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3-phase monitoring relay with adjustable asymmetry and 1 C/O output.

Stock Code: MG53BF

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The GIC MG53BF is designed for delayed disconnection of 3-phase loads.

🔧 Technical Highlights:

  • Supply Voltage: 160–280 VAC
  • ON Delay: Fixed 1 s
  • OFF Delay: Selectable 0.5–15 s
  • Under Voltage Threshold: 55–95%
  • Over Voltage Threshold: 105–125%
  • Monitoring Functions: Phase Loss, Sequence, Asymmetry, UV/OV
  • Output: 2 C/O relays

✅ Benefits:

  • Ideal for applications where sustained fault presence must be confirmed
  • Dual output offers flexible fault handling
  • LED fault indicators enhance serviceability

🚀 Applications:

  • HVAC protection
  • Load shedding
  • Overvoltage-sensitive systems

MG53BF ensures time-buffered fault disconnection with clear diagnostics.

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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