Chint NXB-63 4P C25 Miniature Circuit Breaker – 25A, 6kA Breaking Capacity, Type C Curve, 4 Pole MCB for Complete Three-Phase + Neutral Protection

Product Code: NXB-63-4P-C25
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 4 Pole (4P)
Rated Current: 25 Amperes (25A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Mounting Type: DIN Rail

Product Overview

The Chint NXB-63 4P C25 MCB is a reliable four-pole circuit breaker designed to provide overload and short-circuit protection in three-phase systems with a neutral line. Rated at 25A, this breaker is ideal for medium-duty loads, including HVAC systems, distribution panels, and industrial circuits requiring full phase and neutral isolation.

With a Type C tripping curve, it handles moderate inrush currents from inductive loads, and the 6kA breaking capacity ensures reliable performance in fault scenarios.

Key Features

• 🔋 25A Rated Current – Ideal for medium-load balanced 3-phase + N applications

• ⚡ 6kA Short-Circuit Protection – Protects wiring and equipment during overloads or faults

• 🔄 Type C Tripping Curve – Handles moderate surges from motors, compressors, etc.

• 🔌 4 Pole Isolation – Simultaneous protection of L1, L2, L3, and Neutral conductors

• 🧲 DIN Rail Mounting – Fast installation in control panels and distribution boards

• ✅ IEC/EN 60898-1 Certified – Compliant with global safety and performance standards

Technical Specifications

Typical Applications

• Three-phase distribution boards with neutral

• Medium-load HVAC and motor protection

• Industrial and commercial sub-panels

• Control systems requiring complete isolation

• Panel boards in production facilities or commercial buildings

Why Choose Chint NXB-63 4P C25?

The Chint NXB-63 4P C25 MCB combines strong circuit protection, full-phase + neutral disconnection, and Chint’s trusted durability, making it ideal for electricians and panel builders who prioritize safety and reliability in moderate-load installations.