Telemecanique – RM3 JA112MU7 – RM3 Series Current Measurement Relay, 220–240 VAC

The RM3 JA112MU7 is a current-measuring control relay from the RM3 family, intended for monitoring line currents between 0.3 and 15 A and switching based on thresholds. Packaged in a compact, plug-in DIN-rail housing, it’s ideal for integration into control panels and machinery monitoring systems.

 Key Features

• Model / P/N: RM3 JA112MU7 (also referred to as RM3‑JA112Q/MU7 depending on variant)  

• Supply: 220–240 VAC, 50/60 Hz  

• Monitoring Range: 0.3–15 A AC line current  

• Function: Internal current transformer with adjustable pick-up threshold; energizes output relay when set current is exceeded

• Output Relay(s): SPDT rated up to 5 A @ 250 VAC (AC-15 ratings vary: 2 A @ 400 VAC); suitable for signaling or control loads  

• Housing: Plug-in RM3 form factor, DIN-rail compatible with clip or socket mounting; LED indicator shows output relay activation