ICM (Best Sellers)
Line Voltage Monitoring
Three Phase Voltage Monitors
Universal Controls

ICM450A and ICM450A PLUS+

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ICM (Best Sellers)
Line Voltage Monitoring
Three Phase Voltage Monitors
Universal Controls

ICM450A and ICM450A PLUS+

Programmable 3-Phase Line Voltage Monitors

For more than two decades, ICM has been an innovator and a recognized leader in the manufacturer of line voltage controls designed to protect your most valuable equipment. The ICM450A and ICM450A PLUS+ are the latest 3-phase offerings, providing superior motor protection from premature failure and damage caused by common voltage faults such as phase unbalance, over/under voltage, phase loss, and phase reversal. 

Additionally, the ICM450A PLUS+ offers a real-time clock for the date and time stamp of fault events when they occur along with a Modbus RS485 communications port for communicating with a standard building management system. 

Both the ICM450A and ICM450A PLUS+ are proudly manufactured in the USA by ICM Controls. 

  • Backlit LCD
  • Simultaneous 3-phase true RMS voltage monitoring
  • Factory calibrated
  • 3-phase voltages simultaneously displayed on LCD
  • Fault memory
  • Fault monitoring: High / low voltage, voltage unbalance, phase loss, phase reversal
  • Real time clock, date and time stamped events (ICM450A+PLUS)
  • Simple configuration
  • Fully adjustable variables
  • Modbus RS485 communications (ICM450A+PLUS)
  • LED indicators
  • Common ¼” quick connect terminations
  • English or Spanish menu options

Electrical

  • Voltage Range: Universal 190 – 600 VAC
  • Frequency: 50-60 Hz
  • Load Side Monitoring: Optional
  • Control Voltage: 18 – 240 VAC
  • Type: Relay, SPDT
  • Voltage Range: 277 VAC @ 6A maximum
Environment
  • Operating Temperature: -40ºF to +149ºF (-40ºC to +65ºC)
  • Storage Temperature: -40ºF to +185ºF (-40ºC to +85ºC)
Mechanical
  • Mounting: Surface mount using (2) #8 screws
  • Terminations: 1/4” quick connects
  • Weight: 12 ounces (341 grams)
  • ModBus: RS485 Communication (ICM450A plus+)
Ordering Information
  • ICM450A: Supersedes ICM450
  • ICM450A PLUS+: Supersedes ICM450, ICM455
Weight/Dimensions
  • Length: 6.5”
  • Width: 4.75″
  • Height: 1.09”
Sell Sheet
Download
Application/Install Guide
Download
Modbus Data Mapping (ICM450A-Plus+)
Download
Modbus Troubleshooting Tips
Download
Comparison with TimeMark
Download
Videos

A-1: EAC-800, EAC-8000, EAC-8002

Copeland: 085-0160-00

Diversified: AC-2020, AC-301, AC-302

ICM: ICM450, ICM 450S

Mars: PFM-2000

Motorsaver: 455

SSAC: QLM/QLV

Time Mark: 265

Wagner / DiversiTech: DTP-3, WPC-800