Chint NXBLE-40 RCBO

Name: Chint NXBLE-40 RCBO
Brand: CHINT
SKU: 1600084235094

Chint NXBLE-40 RCBO

Rated Frequency:50/60hz
Type:Residual Current
Brand Name:Chint
Place of Origin:China
Model Number:NXBLE-40
Breaking Capacity:6kA
Poles Number:Twin

Poles

Rated Current

Tripping Curve

Residual Current

Rated Voltage

SKU: 1600084235094 Category: Chint RCCB RCBO

Description

Chint original NXBLE-40 1P+N DPNL RCBO C6 C10 C16 C20 C25 C32 C40 CHNT Residual Current Operated Circuit Breaker

Chint NXBLE-40 Residual current operated circuit breaker (RCBO)

1. Compliant standards: IEC61009-1
2. Compliant certification: CE

3. Major function: Overload protection, short circuit protection, isolation, residual current operation

4. Technical parameters

Rated current: 6A, 10A, 16A, 20A, 25A, 32A, 40A;
Rated residual operating current: 0.01A, 0.03A;
Rated voltage: 240V ~ ;
Frequency: 50Hz;
Electromagnetic release type: C, D;
Number of poles: 1P+N;
Mechanical life: 20000 cycles;
Electrical life: 10000 cycles;
Rated short-circuit breaking capacity(Icu): 4500A;
Short-circuit breaking capacity(Ics): 4500A;
Rated impulse withstand voltage(Uimp): 4kV.

Additional information

Weight	2 kg
Dimensions	25 × 25 × 25 cm
Rated Current	25A, 10A, 16A, 32A, 6A, 40A
Rated Voltage	240V
Poles	1P+N
Residual Current	30mA, 100mA, 300mA
Tripping Curve	B, C, D

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for Chint NXBLE-40 RCBO.

📥

Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.

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2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.

Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Voltage & Load Sizing

How to verify rated operational voltage, frequency, and load duty cycle?

Verify that the nominal line voltage (AC 230V single-phase or 400V/415V/690V three-phase at 50/60Hz, or DC voltage ratings) falls within the continuous maximum operating limits of the device. Check duty cycle ratings (continuous vs intermittent duty) to ensure thermal stability under full load.

Protection & Environment

What ingress protection (IP Rating) and environmental enclosures are recommended?

For clean indoor electrical rooms, standard IP20 modular DIN-rail housings are recommended. For outdoor, industrial washdown, or dusty environments, mount components inside weatherproof enclosures rated IP65/IP66 with UV-resistant polycarbonate or powder-coated steel enclosures equipped with compression cable glands.

Selectivity & Grading

How to ensure upstream and downstream coordination in power distribution boards?

Ensure proper discrimination by grading current thresholds and tripping time delays: upstream devices should have higher current ratings and intentional short-time delays (Class S), allowing downstream branch MCBs to clear localized faults without blacking out the entire facility.

Installation & Mounting

What mounting rails, busbars, and spatial clearances are required?

Components mount on standard symmetrical 35mm DIN rail (EN 60715 / TH35-7.5) or backplate screw fixings. Maintain recommended top/bottom ventilation gaps (typically 30–50mm) to ensure unrestricted air convection, and use standard pin/fork comb busbars to minimize contact resistance and wiring errors.

Conductor & Torque Sizing

What conductor sizes and terminal tightening torques should be applied?

Select copper or aluminum conductor cross-sections complying with IEC 60364-5-52 current-carrying capacity tables based on continuous load. Always use a calibrated torque screwdriver or torque wrench to tighten terminal screws to the manufacturer-specified torque to prevent hot-spot degradation and loose connections.