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ABB CM 3-Phase Monitoring Relay, 2 C/O, 300-500 V AC, 0.1-30 s 1SVR730794R3300

ABB CM 3-Phase Monitoring Relay, 2 C/O, 300-500 V AC, 0.1-30 s 1SVR730794R3300
ABB CM 3-Phase Monitoring Relay, 2 C/O, 300-500 V AC, 0.1-30 s 1SVR730794R3300
R4,090
Industrial electricians and panel builders use the ABB CM three-phase monitoring relay to protect motors and equipment from phase loss, phase sequence errors, and voltage deviations. It monitors three-phase supplies from 300 to 500 V AC and provides two changeover contacts for control or alarm circu... Read More
Stock 2 Code 3513066 Brand ABB Model 1SVR730794R3300 Warranty 2 Years

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Industrial electricians and panel builders use the ABB CM three-phase monitoring relay to protect motors and equipment from phase loss, phase sequence errors, and voltage deviations. It monitors three-phase supplies from 300 to 500 V AC and provides two changeover contacts for control or alarm circuits.

Key specifications

  • Monitoring function: phase sequence, phase loss, over/undervoltage
  • Supply voltage: 3 x 300 - 500 V AC
  • Output contacts: 2 changeover (C/O)
  • Adjustable time delay: 0.1 - 30 s
  • Mounting: DIN rail
  • Terminal type: screw terminals
  • Operating temperature: -20 to +60 °C
  • Degree of protection: housing IP50, terminals IP20

Why choose it

The CM relay provides reliable monitoring in a compact DIN rail housing. Its adjustable delay prevents nuisance tripping during short voltage dips, and the two changeover contacts offer flexible wiring for alarms or control.

Ideal use cases

  • Protecting motors from phase loss or incorrect rotation
  • Monitoring supply voltage in control panels
  • Triggering alarms or backup systems on voltage faults

Good to know

The relay is suitable for 50/60 Hz networks and meets IEC/EN 60255-6, UL 508, and CSA 22.2 No. 14 standards.

Specifications
AC input frequency
50 / 60 Hz
AC input voltage
300 - 500 V AC
Brand
ABB
Category
Monitoring Relay
DIN rail mounting
Yes
EAN
4016779851848
LED indicators
Yes
Model
CM
MPN
1SVR730794R3300
Number of modules
1
Operating temperature (T-T)
-20 to +60 °C
Product type
3-Phase Monitoring Relay
Weight
1 kg
Price history over the last 6 months
ABB CM 3-Phase Monitoring Relay, 2 C/O, 300-500 V AC, 0.1-30 s 1SVR730794R3300
Current
R4,090
Lowest
R4,075
Highest
R4,090
Change 24H
+R15   +0%
Week
—   
Month
—   

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