The GIC MA21DN is a compact voltage monitoring relay offering essential protection and configurable delay.
🔧 Technical Highlights:
- Supply Voltage: 415 VAC (assumed)
- ON Delay: Selectable 0.5–15 s
- OFF Delay: Fixed 5 s (assumed)
- Under Voltage Threshold: 55–95% (assumed)
- Over Voltage Threshold: 105–125% (assumed)
- Monitoring Functions: Phase Loss, Sequence, Asymmetry
- Output: 1 C/O relay
✅ Benefits:
- Compact design suits tight enclosures and field panels
- Reliable detection of common 3-phase faults
- Adjustable ON delay supports variable load types
🚀 Applications:
- HVAC systems
- Pump stations
- Small machinery starters
MA21DN provides essential voltage protection in a slim profile.