Technical Specification
1. Rated Current: 315A – 1250A
Main busbar or MCCB incoming cable (higher current rating is available on request)
MCCB outgoing cable: 15A – 350A
2. Rated Operating Voltage: 440V 50/60Hz
3. Pole: 1,2,3,4
Is tested in accordance with ASTA requirement; written assurance of short-circuit verification is appended
4. 50kA rated fused short-circuit current: 50kA/sec
5. Dielectric Power Frequency Test: 2500V for 60s
6. Degree of Protection: Standard production is IP30 in accordance with BS5420 and IEC144 requirement. The enclosure can be built to IP41, IP44 and IP54 according to customer requirement.
7. Operating Condition: Keiyip MCCB board is suitable to operate in room temperature –5 to 45 degree Celsius, and relative humidity is lower than 99.5%
8. Cubicle: high-quality Zinc-electrogalvanized steel plates, and is finished with flint grey epoxy powder or other alternative colours upon request
9. Busbar: All main busbar provided are hard drawn with high conductivity & electro tin-plated copper to BS1432 Standard.
10. Frame: The basic modular frames are made from glass fiber reinforced polyester. It is:
w High collision resistance
w Abnormal resistance has no effect on arch distance
w Excellence size stability
w High protection against ingress of liquids
w High thermo resistance
Features:
w Ascribe to the special design, Keiyip model 1250 MCCB is compliant with MG, Fujitsu, UNELEC, ABB, Siemens, Hitachi, Terasaki and Mitsubishi MCCB.
w To maximize the protection for user, all busbars are covered and separated.
w Small mold design is easy to install.
w The axis cover on the top and the bottom can be removed in facilitate to connect cable and use afterward.
w This series is in compliance with BSEN 60439-1, GB7251:1 and IEC60439-1 standard.



