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Miniature Circuit Breaker (MCB)

   Products / Sigma / Miniature Circuit Breaker (MCB)


TECHNICAL DATA
Specification
:
IEC 898- 1995 / IS 8828- 1996
Current Rating
:
1 to 40 Amps.
Voltage Rating
:
As per standard can be operated at 230V or 240/415V AC
Breaking Capacity
:
1cn Ultimate breaking capacity (O-CO Cycle)
Rating (A) Type Breaking Cap. (A)
1 to 40 1,2,3,4 P 10000
No. of Operating Cycles (O-C)
:
50,000
Tripping Characteristics
:
B-Curve – The magnetic releases operate between 3 ln to 5 1n
C-Curve – The magnetic releases operate between 5 1n to 10 1n
Impulse withstand Voltage (Uimp.)
:
6KV
Weight (g.) Approx.
:
Type 1P 2P 3P 4P  
 
:
  120g 242g 365g 485g  
Tropicalization
:
Treatment 2 (Relative Humidity 99% at 25% C)
Rated Frequency
:
50Hz
Number of Poles
:
1, 1+N, 2, 3, 3+N
Mounting
:
Standard 35mm Din Rail
Housing
:
Fire Retardent glass fibre reinforced polyster
Reference Temperature
:
300C Can be Operated uoto +550C
Altitude
:
Upto 2000 meter above sea level
Power Loss Rating
:
6A 10A 16A 20A 25A 32A 40A
w
:
3.0 3.5 3.5 4.0 6.0 7.0 7.5
I P Category
:
IP 20
Energy Limiting Class
:
3
     
 

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