Description
- Product Model: CM‑MPS.41P (Order‑code:1SVR740884R3300)ABB Group
- Brand: ABB
- Warranty: One Year
- Input Voltage: Measuring & supply voltage 3×300‑500 V AC, 50/60 Hz; power is taken directly from measured three‑phase lines, no separate auxiliary supply requiredABB Group
- Operating Temperature: ‑25 °C ~ +60 °C
- Storage Temperature: ‑40 °C ~ +70 °C
- Response Time: Adjustable tripping delay 0.1‑30 s; can set instantaneous trip; selectable ON‑delay / OFF‑delay modeABB Group
- Protection Class: Housing IP50, terminals IP20; standard 35 mm DIN‑rail mountingeero
- Accuracy Class: N/A (multifunctional three‑phase voltage monitoring relay)
- Output Frequency: 50‑60 Hz AC mains monitoring
- Rated Contact Range: 2 C/O (DPDT) relay output; 250 V AC / 4 A; AC‑15 230 V 3 A; DC‑13 24 V 2 A; push‑in spring‑clip terminals (‑P suffix = push‑in type)ABB Group
- Communication Interface: No bus communication; LED status indicators for power and fault conditions
- Supported Protocols: Complies with IEC/EN 60255‑1; no field‑bus protocolABB Group
- Overload Capacity: Monitors phase failure, phase‑sequence error, phase unbalance, over‑voltage & under‑voltage; adjustable unbalance threshold; galvanic isolation between measuring circuit and relay contacts; minimum switching capacity 24 V 10 mAABB Group
- Dimensions: W 22.5 mm × H 85.6 mm × D 103.7 mm; weight approx 0.13 kg; occupies 1‑modular DIN‑rail widthABB Group
Product Overview
The ABB CM‑MPS.41P is a multi‑function three‑phase monitoring relay of CM‑MPS series with push‑in spring terminals. It draws operating power directly from L1‑L2‑L3 three‑phase voltage, without extra auxiliary power supply. It can detect phase loss, wrong phase sequence, three‑phase unbalance, over‑voltage and under‑voltage simultaneously. Thresholds and trip delay are adjustable via front‑panel potentiometers and DIP switches. Two change‑over relay contacts send fault signals to PLC, alarm or motor control circuit. It solves typical pain‑points: motor damage caused by phase‑loss / wrong‑phase‑sequence / severe voltage deviation. Automation and electrical maintenance technicians benefit from compact 1‑module width, push‑in fast‑wiring design and drop‑in spare‑part replacement for existing CM‑MPS installations
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