The RP‑‑‑ from Comadan’s C‑Mac range is a panel-mount, three-phase voltage monitoring relay engineered for reliable power supervision in industrial control systems. Designed to monitor phase-to-neutral voltages on a  VAC three-phase supply, it offers adjustable under- and over-voltage protection with programmable delay timing, ensuring safe operation under fluctuating mains conditions.

Key Features:

Model / P/N: RP‑‑‑
Supply Voltage:  ×  VAC three-phase, – Hz
Monitoring Range:
- Under-voltage adjustment: –% of nominal
- Over-voltage adjustment: –% of nominal
Time Delay: – s adjustable (factory hysteresis ~%)
Relay Output: Single-pole SPST–NO, rated  A @  VAC resistive
Consumption & Indicators:
- Power draw: ~. VA
- LEDs: green for supply present, red when relay is active
Construction:
- Housing: flame-retardant material,  g weight
- Panel cut-out style, compact form ideal for control panels
Operating Conditions: – °C to + °C, –% RH non-condensing
Safety & Approvals: CE marked, meets EN and EN EMC/safety regulations

Comadan (C-Mac) – RP33-1-3-400 – Three-Phase Voltage Monitoring Relay, 400 VAC

Comadan (C-Mac) – RP33-1-3-400 – Three-Phase Voltage Monitoring Relay, 400 VAC