Solid State Relays (SSR)

Single-phase solid state relays that switch resistive loads without contacts, silently and at zero cross. On frequently switched heaters they last far longer than contactors.

• DC Input SSRs – 4–30 VDC control, driven directly by the SSR output of a PID controller
• AC Input SSRs – 90–240 VAC control, driven by a relay output or a 230 V control circuit

Current: 10 – 75 A · Load voltage: 24–240 VAC or 48–480 VAC. We recommend rating the SSR at least 1.5–2 times the load current and using a suitable heat sink.

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