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4 in stock
This listing is for a USED IDEC RH1B‑U plug‑in control relay. The RH1B‑U is a general‑purpose electromagnetic relay designed for industrial control and automation circuits. It features a transparent housing for visual inspection, a 24 V DC coil, and blade terminals for use with compatible relay sockets. This type of relay is commonly used in control panels, machine logic circuits, and OEM equipment.
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