Crydom NOVA22 DR45 solid-state relays (SSR-switches without moving contacts) are single-phase AC modules in a 45 mm housing, mountable on 35 mm DIN rail or on a panel.
Operating voltage is up to 600 V AC, with current ratings of 45 and 60 A (for example DR4560A60 with AC control and DR4560D45 with DC control).
Control is 90–280 V AC/DC or DC in the D version. High I²t withstand and optional integrated surge protection are provided; the devices are ready for installation without additional accessories. Approvals: cULus product approval and VDE.
In rolling stock and infrastructure, they are used for contactless switching of higher-power AC circuits such as heaters, pumps, ventilation and lighting in equipment cabinets.
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