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Relay with UV/OV & SPP protection, dual outputs, and adjustable ON delay.

MG73BH is an under/over‑voltage monitoring relay that trips when supply voltage moves outside preset limits, safeguarding equipment from over‑voltage and under‑voltage conditions. Suitable for AC systems, it offers adjustable delays and a changeover contact rated 5 A at 250 VAC / 30 VDC.

Stock Code: MG73BH

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The GIC MG73BH features a selectable ON delay for secure system energising during power-up.

🔧 Technical Highlights:

  • Supply Voltage: 208–480 VAC or 240 VAC (model specific)
  • Functions: Under/Over voltage monitoring with phase loss & sequence detection; adjustable thresholds and delays
  • Timing Range: ON/OFF delay selectable up to 15 s (model specific)
  • Output Contacts: 1 C/O or 2 C/O
  • Contact Rating: 5A @ 250 VAC / 28 VDC (resistive)
  • Asymmetry and neutral-loss detection (some models)
  • LED indications

✅ Benefits:

  • Start-up delay minimises false tripping on unstable supply
  • Comprehensive voltage and phase protections
  • Suitable for motor-heavy loads and automation

🚀 Applications:

  • Motor control centres
  • Industrial HVAC units
  • Critical power infrastructure

MG73BH stabilises power-up conditions for sensitive electrical systems.

FAQs

  • Q: How is this product typically installed?
    A: It is intended for DIN rail or panel mounting depending on model in industrial control cabinets.
  • Q: Where is it commonly used?
    A: It is used in automation and control panels where dependable switching, monitoring, or indication is required.
Supply Voltage230Vac & 3x400Vac
Output Relay / ChannelsDPCO
Output Relay Rating5A @ 230V
MountingDIN Rail
Size36mm
Connections4 Wire
ProtectionIP20, IP40
Weight0.15
Type File Name
Data Sheet voltagemonitoringrelays.pdf
Technical Drawings 2M TIMER.stp.zip

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