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19 April 2017 Switches, Relays & Keypads

Honeywell’s Micro Switch TL series toggle switches are sealed to MIL-DTL-3950 standard and can be specified for indoor or outdoor applications subject to shock, vibration, dust, splashing or hose-directed water. Robust and durable, they suit military, aerospace and other demanding environment applications where reliability is essential. They are available in a wide variety of circuitry and pole options.

The switches feature a bonded seal between the toggle lever and brushing and between the cover and the case, ensuring environmental sealing and delivering a long operating life under extreme conditions. Operating temperature range is -65°C to +71°C. A number of operating actions are available in the TL series, including 2- and 3- position, maintained and momentary toggle action. In addition to standard or tab actuators, special designs can be specified. For extra safety and security and to avoid unintentional actuation, the TL series is also available with optional lever locks (pull-to-unlock), so two separate actions are required to operate the switch.

Available in 1, 2 and 4 pole options, (SPST, SPDT, DPST, DPDT, 4PST, 4PDT), TL series toggle switches meet a variety of circuitry requirements. With AC and DC capability and rated up to 20 A, plus offering a choice of silver alloy or gold-plated contacts, the toggle switches also handle a variety of electrical load requirements, including low-voltage DC applications. Innovative step design cases provide additional space between terminals to prevent shorting. Popular termination options are available, including screw, solder lugs, quick-connect, leadwire and integrated wire termination systems (IWTS).

In addition to being constructed from military-grade components, the TL series is UL recognised, CSA certified and CE approved. Supplied to applications in military and commercial aircraft and helicopters, these toggle switches are also found in aviation ground support equipment, tracked and wheeled military vehicles and construction equipment. Applications include switching on/off pumps and lights; movement control of lift platforms and ramps; control of road pavers, trenchers, stump cutters and many others.

For more information visit www.aerco.co.uk

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