Magnetic Type Molded Case Circuit Breaker 125A 150A 175A 200A 225A
250A
The UKM30 series molded case circuit breaker is high-tech products
in 21st century with advanced design, high performance, pleasant
apprearance and delicate dimension.
Description:
UKM30 series molded case cicuit breaker is suitable for circuit AC
50Hz/60Hz, rated voltage up to AC660V, Rated operating current up
to 250A. It features normal structure reliable performance, high
breaking capacity, used for power distribution and protecting the
circuit and electrical equipment
against overload and short circuit. It complies with standard of
IEC 60947-2.
Specifications:
| Type | UKM30-250S | UKM30-400S | UKM30-630S |
| Rated current In(A) | 100,125,150,175,200,225,250 | 250,300,350,400 | 400,500,630 |
| Number of poles | 3 | 4 | 3 | 4 | 3 | 4 |
| Rated voltage Ui(V) | AC690V | AC690V | AC690V |
| Arc distance (mm) | ≤50 | ≤50 | ≤50 |
| Rated ultimate short-circuit breaking capitily Icu/Ics(KA) | AC690V | 5/3 | 10/10 | 10/10 |
| AC400V | 50/35 | 70/70 | 70/70 |
| AC230V | 100/50 | 100/100 | 100/100 |
| Operational performance (times) | ON | 2000 | 1000 | 500 |
| OFF | 7000 | 4000 | 2500 |
| Dimensions (mm) | a | 105 | 140 | 140 | 185 | 210 | 280 |
| b | 165 | 257 | 275 |
| c | 68 | 103 | 103 |
| Weight(kg) | 1.5 | 1.9 | 5.5 | 7.5 | 10.9 | 14.2 |
| Rated operation frequency | 120 | 60 | 20 |
Classification of MCCB:
1, Installation type of MCCB: MCCB are suitable for vertical or
horizontal installation.
2, According to use of MCCB: Distribution circuit protection type,
motor protection type;
3, According to connection way: Front panel connection, back panel
connection plug-in connection;
4, According to operation way: For direct handle operation for
external rotary handle operating, for motor operating;
5, According to overload release type: Magnetic release (only
instantaneous)
6, According to number of poles: Two poles, there poles, four
poles.
7, The neutral poles (N poles) of four poles MCCB has for types:
8, Type A: No overload release on N pole, which is making at the
time; Not closing and opening with the other three poles.
9, Type B: No overload release on N pole, which closing and opening
with the other three poles.
10, Type C: With overload release on N pole, which closing and
opening with the other three poles.
11, Type D: With overload release on N pole, which making all time;
Not closing and opening with the other three poles.
Benefits
1.Reduce energy and operations costs
2.Improve power quality, reliability and uptime
3.Optimize equipment use
Applications
1.Building: Hotels, hospitals, offices and retalis
2.Data center and Networks
3.Industry: Mining and minerals, automotive, food and beverage and
chemical industry
4.Energy and infrastructures: Airports, oil and gas, water,
electrical energy and marine
Curve: Overcurrent Protection
