Single-Phase Current and Voltage Monitoring Relays CM-EFS.2 -- 1SVR430750R0400
from ABB Low Voltage Products & Systems

Single-phase voltage and current monitors protect sensitive equipment and control systems against undervoltage (brownout) or undercurrent events or overvoltage or overcurrent events. Select units with adjustable or fixed threshold values (trip points). [See More]

  • Features: Automatic Reset; Visual Indicator
  • Protective Functions: Time Delay
  • Voltage Sensitive Relay: Overvoltage Protection; Undervoltage
  • Line Voltage Range: 3 to 600
Overload Relay -- GT12
from CARLO GAVAZZI Automation Components

Differential 3 heater type for direct mounting beneath contactors. with connection by screw clamp terminals [See More]

  • Features: Automatic Reset; Visual Indicator
  • Power (Phase) Sensing: Phase Failure (Loss)
  • Voltage Sensitive Relay: Differential Voltage
  • Protective Functions: Time Delay
3-Phase Monitor -- Model 158B
from Time Mark Corporation

The Model 158 continuously monitors 3-phase power lines for abnormal conditions. When properly adjusted, the Model 158 monitor will detect phase loss on a loaded motor even when regenerated voltage is present. This device consists of a solid-state voltage and phase-angle sensing circuit, driving an... [See More]

  • Features: Automatic Reset; Visual Indicator
  • Power (Phase) Sensing: Phase Failure (Loss); Reversal
  • Voltage Sensitive Relay: Undervoltage
  • Protective Functions: Time Delay (optional feature); Synchronous Check (Paralleling)
Current Monitor Relay - CMP Series -- CMKP01A22
from Macromatic Industrial Controls, Inc.

The CM Series is used to detect either an overcurrent or undercurrent condition. The pick-up current setting is user-adjustable within one of three ranges as shown in the Product Selection Table below. An external current transformer can be used to extend the range beyond 10 amperes. Choose between... [See More]

  • Features: Automatic Reset; Visual Indicator
  • Protective Functions: Time Delay
  • Current Sensitive Relay: Over-Current Protection; Undercurrent
  • Current Sensing Range: 0.1000 to 1
Electronic Overload Relay -- ZEV
from Moeller Electric/CopperLogic

Bimetallic overload relay with saturated core current transformer suitable for motors with longer acceleration times, ie: greater than Class 10, Class 20 and Class 30 loads. [See More]

  • Features: Automatic Reset; Visual Indicator
  • Supply Voltage Range: 24 to 240
  • Voltage Sensitive Relay: Overvoltage Protection
  • Approvals: UL, CSA, IEC/EN 60 947, VDE 0660