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ABB CM-PFS single-function three-phase monitoring relay
Item NO.:
CM-PFSPayment:
T/TPrice:
$800Product Origin:
GermanyColor:
NEWGoods stock:
2Product weight:
1.18KGLead Time:
in stockWe will arrange delivery within 3-5 days after receiving the payment.
Our express delivery: DHL and FedEx.
Quality packing for each product
Destination country all taxes & duty to be paid by buyer
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The ABB CM-PFS is a single-function three-phase monitoring relay designed for voltage and phase sequence monitoring in three-phase power systems to ensure safe operation of electrical equipment.
It detects phase loss, incorrect phase sequence, overvoltage, undervoltage, and unbalanced voltage conditions, and triggers an alarm or switching signal when abnormal conditions occur, preventing motor and load damage.
With a compact design and fast response, CM-PFS is a reliable monitoring and protection device for industrial and commercial low-voltage systems.
| Parameter | Description |
|---|---|
| Model | CM-PFS |
| Product Type | Single-Function Three-Phase Monitoring Relay |
| Monitoring Functions | Phase loss, phase sequence, overvoltage, undervoltage, unbalanced voltage (depending on model) |
| Rated Voltage | AC 230/400V ±15% |
| Operating Frequency | 50/60 Hz |
| Relay Output | SPDT / 1 NO + 1 NC contact (depending on model) |
| Response Time | < 0.5 s (typical) |
| Mounting | DIN rail or panel mounting |
| Protection Class | IP20 |
| Operating Temperature | -20°C ~ +60°C |
| Standards | IEC 60947-5-1, IEC 60255 |
Reliable Monitoring
Monitors three-phase voltage and phase sequence in real time to prevent motor phase loss and equipment damage.
Fast Response
Short response time (<0.5 s) ensures rapid protection under abnormal conditions.
Compact Design
Small footprint allows easy DIN rail or panel installation.
Multi-Function Alarm
Supports phase loss, phase sequence error, overvoltage, undervoltage, and voltage imbalance alarms.
Industrial-Grade Durability
Vibration and dust resistant, suitable for harsh industrial environments.
Three-phase motor protection systems
Industrial power distribution systems
Building automation and HVAC systems
Pumping stations, fans, and conveyor systems
Industrial production lines and machinery
UPS and distribution panel monitoring
Provides real-time monitoring of three-phase voltage and phase sequence to ensure safe operation of electrical equipment.
Ensure the relay’s rated voltage and monitoring functions match the system before installation.
Disconnect power before wiring to prevent electric shock or equipment damage.
Periodically check relay status and operation to ensure reliable function.
Install in a dry, well-ventilated distribution cabinet, avoiding humidity and dust.
Maintenance and configuration should be performed by qualified electrical engineers.
The structure and details of the product：
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