The GIC MA51BK is a fixed-delay voltage monitoring relay ideal for essential protection in 3-phase systems.
🔧 Technical Highlights:
- Supply Voltage: 208–480 VAC or 145–500 VAC (variant-specific)
- Functions: Phase sequence (rotation) and phase failure monitoring; some models also detect phase asymmetry
- Timing Range: ON delay selectable 0.5–15 s (model specific)
- Output Contacts: 1 C/O or 2 C/O (depending on variant)
- Contact Rating: 5A @ 250 VAC / 28 VDC (resistive)
- Adjustable ON/OFF delays
- LED indication
- Compact DIN rail design
✅ Benefits:
- Designed for simple integration in OEM and utility panels
- Compact and efficient design with LED status indication
- Fixed timing provides consistency for standardised systems
🚀 Applications:
- Motor control circuits
- Pump panels and HVAC units
- Basic 3-phase safety interlocks
MA51BK ensures reliable protection with minimal configuration needed.
FAQs
- Q: What supply range does the relay monitor?
A: It is specified for 415 VAC systems.
- Q: What output contacts are provided?
A: It provides 1 C/O relay.