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Chint NXB-63 3P C40 Miniature Circuit Breaker – 40A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for High-Load Three-Phase Circuit Protection
Chint NXB-63 3P C40 Miniature Circuit Breaker – 40A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for High-Load Three-Phase Circuit Protection
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Chint NXB-63 3P C40 Miniature Circuit Breaker – 40A, 6kA Breaking Capacity, Type C Curve, 3 Pole MCB for High-Load Three-Phase Circuit Protection
Product Code: NXB-63-3P-C40
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 3 Pole (3P)
Rated Current: 40 Amperes (40A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Mounting Type: DIN Rail
Product Overview
The Chint NXB-63 3P C40 MCB is a three-phase miniature circuit breaker designed for protecting high-load circuits in industrial and commercial installations. With a 40A current rating and Type C tripping curve, it is suited for equipment with moderate inrush current, such as compressors, pumps, and large lighting banks.
Rated at 6kA breaking capacity, this breaker ensures safe and rapid disconnection during short circuits or overloads, safeguarding equipment and minimizing downtime.
Key Features
-
🔋 40A Rated Current – Suitable for heavy-duty three-phase equipment and submain protection
-
⚡ 6kA Short-Circuit Breaking Capacity – Effectively handles electrical faults to prevent damage
-
🔄 Type C Tripping Curve – Ideal for circuits with inductive loads or moderate surge current
-
🔌 3 Pole Design (3P) – Simultaneous interruption of all three phases for total protection
-
🧲 DIN Rail Mounting – Streamlined installation in industrial and commercial panel boards
-
✅ Conforms to IEC/EN 60898-1 – Assures safety, performance, and international compliance
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-63 |
| Rated Current (In) | 40A |
| Voltage Rating (Ue) | 400V AC |
| Number of Poles | 3P |
| Tripping Curve | Type C |
| Breaking Capacity | 6kA |
| Frequency | 50/60 Hz |
| Mounting Type | DIN Rail |
| Operating Temperature | -5°C to +40°C |
| Standard Compliance | IEC/EN 60898-1 |
Typical Applications
-
Industrial machinery and three-phase pumps
-
HVAC systems and air handling units
-
Sub-distribution in large commercial buildings
-
Motor control centers and power panels
-
Balanced load protection in factory floors
Why Choose Chint NXB-63 3P C40?
Built for heavy-duty reliability, the NXB-63 3P C40 delivers robust three-phase protection in a compact and compliant package. Whether installed in a factory, commercial facility, or workshop, it ensures dependable operation, safety, and long-term performance — backed by the trusted Chint quality guarantee.
Product Code: NXB-63-3P-C40
Brand: Chint
Product Type: Miniature Circuit Breaker (MCB)
Pole Configuration: 3 Pole (3P)
Rated Current: 40 Amperes (40A)
Tripping Curve: Type C
Breaking Capacity: 6kA
Compliance Standard: IEC/EN 60898-1
Mounting Type: DIN Rail
Product Overview
The Chint NXB-63 3P C40 MCB is a three-phase miniature circuit breaker designed for protecting high-load circuits in industrial and commercial installations. With a 40A current rating and Type C tripping curve, it is suited for equipment with moderate inrush current, such as compressors, pumps, and large lighting banks.
Rated at 6kA breaking capacity, this breaker ensures safe and rapid disconnection during short circuits or overloads, safeguarding equipment and minimizing downtime.
Key Features
-
🔋 40A Rated Current – Suitable for heavy-duty three-phase equipment and submain protection
-
⚡ 6kA Short-Circuit Breaking Capacity – Effectively handles electrical faults to prevent damage
-
🔄 Type C Tripping Curve – Ideal for circuits with inductive loads or moderate surge current
-
🔌 3 Pole Design (3P) – Simultaneous interruption of all three phases for total protection
-
🧲 DIN Rail Mounting – Streamlined installation in industrial and commercial panel boards
-
✅ Conforms to IEC/EN 60898-1 – Assures safety, performance, and international compliance
Technical Specifications
| Specification | Details |
|---|---|
| Brand | Chint |
| Series | NXB-63 |
| Rated Current (In) | 40A |
| Voltage Rating (Ue) | 400V AC |
| Number of Poles | 3P |
| Tripping Curve | Type C |
| Breaking Capacity | 6kA |
| Frequency | 50/60 Hz |
| Mounting Type | DIN Rail |
| Operating Temperature | -5°C to +40°C |
| Standard Compliance | IEC/EN 60898-1 |
Typical Applications
-
Industrial machinery and three-phase pumps
-
HVAC systems and air handling units
-
Sub-distribution in large commercial buildings
-
Motor control centers and power panels
-
Balanced load protection in factory floors
Why Choose Chint NXB-63 3P C40?
Built for heavy-duty reliability, the NXB-63 3P C40 delivers robust three-phase protection in a compact and compliant package. Whether installed in a factory, commercial facility, or workshop, it ensures dependable operation, safety, and long-term performance — backed by the trusted Chint quality guarantee.
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