARACTERISTICS This is the basic component for our whole range of standard 1-pole and 2-poIes hermetically-sealed limit switches plus the 3-poIes version (special Limit Switches). The Crouzet hermetic microswitch combines a snap-action switching system with high resistance to shock and vibration in an hermetically sealed miniature case which encloses an atmosphere of inert gas around its contacts, ideal for switching very Iow level circuits and higher currents also....

ICROUZET.COM |8 | DETECTION & SENSING ICROUZET.COM |9 | DETECTION & SENSING HERMETICALLY SEALED MICROSWITCH TYPES 83 151 (-55 °C TO 150°C) Reliability of characteristics Below are two test extracts showing the stability of the essential characteristics over time and as a function of temperature. CONNECTIONS Electrical connections are made through the base, by three ferronickel terminals, with copper core, sealed by compressed glass. Soldered Wired -Epoxy resin coating- Travels and forces Change in the characteristics concerned under a constant load of 25 Newtons applied to the operating...

ICROUZET.COM | 10 | DETECTION & SENSING ICROUZET.COM |11 | DETECTION & SENSING with lateral flange + lever Characteristics Max. Operating force Min. Release force Permitted Overtravel force Positive Overtravel stop Service life Max. Pre-travel Max. Differential travel Min. Overtravel Weight (without wires) STANDARDS TECHNICAL BASIS Dimensions (mm) Add the dimensions of the various connections to find the total dimensions } indicates the wire direction Tripping point Nut h 2.5 x 17 / flat Panel cut-out

ICROUZET.COM | 12 | DETECTION & SENSING ICROUZET.COM | 13 | DETECTION & SENSING These variants of the basic type 83 151 feature a compensating system which allow them to be used at pressures above atmospheric. For other characteristics please refer to basic model type 83 151 0 STANDARDS TECHNICAL BASIS

ICROUZET.COM |14 | DETECTION & SENSING HERMETICALLY SEALED MICROSWITCHES TYPES 83 151 (250°C)WITHOUT ACCESSORIES (BASIC CELL -55°C TO +250°C) TYPE 83 151 201 LIMIT SWITCHES - BASED ON HERMETICALLY SEALED MICROSWITCHES (250°C) BASIC CELL (-55°C TO +250°C) TYPE 83 151 201 This basic component is the same design as the 83 151 001 standard cell but is adapted for operation in high temperatures up to 250 °C. (1) On soldered connections. for wired connections add 0.18 V per meter. Category 250°, 280° (2) Characteristics at: 0 = 250 °C atmospheric pressure at ground level. Add the dimensions of...

ICROUZET.COM | 16 | DETECTION & SENSING ICROUZET.COM | 17 | DETECTION & SENSING MECHANICAL CAPACITY We have adapted the telescopic sub-assemblies for our hermetically sealed microswitch according to pressure and operating temperature requirements. Our products can therefore be used at atmospheric pressure or in an absolute vacuum and at a temperature of -50°C to +150°C. BASIC CELL (-55 °C TO +150°C) TYPE 83 151 001 Criteria Panel cut-out Dimensions (mm) Add the dimensions of the various connections for the total dimensions indicates the direction of the wires IBall bearing 0 3 Nut h 2 - 11/...

ICROUZET.COM |18 | DETECTION & SENSING ICROUZET.COM | 19 | DETECTION & SENSING BASIC SENSITIVE MICROSWITCH TYPE 83 141 002 (-55°C TO +150°C) WITHOUT ACCESSORIES This microswitch is notable for its excellent performance in a very compact space (13 x 10 x 5 mm). It is the basic element of our range of standard 1-pole, 2-pole, 3-pole waterproof Limit Switches, and special 4-pole Limit Switches. The meticulous care taken in the manufacture of this microswitch in terms of assembly processes, cleanliness of components as well as inspection procedures, results in a product which is ideal for...

ICROUZET.COM | 20 | DETECTION & SENSING ICROUZET.COM | 21 | DETECTION & SENSING WATERPROOF LIMIT SWITCHES TYPE 83 777 BASED ON SENSITIVE MICROSWITCH This range of Limit switches satisfies applications which require lightweight miniature devices without sacrificing mechanical and electrical performance. They are particularly well suited to severe environments such as: Aerospace, Armaments, Marine, etc. The plungers for this range of limit switches are equipped with an ice-scraper seal. BASIC SENSITIVE MICROSWITCH 83 141 002 Simple plunger Characteristics Criteria Nominal current Resistive...

ICROUZET.COM | 22 | DETECTION & SENSING ICROUZET.COM | 23 | DETECTION & SENSING WATERPROOF LIMIT SWITCHES TYPE 83 778 BASED ON SENSITIVE MICROSWITCH This range of Limit switches satisfies applications which require lightweight miniature devices without sacrificing mechanical and electrical performance. They are particularly well suited to severe environments such as: Aerospace, Armaments, Marine, etc. The plungers for this range of limit switches are equipped with orientable roller. BASIC SENSITIVE MICROSWITCH 83 141 002 Plunger with orientable roller in 45° steps Characteristics Max....