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

The CHINT NB310L/3N RCBO is a compact residual current circuit breaker with overcurrent protection, designed for three-phase applications. This 3P+N unit combines a C20 curve thermal-magnetic breaker with a 30mA Type A residual current device, offering reliable protection against both overloads, short circuits, and earth faults in residential and commercial electrical installations.

Key features

• Rated current: 20A (C-curve) for standard overcurrent and short-circuit protection
• Residual sensitivity: 30mA Type A, detecting AC and pulsating DC fault currents
• Breaking capacity: 6kA, suitable for most low-voltage distribution boards
• Pole configuration: 3P+N, protecting three phases and switching the neutral
• Compact dimensions: 95mm width, 85mm height, 77mm depth for space-saving installation
• Net weight: 0.27 kg, facilitating easy handling and mounting
• Manufacturer warranty: 24 months, ensuring long-term reliability