Ward Leonard MDR Rotary Relay Series provides increased contact ratings compared to similar relays used in military and heavy-industrial applications. The increased contact rating enables the MDR Rotary Relay Series to be used in situations beyond the current-carrying capability of similar relays.
Unlike other relay models that use two contacts in series to achieve this increased rating, the Ward Leonard MDR rotary relay design frees contact terminals to control additional circuitry and simplify control wiring.
Engineered to MIL-R-19523B (SH) and QPL for vibration, shock, and endurance testing, exceeding 500,000 operations, the MDR Rotary Relay Series are backwards compatible with models from other manufacturers. High reliability, high performance and increased contact ratings make the durable MDR Rotary Relay ideal for the most demanding applications.
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Key Performance Ratings
High current capacity on contacts
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Increased contact ratings eliminates need to have connect in series