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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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