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DHR181
DHR181 (FAA/PMA)=RELAY ...
DESCRIPTION
The DHR181 is a power switching AC contactor from the DHR18 series, featuring a 3PDT (three-pole double-throw) center-off contact arrangement rated for 50 amps at 115/200 VAC, 400 Hz operation. It is hermetically sealed to meet stringent environmental requirements and complies with MIL-PRF-6106 specifications. The contactor operates over a temperature range of -55°C to +71°C with a rated resistive and inductive load capacity of 50 amps, motor rating of 30 amps, and rupture rating of 400 amps. It delivers 50,000 minimum operating cycles at rated resistive load and 100,000 mechanical cycles, with dielectric strength of 1,500 Vrms between all circuits to ground and circuit-to-circuit, and 1,000 Vrms coil to ground. The DHR181 is ideal for aerospace and military applications requiring reliable power switching with high cycle life and hermetic sealing for harsh environments.
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