|

|
|
HYUNDAI
UCB800 Molded
Case Circuit Breaker (MCCB)
| Model |
UCB800 |
| Ampere frame
size |
800AF |
| Number of
poles (P) |
2, 3, 4 |
| Degree of
protection (with terminal cover) |
IP20 |
| Utilization
category |
A |
| Protection |
overload, inst.,
short-circuit |
| Rating |
Rated current (A) |
700, 800 |
| Rated insulation voltage [Ui] (V) |
AC690 |
| Rated operational voltage [Ue] (V) |
AC660 |
|
DC250 |
|
Rated impulse withstand voltage
[Uimp] (kV)
|
6 |
|
Rated
short-circuit
breaking capacity
IEC 60947-2
K 60947-2 |
Ultimate
[Icu]
(kA r.m.s.) |
Recognition code
for order
|
UCB800R |
UCB800S |
UCB800H |
UCB800L |
| AC600/660V, 50-60Hz |
25 |
25 |
35 |
35 |
| AC480/500V, 50-60Hz |
35 |
45 |
50 |
65 |
| AC440/460V, 50-60Hz |
35 |
50 |
65 |
85 |
| AC380/415V, 50-60Hz |
45 |
65 |
85 |
100 |
| AC220/240V, 50-60Hz |
50 |
100 |
100 |
125 |
| DC250V |
20 |
40 |
40 |
40 |
| DC125V |
30 |
50 |
50 |
60 |
| Service [Ics] |
% of [Icu] |
50 |
|
Trip
mechanism &
Protection
characteristics
|
Thermal
magnetic |
Fixed thermal,
Fixed
instantaneous
|
INST |
10×In |
|
Adjustable
thermal, Fixed
instantaneous
|
LTD |
(0.8-0.9-1)×In |
| INST |
10×In |
|
|