Chint NXB-125 4P C125 Miniature Circuit Breaker – 125A, 10kA Breaking Capacity, Type C Curve, 4 Pole MCB for Maximum Load Three-Phase + Neutral Protection

Product Code: NXB-125-4P-C125
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 4 Pole (4P)
Rated Current: 125 Amperes (125A)
Tripping Curve: Type C
Breaking Capacity: 10kA
Compliance Standard: IEC/EN 60947-2
Mounting Type: DIN Rail

Product Overview

The Chint NXB-125 4P C125 MCB is the top-tier solution in the NXB-125 4-pole range, providing full-phase and neutral protection for high-capacity three-phase systems. With a rated current of 125A, this breaker is specifically designed for industrial panels, main incomer protection, motor-heavy circuits, and infrastructure-level electrical installations.

The Type C tripping characteristic is well-suited for loads with moderate startup surges, such as motors and compressors. Its 10kA short-circuit breaking capacity ensures reliable fault interruption under high-stress conditions.

Key Features

• 🔋 125A High Current Rating – Ideal for large-scale industrial and commercial loads

• ⚡ 10kA Breaking Capacity – High fault protection for critical infrastructure

• 🔄 Type C Curve – Handles moderate inrush currents from motorized loads

• 🔌 4 Pole Isolation (L1, L2, L3, N) – Complete disconnection including neutral conductor

• 🧲 DIN Rail Mounting – Quick, secure installation in standard distribution enclosures

• ✅ Compliant with IEC/EN 60947-2 – Ensures global safety and quality assurance

Technical Specifications

Typical Applications

• Industrial main switchboards

• Generator and UPS output breakers

• Commercial HVAC and building power systems

• Pumping and motor-driven equipment panels

• Large distribution boards requiring neutral isolation

Why Choose Chint NXB-125 4P C125?

For heavy-duty, high-risk environments, the NXB-125 4P C125 MCB provides maximum protection and performance. Its full-pole isolation, Type C tripping response, and industrial-grade fault capacity make it a trusted solution for engineers, contractors, and facility managers working on mission-critical systems.