Thermal switches for aerospace applications High vibration, shock resistant honeywell.com/aero

Honeywell Thermal Switches Products


Product and Application Guide


PRODUCT PRODUCT DESCRIPTION APPLICATIONS
High vibration, shock resistant

100 Model - MIL-STD-8805
Thermally actuated micro-switch. Capable of 1,000,000-cycle life at rated load. Up to 10,000,000 at lower loads.

Water, hydraulics, refrigeration, battery, air temperature, box temperature, overheat and/or regulation on all applications listed above.
Thermally actuated microswitch 250 Model
Designed for applications requiring high current capacity. Can survive high vibration and shock environments. 20+ year design, 1,000,000+ cycle-life capability. Up to 15 Amps. 		Aircraft window heat controllers and defrosters, Space Station pump control for liquids, battery and compartment temperature controls, power supply overtemperature, railroad step defrosters, gun mount mechanism de-icing, ship gun turrets.
Internal temperature sensor

270 SPACE - S311-641/04
Honeywell's answer to the Space Industry's ever-increasing high-current requirements. Up to 15 Amps

Large satellites, spacecraft, rocket boosters, life support systems and experimental modules
High reliability space switches 500 Model -MIL-PRF-24236/1
Ideally suited for applications requiring exceptional reliability, rapid temperature response, and consistently high quality. Off-the-shelf designs are available - see "In-Stock Inventory". 		Industrial, aeronautic, and military applications
High reliability space switches

700 Model - S311-641/03
High reliability and temperature stability. Off-the-shelf stainless steel designs available in multiple configurations - see "In-Stock Inventory". 20+ year design and 1,000,000+ cycle-life capability. Up to 5 Amps.

 Manned and unmanned space vehicles
Internal temperature sensor

Custom Models
Designs meet severe or unusual environments, high or low current applications, unusual temperature ranges and/or nonstandard differentials and setpoint tolerances. Custom switches can range from unique variations of standard products to special designs for unusual needs. A broad range of packaging options are available.

 High or low current applications
High quality thermal sensor

Armored Vehicle - MIL-S-12285(AT)
Honeywell is a long-term supplier of thermal switches and derivatives for military armored vehicles.

We currently provide switches per MIL-S-12285(AT).
The 975-0121 and 975-0122 devices correspond to the /1 and /2 versions of the specification.

975-0121-201Outline Drawing

975-0122-201Outline Drawing		 Military armored vehicles
Thermally actuated microswitch

Train- Thermal Management
Specifically designed for applications that require high current capacity and are subject to high vibration and shock.

 Train applications
Internal temperature sensor

Train - EMD Fan Control
Designed and qualified to operate the cooling fan contactor on EMD locomotive engines.

Locomotive engines

THERMAL SWITCHES exported from the United States must be done in accordance with the Export Administration Regulations (EAR) and/or the International Traffic in Arms Regulations (ITAR) as applicable.

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