Latching Relay Protective Relays and Monitoring Relays Datasheets

CM-E Series Single-phase Monitoring Relays
from ABB Electrification Products

Single-phase Monitoring Relays. Voltage and current measuring. For the monitoring of currents and voltages in single-phase AC/DC systems, ABB's CM range contains a wide selection of powerful and compact devices all in an only 22.5 mm wide housing. This product range includes current and voltage... [See More]

  • Features: Latching (optional feature)
  • Current Sensitive Relay: Over-Current Protection (optional feature); Undercurrent (optional feature)
  • Voltage Sensitive Relay: Overvoltage Protection (optional feature); Undervoltage (optional feature)
  • Approvals: RoHS
Protection & Control -- 239 Motor Protection Relay
from GE Digital Energy

The 239 relay is designed to fully protect three phase AC motors against conditions which can cause damage. In addition to motor protection, the. relay has features that can protect associated mechanical equipment, give an alarm before damage results from a process malfunction, diagnose problems. [See More]

  • Features: Automatic Reset; Latching; Programmable Time Delay; Visual Indicator
  • Current Sensitive Relay: Undercurrent
  • Power (Phase) Sensing: Ground (Earth) Fault
  • Protective Functions: Time Delay
Multifunction Current Relay -- M3MCR
from Hoyt Electrical Instrument Works, Inc.

Can Be Used To Detect Either Over Or Under Current Conditions. When The Current Is Greater Than The Rating Of The Model Chosen, One Of Our Standard Or Split Core Current Transformers (CT) Can Be Used In Conjunction With The Relay. [See More]

  • Features: Latching; Programmable Time Delay; Visual Indicator
  • Protective Functions: Time Delay
  • Current Sensitive Relay: Over-Current Protection; Undercurrent
  • Current Sensing Range: 0.0012 to 0.5000
Power/Signal Relay -- EA2-5SNJ
from NEC TOKIN America Inc.


  • Features: Latching
  • Operating Temp: -40 to 185
  • Approvals: RoHS