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Safety CMILE Series Residual Current Operating Circuit Breaker for Ground Fault Protection

The CMILE Series Residual Current Operating Circuit Breaker (RCCB) is a critical safety device designed to detect and interrupt ground faults, leakage currents, and electric shocks in electrical systems.
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Overview


With high sensitivity and fast response times, this breaker provides essential protection for personnel and equipment, complying with international safety standards for residential and industrial applications.


Features


High Sensitivity Detection: Detects residual currents as low as 10mA, tripping within 30ms to prevent electric shock hazards.

Dual Protection Functionality: Combines residual current protection with overload and short-circuit protection in a single device (RCBO models).

Arc-Fault Detection (Optional): Advanced models include AFDD (Arc-Fault Detection Device) functionality for enhanced fire safety.

Modular Design: Fits into standard DIN rail panels, with removable modules for easy installation and replacement.

IP20 Protection: Dust-protected and finger-safe terminals, suitable for indoor use in homes, offices, and light industrial environments.


Application


The CMILE Series is widely used in:

Residential Electrical Systems: Protects kitchen, bathroom, and outdoor circuits from leakage currents and electric shocks.

Commercial Buildings: Installed in offices, shops, and hotels to safeguard occupants and electronic equipment.

Industrial Machinery: Provides ground fault protection for portable tools, pumps, and low-voltage control circuits.

Renewable Energy Systems: Protects solar panel arrays and wind turbine control systems from leakage currents caused by insulation faults.


FAQ


Q: What is the difference between RCCB and RCBO?

A: RCCB only detects residual currents, while RCBO adds overload/short-circuit protection, offering comprehensive circuit safety.

Q: Can it be used in three-phase systems?

A: Yes, 2-pole, 3-pole, and 4-pole models are available for single-phase and three-phase applications.

Q: How often should the test button be pressed?

A: Monthly testing is recommended to ensure the breaker functions correctly, as per international safety guidelines.

Q: Does it comply with CE and UL standards?

A: Yes, all models meet CE EN 61008/61009 and UL 1699 standards, ensuring global compatibility.


Model number

InmA frame grade rated current

Rated current

Ue V Rated operating voltage

Number of poles

I△n mA Rated surplus operating current

I△no mA rated surplus inactive current

Icu ka Rared limit short-circuit breaking ability

Ics ka Rared operation short-circuit breaking ability

Mm Arcing distance

Mechanical life(second)

Electrical life(s)

CM1LE-100S

100

16.20.25.32.40.50.63.80.100

230

2

30.50.100.200.300.500

15.25.50.100.150.250

30

15

≤50

20000

8000

400

3.4

CM1LE-100H

100

16.20.25.32.40.50.63.80.100

230

2

30.50.100.200.300.500

15.25.50.100.150.250

50

25

8000

400

3.4

CM1LE-225S

225

100.125.160.180.200.225

400

2

30.50.100.200.300.500


15.25.50.100.150.250

30

15

2500

400

3.4

CM1LE-225H

225

100.125.160.180.200.225

400


2

30.50.100.200.300.500

15.25.50.100.150.250

50

25

2500

3.4

CM1LE-400S

400

225.250.315.350.400

400

3.4

50.100.200.300.500.1000

25.50.100.150.250.500

50

25

≤100

4000

1000

CM1LE-400H

400

225.250.315.350.400

400

3.4

50.100.200.300.500.1000

25.50.100.150.250.500

65

32.5

1000

CM1LE-630S

630

400.500.630

400

3.4

100.200.300.500.1000

50.100.150.250.500

50

25

1000

CM1LE-630H

630

400.500.630

400

3.4

100.200.300.500.1000

50.100.150.250.500

65

32.5

1000

CM1LE-800S

800

630.700.800

400

3

100.200.300.500.1000

50.100.150.250.500

50

25

2500

500

4

CM1LE-800H

800

630.700.800

400

3

100.200.300.500.1000

50.100.150.250.500

70

35

2500

500

4


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