Home > LV Circuit Breakers > UL 489 MCB
Overview
UL 489 MCB
LSIS UL489 MCB is available in...
. Pole : 1~3 Pole
. Rated current: 1~63A
. Breaking capacity: 10kA @120/240VAC
10kA @480Y/277VAC (1~25A)
Available accessories: AX, AL, SHT, UVT
Ratings and Specifications
|
Performance |
UL489 MCB |
|
Standard |
UL489, UL489E(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 Frequency |
50/60Hz |
|
SCCR |
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
|
|
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 |
|
Terminal Size |
14/4AWG |
|
Tightening Torque |
3.9 Nm (35 lbf-in) |
|
Installation |
Mounting on 35mm din rail |
|
Dimensions |
(WxHxD) |
|
Protection Degree |
IP20 |
|
Accessories |
AX-HU, AL-HU, SHT-HU, UVT-HU |
|
Relative Humidity |
45-85% RH |
|
Electrical Endurance |
6,000 |
|
Max Switching frequency (Time per hour) |
360 |
|
Approvals |
UL, CB, ABS
|
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