# Chint NXHB-125 High Breaking Capacity MCB – 10kA 125A Circuit Breaker
## Product Overview
**Brand:** CHINT
**Model:** NXHB-125
**Type:** High Breaking Capacity Miniature Circuit Breaker (MCB)
**Breaking Capacity:** 10kA
**Maximum Current:** 125A
**Standard:** IEC/EN 60947-2, GB 14048.2
## Technical Specifications
| Parameter | Specification |
|———–|————–|
| **Rated Current** | 63A, 80A, 100A, 125A |
| **Poles** | 1P, 2P, 3P, 4P |
| **Rated Voltage** | 230V/400V AC |
| **Rated Frequency** | 50/60Hz |
| **Breaking Capacity** | 10kA |
| **Trip Curves** | C, D |
| **Mechanical Life** | 20,000 operations |
| **Electrical Life** | 8,000 operations |
| **Mounting** | DIN Rail 35mm |
| **Connection** | Tunnel type terminal |
## Features
✅ **High Current Rating** – Up to 125A for heavy loads
✅ **10kA Breaking Capacity** – Enhanced safety for industrial use
✅ **Wide Voltage Range** – Suitable for 230V/400V systems
✅ **Reliable Isolation** – Positive contact indication
✅ **Easy Installation** – Standard 35mm DIN rail mounting
✅ **High Performance** – Designed for demanding applications
## Applications
– Industrial power distribution
– Commercial building main distribution
– High-power equipment protection
– Motor control circuits
– Transformer protection
– Distribution board installations
– Heavy machinery circuits
## Product Range
| Model | Description |
|——-|————-|
| NXHB-125 1P | 1 Pole, 63A-125A |
| NXHB-125 2P | 2 Pole, 63A-125A |
| NXHB-125 3P | 3 Pole, 63A-125A |
| NXHB-125 4P | 4 Pole, 63A-125A |
## Dimensions & Mounting
– **Mounting:** 35mm DIN rail (IEC 60715)
– **Terminal Capacity:** Up to 50mm² cable
– **Tightening Torque:** 3.5 N·m
## Certifications & Standards
– CE Certified
– IEC 60947-2 Compliant
– GB 14048.2 Compliant
– RoHS Compliant
## Why Choose Chint NXHB-125?
– **Industrial Grade:** Designed for heavy-duty applications
– **High Breaking Capacity:** 10kA ensures safety in fault conditions
– **Wide Current Range:** Covers 63A to 125A requirements
– **Reliable Brand:** CHINT is a leading global electrical manufacturer
– **Authorized Distributor:** Genuine products from Shanghai Newtrend Electric
## Ordering Information
**Available from stock:**
– All pole configurations
– Multiple current ratings
– C and D curve options
Contact us for:
– Project pricing
– Technical specifications
– Delivery schedules
– Custom requirements
[Request a Quote](#)
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**Keywords:** Chint NXHB-125, High Breaking Capacity MCB, 10kA 125A Circuit Breaker, Industrial MCB, DIN Rail Breaker, CHINT Circuit Protection, IEC 60947-2
