Chint | Circuit breaker RCBO, NB310L/3N, 3P+N, C20, 30mA, A, 6kA | NB310L3PN30MAA20C

Full Description

The Chint NB310L/3N RCBO is a 4-pole protection device that integrates MCB (Miniature Circuit Breaker) and RCCB (Residual Current Circuit Breaker) functions in a single unit. Rated at C20, with 30mA residual current sensitivity (Type A) and 6kA breaking capacity, it ensures reliable protection against overload, short circuits, and earth leakage faults.

Compact and easy to install, it is designed for use in residential, commercial, and industrial distribution boards. Its high-quality construction and compliance with IEC standards make it a trusted choice for safe and efficient electrical protection.

Specifications:

• Model: NB310L/3N RCBO
• Poles: 3P+N (4-pole)
• Rated Current: 20 A (C20 curve)
• Residual Current: 30 mA (Type A)
• Breaking Capacity: 6 kA
• Rated Voltage: 230/400 V AC
• Standards: IEC/EN 61009-1
• Dimensions (packaged): 95 × 77 × 85 mm
• Net Weight: 0.27 kg
• Gross Weight: 0.46 kg
• Installation: DIN rail mounted
• Manufacturer: Chint
• Warranty: 24 months

Key Benefits:

• Combines MCB + RCCB protection in one device
• 3P+N design for complete circuit protection
• Reliable overload, short-circuit, and earth leakage protection
• Type A RCD sensitivity for modern electronic loads
• Compact, easy to install, and IEC compliant