nb1l-c06 chint rcbo 6a c curve 30ma 36mm 1 pole + neutral

Why Choose the Chint NB1L-C06 RCBO?

The Chint NB1L-C06 is a compact and reliable residual current operated circuit breaker with over-current protection (RCBO) designed for residential, commercial and light industrial electrical installations. As part of the Chint NB1L series, it combines earth leakage protection, overload protection and short-circuit protection within a single modular device.

Featuring a 1P+N configuration, this RCBO is suitable for single-phase circuits requiring comprehensive electrical protection. Its C curve tripping characteristic is designed for circuits with moderate inrush currents, while the 30 mA residual current sensitivity provides additional protection against electric shock and earth leakage faults.

With a rated current of 6 A, a rated voltage of 230 / 240 V AC and a short-circuit breaking capacity of 6 kA, the NB1L-C06 is ideal for lighting circuits, control circuits, auxiliary supplies and small inductive loads. Its compact DIN rail mounting design enables straightforward installation in consumer units and distribution boards.

Key Advantages

• Compact RCBO combining RCD and MCB protection.
• 6 A rated current for low-load final circuits.
• 30 mA residual current sensitivity for additional personal protection.
• C curve characteristic for circuits with moderate inrush currents.
• 6 kA short-circuit breaking capacity for dependable fault protection.
• Quick DIN rail installation in consumer units and distribution boards.

Key Features

• Chint NB1L series RCBO.
• 6 A rated current.
• 30 mA residual operating current.
• 1P+N configuration.
• C curve thermo-magnetic trip characteristic.
• Type AC residual current protection.
• 6 kA rated short-circuit capacity.
• DIN rail mounting for modular electrical installations.

Technical Specifications

• Manufacturer: Chint
• Series: NB1L
• Model: NB1L-C06
• Product type: Residual current operated circuit breaker with over-current protection (RCBO)
• Configuration: 1P+N
• Rated current: 6 A
• Residual operating current: 30 mA
• Residual current type: Type AC
• Tripping curve: C curve
• Rated voltage: 230 / 240 V AC
• Rated frequency: 50 / 60 Hz
• Rated short-circuit capacity: 6 kA
• Rated insulation voltage: 500 V
• Rated impulse withstand voltage: 4 kV
• Mounting type: 35 mm DIN rail
• Protection rating: IP20
• Operating temperature: approx. -25 to +40°C
• Standards: IEC / EN 61009-1

Combined Circuit and Earth Leakage Protection

The Chint NB1L-C06 combines the functions of a miniature circuit breaker and residual current device within one compact unit. It automatically disconnects the circuit during overloads, short circuits or earth leakage faults, helping protect both people and electrical installations.

Using an RCBO on individual circuits helps reduce unnecessary disruption, as faults are isolated to the affected circuit rather than disconnecting multiple circuits protected by a shared RCD.

Typical Applications

• Consumer units and distribution boards.
• Lighting circuits.
• Control circuits and auxiliary supplies.
• Residential electrical installations.
• Commercial buildings.
• Small inductive loads and low-load final circuits.

Trusted by Electrical Installers Worldwide

Chint NB1L RCBOs are widely used by electricians, panel builders and maintenance engineers to provide dependable combined over-current and residual current protection across residential and commercial installations.