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Phase failure relay with selectable ON delay and 2 C/O outputs.

Stock Code: MG53BH

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The GIC MG53BH is a precision voltage monitoring relay designed for 3-phase systems, offering configurable ON delay and fixed trip delay for reliable fault protection.

🔧 Technical Highlights:

  • Supply Voltage: 415 VAC (3-phase, 3-wire)
  • ON Delay: Selectable 0.5-15 s
  • OFF Delay: Fixed 5 s (Trip Time)
  • Under Voltage Threshold: 55-95%
  • Over Voltage Threshold: 105-125%
  • Asymmetry Threshold: 10%
  • Monitoring Functions: Phase Loss, Phase Sequence, Asymmetry
  • Output: 2 C/O relays

✅ Benefits:

  • Enables fast detection and protection against phase and voltage anomalies
  • Selectable delay ensures flexible commissioning across applications
  • DIN rail compatible for easy integration into control systems

🚀 Applications:

  • Industrial motor protection systems
  • Pumps, chillers, and compressor control panels
  • Automation and VFD equipment

MG53BH ensures fault-tolerant operation and voltage safety in high-reliability environments.

Supply Voltage3x400Vac, 3x415Vac
Output Relay / ChannelsDPCO
Output Relay Rating5A @ 230V
MountingDIN Rail
Size36mm
Connections3 Wire
ProtectionIP20, IP40
Weight0.15
Type File Name
Data Sheet voltagemonitoringrelays.pdf
Technical Drawings 2M TIMER.stp.zip

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