Solid-State Relay

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 a Dwyer 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
www.dwyer-inst.com

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Avoiding scale, corrosion and microbiological growth — all of which diminish effective heat transfer — is the focus of any water treatment approach for water-contacted process heating and cooling equipment.