ICM Line Voltage Monitor: Three Phase
The ICM ICM402 is a three-phase line voltage monitor with an LED display. It monitors line voltage, phase loss, phase reversal, and phase unbalance, with a percentage volts unbalance setting based on % of input…
SKU 3G-OTH-67970
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Product Description
The ICM ICM402 is a three-phase line voltage monitor with an LED display. It monitors line voltage, phase loss, phase reversal, and phase unbalance, with a percentage volts unbalance setting based on % of input voltage. The unit features a SPST - NO contact form action.
Frequently Asked Questions
What is the ICM ICM402 line voltage monitor used for?
The ICM ICM402 is a three-phase line voltage monitor that protects motors and equipment by detecting line voltage faults, phase loss, phase reversal, and phase unbalance. It is commonly used in industrial HVAC, pumps, compressors, and conveyor systems to prevent damage from power quality issues.
What are the specifications of the ICM ICM402?
The ICM ICM402 is a three-phase line voltage monitor with an LED display. It monitors line voltage, phase loss, phase reversal, and phase unbalance. The percentage volts unbalance is set as a % of input voltage. It features a SPST - NO contact form action. The manufacturer part number is ICM402.
Where to buy the ICM ICM402 worldwide?
The ICM ICM402 is available to order through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this ICM line voltage monitor to your location.
How to install the ICM ICM402 line voltage monitor?
To install the ICM ICM402, first disconnect all power. Mount the unit securely and connect the three-phase input lines per the wiring diagram. Set the percentage volts unbalance trip point as needed. The SPST - NO output contacts connect to your control circuit. Always follow local electrical codes and consult a qualified electrician.
Used in
Common applications for ICMICM Products
3G Electric supplies ICM line voltage monitors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


