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CHINT NXB-125 Moulded Case Circuit Breaker
In Stock
In Stock
Description
Product description：1. Compliant standards IEC60947-2 2. Compliant certification CE 3. Major function Overload protection short circuit protection positive isolation 4. Technical parameters Rated current: 63A 80
📊 Typical Specifications
Here are some representative specs (please check the exact variant for your application):
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Rated current (In): 63 A, 80 A, 100 A, up to 125 A. chintglobal.com+1
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Rated operational voltage: AC: 230 V for 1-pole; 400 V for 2P/3P/4P. chintglobal.com+1
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Short-circuit breaking capacity (Icu): 10 kA AC typical. chintglobal.com+1
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Service short-circuit breaking capacity (Ics): ~7.5 kA AC typical. chintglobal.com+1
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Rated impulse withstand voltage (Uimp): 4 kV. chintglobal.com+1
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Mechanical life: ~20,000 cycles; Electrical life: ~6,000 cycles (≤100A) or ~4,000 cycles (>100A) for this series. chintglobal.com+1
A 100A 125A; Rated voltage: 240V ~ (1P) 415
✅ Main Specifications
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Rated current (In): 63 A, 80 A, 100 A, 125 A (available in 1-pole (1P), 2P, 3P, 4P) chintglobal.com+2chint.it+2
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Rated voltage (AC):
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1 P: ~230 V (or 240 V) chint-circuit-breaker.com+2chintglobal.com+2
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2P, 3P, 4P: ~400 V (or 415 V) chint-circuit-breaker.com+2chintglobal.com+2
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Frequency: 50/60 Hz chintglobal.com+1
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Thermal-magnetic release characteristics:
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“C” curve: 8× In (i.e., instantaneous trip at ~8 times rated current) chintglobal.com
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“D” curve: 12× In chintglobal.com
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Short-circuit breaking capacity (Icu): 10 kA (AC) chint.it+1
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Service short-circuit breaking capacity (Ics): 7.5 kA (AC) chint.it+1
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Rated impulse withstand voltage (Uimp): 4 kV chintglobal.com+1
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Mechanical life: 20,000 operational cycles chintglobal.com+1
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Electrical life:
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6,000 cycles when In ≤ 100 A chint.it+1
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4,000 cycles when In > 100 A chintglobal.com+1
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Altitude: up to ≤ 2,000 m (for rated performance) chintglobal.com
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Pollution degree: Level 3 chintglobal.com
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Protection degree (IP): e.g., IP20 for related variant (NXB-125G) cenika.no
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