ICM (Best Sellers)
Line Voltage Monitoring
Single Phase Surge Protection
Single Phase Voltage Monitors
Surge Protection Devices (SPD)
ICM493
ICM (Best Sellers)
Line Voltage Monitoring
Single Phase Surge Protection
Single Phase Voltage Monitors
Surge Protection Devices (SPD)
ICM493
Line Voltage Monitor with Surge
The ICM493 is an advanced, single-phase line voltage monitor with a bank of surge arresters for added protection against brownouts, lightning strikes, power outages & recoveries, startup of larger equipment, power grid faults, short circuits and more. Includes a built-in 40A contactor. Housed in a NEMA Rated 3R enclosure for outdoor installations. UL Listed. Installs easily between the service disconnect and the condensing unit. Ideal for Mini-Splits or other valuable, single-phase equipment.- Protects against over and under voltage, rapid short cycling and high-power surges
- Programmable set points to determine cutoff
- Ideal for inverter systems, mini-splits, and other condensing units
- Fault history feature records and retains the most recent faults in non-volatile memory
- Bank of five L-L Surge Arresters
- Easy to view, backlit digital display
- Built-in 40A contactor
- Waterproof, NEMA–Rated 3R enclosure for outdoor use
- Easy installation and setup
- Limited lifetime product, up to a 3-year $10,000 connected equipment warranty
User Adjustable Settings:
- Voltage Setpoint: 200-240 VAC
- Anti-Short Cycle Delay: 0.5-10 Minutes
- Number of Surge Arresters Required for Operation: 0-5
- Number of Retries: 1-5, Auto
Input:
- Line Voltage: 180-264 VAC
- Frequency: 50-60 Hz
- Accuracy: +/- 2%, User Calibration
Output:
- Type: Contactor; 2-Pole
- Contactor Ratings: 40A FLA, 240A LRA
Mechanical:
- NEMA Rated 3R Outdoor Enclosure
Weight/Dimensions
- Weight: 7.55 lb.
- Height: 4.37″
- Width: 8.25″
- Length: 8″








































































































