Series 861H has an internal heat sink, an internal snubber, finger-safe terminals, DIN or panel mounting and LED indicator light. The complete solid-state relay in aDwyer solid-state relay modular package has no moving parts. The intrinsically safe, patent-pending design incorporates the integrated heat sink and sealing technology to achieve the Class 1, Division 2 rating from UL for approved use in Groups A, B, C and D hazardous locations.

Dwyer Instruments Inc.
(800) 872-9141