GENERAL INFORMATION for BK63HU UL489 MCB |
Standard |
UL489, UL486E(Lug) |
Protection |
Overload, Short circuit |
Rated current |
1, 2, 3, 4, 5, 6, 8, 10 ,15, 16, 20 ,25, 30, 32, 40, 50, 63A |
Number of poles |
1P, 2P, 3P |
Rated short circuit capacity |
AC |
DC |
1P : 10kA@120/240VAC, 10kA@277VAC (1~25A) 10kA@120/240VAC(30~63A) 2P, 3P : 10kA@240VAC, 480Y/277VAC(1~25A) 10kA@240VAC(30~63A) |
1P : 10kA@60VDC 2P, 3P : 10kA@125VDC |
Rated frequency |
50/60 Hz |
Reference temperature |
40℃ |
Normal ambient temperature |
-5 ~ 40℃ |
Tripping curve |
B, C, D, K curve |
Trip type |
Thermal magnetic |
Type of terminals |
Terminal with stirrup(indirect pressure) |
Terminal size acceptability – Min/Max |
14 / 4AWG |
Tightening Torque |
3.9 Nm (35 Ibf-in) |
Installation |
Mounting on 35mm din rail |
Dimension of specimen (W×H×D) |
18×105×66 (1P) |
Protection degree |
IP20 |
Accessory |
AX-HU, AL-HU, SHT-HU, UVT-HU |
Relative humidity |
45~85%RH |
Electrical Endurance |
6,000 |
Maximum switching frequency (Time/h) |
360/h |
Approvals |
UL, CB, ABS |
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