Product Description
Product Overview: Multifunctional Three-Phase Monitoring Relays
Type: CM-MPS.43
The CM-MPS.43 three-phase monitoring relay monitors key phase parameters, including phase sequence, phase failure, over- and undervoltage, and phase unbalance. Suitable for mains with a frequency of 45–440 Hz, the device is available in two terminal versions: screw connection or push-in terminals for tool-free installation.
Key Features
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Monitoring Functions:
- Phase sequence (can be disabled).
- Phase failure.
- Over- and undervoltage (adjustable thresholds).
- Phase unbalance (adjustable thresholds).
- Measuring Principle: TRMS (True Root Mean Square).
-
Configurable:
- Automatic phase sequence correction.
- Adjustable tripping delay (0 s; 0.1–30 s).
- ON-delayed or OFF-delayed tripping delay selectable.
- Power Supply: Powered by the measuring circuit.
- Railway Application Compatibility.
- Fire Protection: Housing material classified UL 94 V-0.
- Mounting: Tool-free DIN rail installation and removal.
- LED Indicators: Three LEDs for operational state indication.
Specifications
- Housing Width: 22.5 mm (0.89 in).
- Contacts: Configurable as 1 x 2 or 2 x 1 c/o (SPDT).
- Frequency Range: 45–440 Hz.
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Connection Options:
- Push-in terminals (Easy Connect Technology).
- Screw terminals (double-chamber cage connection).
Ordering Information
| Model | Rated Voltage | Connection Technology | Order Code |
|---|---|---|---|
| CM-MPS.43P | 3 x 300–500 V AC | Push-in terminals | 1SVR740884R4300 |
| CM-MPS.43S | 3 x 300–500 V AC | Screw terminals | 1SVR730884R4300 |