Key Characteristics (from official CHINT documentation)
- Series / Model: NL1 series (NL1‑100 for 80/100 A ratings in 3‑pole configuration)
- Rated Current (In): 80 A or 100 A
- Sensitivity Settings (IΔn): 50 mA (for direct-contact protection) or 300 mA (fire/leakage hazard protection)
- Protection Type: AC-type (detects sinusoidal AC leakage) with options for A‑type models if DC pulses are present
- Poles: Available in 3P (three-phase without neutral) or 4P versions; we focus on 3P here
- Rated Voltage (Ue): 400–415 VAC at 50/60 Hz (2P covers 230 VAC)
- Breaking Capacity: Up to 6 kA or 10 kA depending on variant
- Response Time: Instantaneous trip or short time delay (≥10 ms), depending on type S or standard
- Feature: Trip indicator flag, DIN-rail snap-on mounting, cable or busbar terminations, ambient −25 °C to +40 °C, IP20 enclosure.
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