Crouzet · Switches and Sensors

Crouzet Limit Switch Series

Name: Crouzet Limit Switch Series
Brand: Crouzet

Metal and plastic housed limit switch series for position sensing, from machine and plant automation to aerospace, nuclear and explosive-atmosphere applications.

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Technical Documents

Limit Switch Selection Guide (PDF) Switch and Sensor Products Overview (PDF)

Key Features

Metal (zamak, steel, aluminium, stainless steel) or plastic housing options (depending on series)
Snap-action contact mechanism; positive-opening NC contact to IEC/EN 60947-5-1 Annex K (depending on model)
Plunger, roller plunger, roller lever, adjustable lever, flexible metal lever and rotary head actuator options (depending on series)
Protection class up to IP66 / IP67 / IP68 / IP69 (depending on series)
Operating temperature options between −55 °C and +250 °C (depending on series)
Mechanical life of up to 10 million cycles (depending on series)
Special series for aerospace, nuclear and explosive atmospheres (ATEX / IECEx); CE, UL and CCC approvals (depending on model)

Standard

Series	Type	Housing	Contact	Max. Current (250 V AC)	Protection Class	Operating Temperature	Mechanical Life
83 83	Universal type with screw terminal connection and adjustable mounting; approx. 56 × 73 × 36 mm	Metal (zamak)	Snap action; 1 NO + 1 NC, double break (Form Za)	10 A	IP66	−10 … +70 °C (−40 °C on request)	10 million cycles
83 84	Universal type with screw terminal connection and 3 cable entries; approx. 87 × 51 × 33 mm; positive-opening versions available	Metal (zamak)	Snap action; 1 NO + 1 NC, double break (Form Za)	10 A	IP66	−10 … +70 °C (−40 °C silicone version on request)	10 million cycles
83 87	Compact, pre-wired or with M12 connector; "EN" size, approx. 30 × 49 × 16 mm	Metal (zamak)	Snap action; 1 NO + 1 NC, galvanically separated (Form Zb); positive-opening NC	10 A (lower on types with M12 connector)	IP66 / IP67 / IP69, IK07	−25 … +70 °C (−40 °C on request)	10 million cycles
83 88	Compact, pre-wired; "US" size, approx. 39 × 49 × 16 mm	Metal (zamak)	Snap action; 1 NO + 1 NC, galvanically separated (Form Zb); positive-opening NC	10 A	IP66 / IP67 / IP69, IK07	−25 … +70 °C (−40 °C on request)	10 million cycles

The manufacturer has not published a separate datasheet for the 83 83 series; the values in this row are taken from the selection guide, and the standard operating temperature is shown as the same as the sister series 83 84. Actuator options: steel plunger, roller plunger, roller lever, adjustable roller lever, flexible metal lever and rotary head (depending on series and model).

Special Type

Series	Type	Housing	Contact	Max. Current (250 V AC)	Protection Class	Operating Temperature	Mechanical Life
83 589	Robust type for harsh conditions; M16 × 1 threaded body, stainless steel plunger; pre-wired; approx. 25 × 64 × 25 mm	Plastic	Snap action; changeover (SPDT, Form C)	8 A	IP66 / IP67 / IP69	−40 … +85 °C	10 million cycles
83 731	Low-profile type, protected metal plunger; mounting by threaded body; pre-wired	Steel	Snap action; changeover (SPDT, Form C)	10 A	IP66 / IP69	−5 … +70 °C (−40 °C silicone version on request)	1 million cycles
83 732	Low-profile type, steel roller plunger; mounting by threaded body; pre-wired	Steel	Snap action; changeover (SPDT, Form C)	10 A	IP66 / IP69	−5 … +70 °C (−40 °C silicone version on request)	1 million cycles
83 733	Low-profile type, metal plunger; mounting by threaded body; pre-wired	Steel	Snap action; changeover (SPDT, Form C)	10 A	IP66 / IP69	−5 … +70 °C (−40 °C silicone version on request)	1 million cycles

The standard contact is changeover (SPDT); NO-only or NC-only versions and different cable lengths are available on request. The 83 589 series also includes a dual-current type.

Harsh Environment (Aerospace / ATEX / Nuclear)

Series	Type	Housing	Contact	Max. Current (250 V AC)	Protection Class	Operating Temperature	Mechanical Life
83 777	Aerospace type, sealed; pre-wired; min. Ø 17 × 40 mm	Aluminium	Snap action; changeover (SPDT, Form C); 2- and 3-pole versions	4 A	IP66 / IP68 (4 m) / IP69	−55 … +125 °C	50 000 cycles
83 778	Aerospace type, sealed; pre-wired; min. Ø 17 × 40 mm	Aluminium	Snap action; changeover (SPDT, Form C); 2- and 3-pole versions	4 A	IP66 / IP68 (4 m) / IP69	−55 … +125 °C	50 000 cycles
83 770	Aerospace type, hermetic; pre-wired; min. Ø 14 × 34 mm	Stainless steel	Snap action; changeover (SPDT, Form C); 2-pole version	4 A	IP66 / IP68 (18 m) / IP69	−55 … +250 °C	100 000 cycles
83 771	Aerospace type, hermetic; pre-wired; min. Ø 14 × 34 mm	Stainless steel	Snap action; changeover (SPDT, Form C); 2-pole version	4 A	IP66 / IP68 (18 m) / IP69	−55 … +250 °C	100 000 cycles
83 99 Ex	Explosive-atmosphere type (ATEX / IECEx, II 2G Ex d IIB+H2); top plunger, roller plunger or rotary head; pre-wired; min. 100 × 30 × 30 mm	Aluminium, bronze or stainless steel	Snap action; changeover (SPDT, Form C)	1 A (3 A at 24/30 V DC)	IP66 / IP67 / IP69	−40 … +200 °C (depending on model and cable)	100 000 cycles
83 99 Nuc	For nuclear plant applications (RCC-E qualified depending on model); linear or rotary motion; pre-wired	Aluminium, bronze or stainless steel	Snap action; changeover (SPDT, Form C); 2-pole version	1 A (3 A at 24/30 V DC)	IP66 / IP68 (18 m) / IP69	−55 … +250 °C	100 000 cycles

These series are configured for the specific application; the values are the series limits from the manufacturer's selection guide, and not every combination may be available in a single product. For exact values, the datasheet of the relevant product applies.

Seat Switch (Passenger Detection)

Series	Type	Housing	Contact	Max. Current (250 V AC)	Protection Class	Operating Temperature	Mechanical Life
83 992	Passenger detection switch for seats; pre-wired; dimensions depend on type	Plastic	Snap action; changeover (SPDT, Form C)	4 A	IP67	−40 … +85 °C	1 million cycles

The manufacturer offers this series under type code 839921 with customer-specific adaptations; the values are taken from the selection guide.

Crouzet Limit Switch Series

Key Features

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