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Chint NB1L-2P-B32 RCBO – 2P – B Curve – 32A – 30mA – 10kA
CHINT NB1L-2P-B32 RCBO with 32 A rated current, B curve, 30 mA residual current protection and 10 kA breaking capacity for residential and commercial electrical installations.
Why Choose the CHINT NB1L-2P-B32 RCBO?
The CHINT NB1L-2P-B32 is a high-quality 2-pole Residual Current Operated Circuit Breaker with Overcurrent Protection (RCBO) that combines overload, short-circuit and earth leakage protection within a single compact device. Designed in accordance with IEC/EN 61009-1, it provides reliable protection for residential, commercial and light industrial electrical installations.
Featuring a 32 A rated current, a B tripping characteristic and a 30 mA residual operating current, the NB1L-2P-B32 offers excellent protection for final circuits supplying sockets, lighting and general-purpose electrical equipment. The integrated RCBO design saves valuable DIN rail space while simplifying installation compared to separate MCB and RCD devices.
With a 10 kA short-circuit breaking capacity, fast earth leakage protection and compact DIN rail mounting, the CHINT NB1L-2P-B32 delivers dependable electrical safety for modern distribution boards and consumer units.
Key Advantages
- Combined RCBO protection against overload, short-circuit and earth leakage.
- 32 A rated current for power and final circuits.
- B curve tripping characteristic for general electrical loads.
- 30 mA residual current protection for additional personal safety.
- 10 kA breaking capacity for dependable fault protection.
- Compact DIN rail design saves valuable panel space.
Key Features
- CHINT NB1L RCBO series.
- 32 A rated current.
- 2-pole configuration.
- B tripping characteristic.
- 30 mA residual operating current (IΔn).
- 10 kA short-circuit breaking capacity.
- Thermal and magnetic overcurrent protection.
- DIN rail mounting with top or bottom cable connection.
Complete Circuit and Earth Leakage Protection
The CHINT NB1L-2P-B32 combines the functions of a miniature circuit breaker and residual current device into one compact unit. This provides comprehensive protection against overloads, short circuits and earth leakage faults whilst reducing installation space and simplifying wiring.
Its B characteristic makes it particularly suitable for domestic, commercial and light industrial circuits supplying lighting, socket outlets and other general electrical loads where reliable protection and fast fault disconnection are required.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Lighting circuits.
- Socket outlet circuits.
- Small commercial electrical installations.
- General low-voltage power distribution.
Technical Specifications
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| Current | 32 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | RCBO | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Residual Current | 30 mA | |
| Manufacturer | CHINT | |
| Series | NB1L | |
| Model | NB1L-2P-B32 | |
| Product type | RCBO | |
| Rated current | 32 A | |
| Number of poles | 2 | |
| Tripping characteristic | B | |
| Rated voltage | 230 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated residual operating current | 30 mA | |
| Rated short-circuit breaking capacity | 10 kA | |
| Impulse withstand voltage | 6 kV | |
| Insulation voltage | 500 V | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Dimensions (H × W × D) | approx. 86 × 54 × 78 mm |
Frequently Asked Questions
What is the CHINT NB1L-2P-B32 used for?
It protects electrical circuits against overloads, short circuits and earth leakage faults using a single compact RCBO device.
What does the B curve characteristic mean?
The B characteristic is intended for general-purpose circuits supplying lighting, sockets and resistive loads where normal inrush currents are relatively low.
What residual current protection does this RCBO provide?
This model provides 30 mA residual current protection for enhanced personal safety against electric shock.
What is the breaking capacity?
The NB1L-2P-B32 provides a rated short-circuit breaking capacity of 10 kA.
Where is this RCBO typically installed?
It is designed for DIN rail installation inside consumer units and distribution boards for residential, commercial and light industrial electrical systems.
Trusted by Electrical Professionals Worldwide
CHINT NB1L RCBOs are trusted by electricians and panel builders for providing reliable overload, short-circuit and earth leakage protection in modern low-voltage electrical installations.
