63A,80A,100A,125A: Rated current.
30mA: Residual current sensitivity (earth leakage protection).
NXBLE-125: CHINT product series code.
C63: Trip curve type C, rated for 63A,C80,C100,C125.
- Key Specifications:
- Rated current: 63 A (also available in 80 A, 100 A, 125 A for multiple pole options)
- Residual current sensitivity: 30 mA (type AC, also available in 50 mA, 75 mA, 100 mA, 300 mA)
- Number of poles: 2P (phase + neutral) version here; variants include 1P+N, 3P, 3P+N, 4P
- Rated voltage: 230 V AC (2‑pole), up to 400 V AC (for 4‑pole versions)
- Trip curve: Type C (8× In magnetic release, suitable for general loads)
- Breaking capacity (Icu): 10 kA; (Ics ≈ 7.5 kA)
- Mechanical life: approx. 20,000 cycles; Electrical life: ~6,000 cycles (≤ 100 A), ~4,000 cycles (> 100 A)
- Standards and Compliance:
- Meets IEC 60947‑2 and GB/T 14048.2 (Type AC); Some NXBLE‑125G versions comply with IEC 61009‑1
- Certified under CE, CQC, CCC, and other regional marks depending on variant/market
- Ideal for safeguarding phase + neutral circuits in residential, commercial, and light industrial environments.
- Commonly used for individual circuits like lighting, sockets, or appliances, especially where protection against leakage and short circuits is required.
- The compact DIN‑rail mounting form factor supports easy integration within consumer units or sub‑boards.













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