UL489 Miniature Circuit Breakers
Uncompromising safety and comfort
A UL 489 Miniature Circuit Breaker (MCB) provides branch circuit protection by automatically interrupting electrical circuits during overload or short circuit events, safeguarding wiring, connected devices, and equipment. ABB offers one of the most extensive ranges of UL 489 MCBs, including specialized ranges with interrupting ratings up to 50 kA.
Features and benefits
- Characteristics: C, K, and Z
- Configurations: 1P, 1P+N, 2P, 3P, 3P+N, 4P
- Breaking capacities up to 25 kA
- Rated currents up to 63A
- Real contact position indication, directly connected to the moving contact
- Extra-wide and complete range of MCBs to cover most applications and markets
- Compliance to worldwide product standards (IEC, UL, CSA)
- Space and time saving thanks to the unique bottom-fixing auxiliary contact
- Established and certified quality
Product range
Please scroll to the right to see more columns.
|
Series |
Trip curve |
Interrupting rating |
Voltage rating |
Current rating |
|
SU200M |
C, K, Z |
10 kA |
480Y/277 V AC |
0.2 to 63A |
|
SUP200M |
C, K, Z |
14 kA |
480Y/277 V AC |
1 to 40A (K:35) |
|
SU200MR |
K |
10 kA |
480Y/277 V AC |
0.2 to 63A |
|
S200UDC |
K, Z |
14 kA |
125/250 V DC |
0.2 to 63A |
|
SU200ML |
C, K, Z |
14 kA |
230 V AC |
0.2 to 63A |
|
S800U |
K, Z(B) |
30/50 kA |
240 V AC |
10 to 100A |
|
S800UP |
K |
50 kA |
480Y/277 V AC |
20 to 70A |
|
S804U-UCZ |
Z(K) |
10 kA |
600 V DC |
10 to 80A |