Home » B1B2C50-B1B 2P C curve 50A 500Vdc 10kA UL489 SC
NOARK

B1B2C50-B1B 2P C curve 50A 500Vdc 10kA UL489 SC

In stock - 6 items available
SKU: B1B2C50
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$96.37 CAD
Primary brand                                      NOARK
Main function                                       Miniature Circuit Breaker (MCB)
Product series / family name             Electrical protection > Circuit breakers > Miniature Circuit Breakers (MCBs)> UL489 > for DC applications
Sub-range name                                  B1B series
Functions                                             Miniature Circuit Breaker (MCB)
Design                                                  Thermal-Magnetic inverse time-delay over-current release type
"C" Tripping curve (thermal overload trip occurs at currents ranging from 9.6 to 14.4 x the nominal current)
Poles                                                     2-poles (2P)
Rated current                                       50A
Rated Voltage (DC)                             500Vdc
Rated impulse voltage (Uimp)            6 kV
Rated insulation voltage (Ui)              1000 V
Connection type                                  box lug connections
Tripping curve                                     C
Short circuit breaking rating              10kA
Mounting mode                                   DIN rail
Degree of protection                           IP20
Dimensions                                          H109.3mm x W35.6mm x D79mm H4.3" x W1.4" x D3.11"
Ambient air temperature for
operation		 -22°F...+167°F / -30°C...+75 °C
Climatic resistance                             At +68°F (+20°C) the relative humidity does not exceed 90%
At +104°F (+40°C) the relative humidity does not exceed 50% Altitude does not exceed 6561ft (2000m)
Electrical durability (with load)          (UL489) 1000 operations
(IEC) 1500 operations
Mechanical durability (at no load)     20000 operations
Order code / Manufacturer SKU         B1B2C50/1002618
Manufacturer product status             Commercialized
Equivalent to                                       1002618
Compliant with standard(s)                UL 489 SC
UL 489 (appendix SC) CE (IEC/EN 60947-2)
CCC (GB/T 14048.2)
Degree of pollution                             3
III
Benefits The B1B series circuit breakers‚ which comply with UL489 standard appendix SC‚ can be used for overcurrent protection of the main circuit.
The maximum voltage of the B1B series is DC 1000V‚ and it has a high breaking capacity of 10kA‚ making it the preferred product in the battery power industry.
- Miniature circuit breaker designed specifically for DC applications
- Breaking capacity of 10kA
- UL489 SC certification
- Box terminal connections




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