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ICM Line Voltage Monitor: Three Phase - Line Voltage Monitors
ICMLine Voltage Monitors

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

Brand
ICM
Item
Line Voltage Monitor: Three Phase
Category
Line Voltage Monitors
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Technical Specifications

ICM
Manufacturer Part Number
ICM402
Type
Monitors Line Volt/Phase Loss/Phase Reversal/Phase Unbalance, LED
Display Type
LED
Contact Form - Action
SPST - NO
Percentage Volts Unbalance
% of Input Voltage
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ICM Products
3G Electric (S) Pte. Ltd. — Singapore

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 ICM
HVAC system sequencing — ICM ICM102B time-delay relay for on-delay control of fans or compressors
Boiler burner ignition — ICM ICM1501 ignition transformer for oil-fired hot water and steam boilers
Voltage monitoring in industrial panels — ICM ICM492D line voltage monitor for single-phase equipment protection
OEM furnace replacement — ICM ICM288 furnace control board for Rheem integrated furnace systems
Temporary construction heating — ICM ACH065 low-voltage thermostat for heat-only control in temporary structures
Blower off-delay control — ICM ICM253B time-delay relay for fan blower shutdown sequencing

ICM 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.

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