This Earth Leakage Relay is designed to detect ground faults by monitoring the output from an external Core Balance Current Transformer (CBCT). It offers adjustable trip current and timing, LED status indicators, and supports Class A True RMS sensing per IEC 60947-2.
🔧 Technical Highlights:
- Supply Voltage: 220–415 VAC / 220 V DC
- Functions: Detects earth leakage currents via external CBCT; provides trip signal; auto/manual reset
- Timing Range: Trip delay adjustable (model specific)
- Output Contacts: 1 C/O (SPDT)
- Contact Rating: 5A @ 250 VAC / 28 VDC (resistive)
- Requires a separate core balance current transformer (CBCT)
- Auto or manual reset options
✅ Benefits:
- Must be used with external CBCT (sold separately)
- Detects leakage faults with high accuracy and reliability
- Provides enhanced fire and shock protection in electrical systems
🚀 Applications:
- Low-voltage distribution panels
- Motor protection circuits
- Industrial and commercial power systems
This relay forms a complete leakage protection system when used with a compatible CBCT.
FAQs
- Q: How is this product typically installed?
A: It is intended for DIN Rail 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.