
ICM Controls ICM492D Monitor
Protect sensitive HVACR equipment from transient faults and power anomalies with the ICM Controls ICM492D Single Phase Motor Monitor. This microprocessor-based line voltage monitor is the direct replacement for the legacy ICM492-LF and ICM492C, offering high-accuracy RMS voltage monitoring across a wide 80?300 VAC range. For veteran technicians, the ICM492D provides a critical advantage with its field-calibration feature, allowing you to sync the digital readout with your true-RMS multimeter for precise onsite diagnostics. Its adjustable anti-short cycle time delay (up to 720 seconds) prevents rapid compressor cycling, while the 5-fault memory stores the highest and lowest voltage readings from previous trips to streamline troubleshooting. The heavy-duty SPDT relay (dry contacts) handles inductive loads and contactor coils with ease, featuring a backlit LCD for clear visibility in dark mechanical rooms. With user-adjustable voltage setpoints and response times (0.1?10 seconds), this monitor is essential for safeguarding mini-splits, fans, and pumps against over/under-voltage conditions.
Key Benefits for the Jobsite:- Direct Replacement: Seamlessly replaces ICM492-LF and ICM492C models in existing single-phase 120V or 240V systems.
- Advanced Protection: Guards against rapid short cycling and transient power interruptions that lead to motor burnout.
- Field Calibratable: Improved microprocessor allows for voltage calibration to match site-specific multimeter readings.
- Diagnostic Memory: Built-in 5-fault memory tracks historical data for more accurate system analysis.
- Customizable Logic: Features adjustable response time and over/under voltage percentages (5?25%) to reduce nuisance trips.
What is the primary difference between the ICM492D and the older ICM492C?
The ICM492D features a more accurate microprocessor that supports true RMS monitoring and site calibration. It also includes upgraded tactile buttons for better durability and a brighter backlit display for low-light environments.
Does this unit require a separate control voltage?
No, a control voltage (18?240 VAC) is optional. When the control mode is set to "ON," the relay will only energize if a thermostat signal is present, allowing for easy integration into standard HVAC control circuits.
Can I use the ICM492D for both 120V and 240V applications?
Yes, the universal line voltage input supports any single-phase application between 80 VAC and 300 VAC, making it highly versatile for residential and light commercial equipment.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $113.48
-65%$113.48
$39.72ICM Controls ICM492D Monitor
Protect sensitive HVACR equipment from transient faults and power anomalies with the ICM Controls ICM492D Single Phase Motor Monitor. This microprocessor-based line voltage monitor is the direct replacement for the legacy ICM492-LF and ICM492C, offering high-accuracy RMS voltage monitoring across a wide 80?300 VAC range. For veteran technicians, the ICM492D provides a critical advantage with its field-calibration feature, allowing you to sync the digital readout with your true-RMS multimeter for precise onsite diagnostics. Its adjustable anti-short cycle time delay (up to 720 seconds) prevents rapid compressor cycling, while the 5-fault memory stores the highest and lowest voltage readings from previous trips to streamline troubleshooting. The heavy-duty SPDT relay (dry contacts) handles inductive loads and contactor coils with ease, featuring a backlit LCD for clear visibility in dark mechanical rooms. With user-adjustable voltage setpoints and response times (0.1?10 seconds), this monitor is essential for safeguarding mini-splits, fans, and pumps against over/under-voltage conditions.
Key Benefits for the Jobsite:- Direct Replacement: Seamlessly replaces ICM492-LF and ICM492C models in existing single-phase 120V or 240V systems.
- Advanced Protection: Guards against rapid short cycling and transient power interruptions that lead to motor burnout.
- Field Calibratable: Improved microprocessor allows for voltage calibration to match site-specific multimeter readings.
- Diagnostic Memory: Built-in 5-fault memory tracks historical data for more accurate system analysis.
- Customizable Logic: Features adjustable response time and over/under voltage percentages (5?25%) to reduce nuisance trips.
What is the primary difference between the ICM492D and the older ICM492C?
The ICM492D features a more accurate microprocessor that supports true RMS monitoring and site calibration. It also includes upgraded tactile buttons for better durability and a brighter backlit display for low-light environments.
Does this unit require a separate control voltage?
No, a control voltage (18?240 VAC) is optional. When the control mode is set to "ON," the relay will only energize if a thermostat signal is present, allowing for easy integration into standard HVAC control circuits.
Can I use the ICM492D for both 120V and 240V applications?
Yes, the universal line voltage input supports any single-phase application between 80 VAC and 300 VAC, making it highly versatile for residential and light commercial equipment.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Protect sensitive HVACR equipment from transient faults and power anomalies with the ICM Controls ICM492D Single Phase Motor Monitor. This microprocessor-based line voltage monitor is the direct replacement for the legacy ICM492-LF and ICM492C, offering high-accuracy RMS voltage monitoring across a wide 80?300 VAC range. For veteran technicians, the ICM492D provides a critical advantage with its field-calibration feature, allowing you to sync the digital readout with your true-RMS multimeter for precise onsite diagnostics. Its adjustable anti-short cycle time delay (up to 720 seconds) prevents rapid compressor cycling, while the 5-fault memory stores the highest and lowest voltage readings from previous trips to streamline troubleshooting. The heavy-duty SPDT relay (dry contacts) handles inductive loads and contactor coils with ease, featuring a backlit LCD for clear visibility in dark mechanical rooms. With user-adjustable voltage setpoints and response times (0.1?10 seconds), this monitor is essential for safeguarding mini-splits, fans, and pumps against over/under-voltage conditions.
Key Benefits for the Jobsite:- Direct Replacement: Seamlessly replaces ICM492-LF and ICM492C models in existing single-phase 120V or 240V systems.
- Advanced Protection: Guards against rapid short cycling and transient power interruptions that lead to motor burnout.
- Field Calibratable: Improved microprocessor allows for voltage calibration to match site-specific multimeter readings.
- Diagnostic Memory: Built-in 5-fault memory tracks historical data for more accurate system analysis.
- Customizable Logic: Features adjustable response time and over/under voltage percentages (5?25%) to reduce nuisance trips.
What is the primary difference between the ICM492D and the older ICM492C?
The ICM492D features a more accurate microprocessor that supports true RMS monitoring and site calibration. It also includes upgraded tactile buttons for better durability and a brighter backlit display for low-light environments.
Does this unit require a separate control voltage?
No, a control voltage (18?240 VAC) is optional. When the control mode is set to "ON," the relay will only energize if a thermostat signal is present, allowing for easy integration into standard HVAC control circuits.
Can I use the ICM492D for both 120V and 240V applications?
Yes, the universal line voltage input supports any single-phase application between 80 VAC and 300 VAC, making it highly versatile for residential and light commercial equipment.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.








