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AL51 Residual Current Circuit Breaker

AL51 Earth Leak Circuit Breaker (ELCB)

1. Applications of Earth Leak Circuit Breaker
The Earth Leak Circuit Breaker is a residual current device for providingisolation function, switching and earth leak protection of electrical circuits.
They have a residual current operated electromechanical release which operateswithout any auxiliary source of supply to open a circuit automatically in caseof an earth le-akage fault between phase and earthgreater than or equal to a threshold of 10mA,30mA,100mA,300mA or 500mA.
2. Parameters of Earth Leak Circuit Breaker:

Standard	BS4293; 1983 or CEE27
Current reted	l6A to 100A
2 poles	240V
Minimum voltage	102V AC
maximum voltage	26-4V AC
4 poles	415V
Minimum voltage(ph/N)	102V AC
Maxi mum Voltage(ph/N)	415V AC

3. The residual to the breaking time in case of under linevalue

IN(A)	In(A)	In(A)	In(A)	In(A)	500
25,40,63	0.03,0.1,0.3	0.3 time	0.15	0.04	0.4 Max breaking

4. Mechanical and Electrical Life of EarthLeak Circuit Breaker:

In(A)	Running operation cycles ON operation cycles	OFF operation Cycles	Operation frequency (time/hour)
25	4000	10000	240
4063	4000	10000	120

4. Outline and installation dimensions ofEarth Leak Circuit Breaker:Soundquality electronic components, our miniature circuit breaker, earth leakagecircuit breaker, AC contactor, Power relay, etc. can exceed customersexpectation.

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