Universal Automatic Frame Circuit Breaker
1. General Introduction
ZYW1 series universal circuit breaker (hereinafter referred to as circuit breaker) is suitable for distribution networks with AC 50Hz, 60Hz, rated working voltages AC400V, AC690V, and rated working currents up to 6300A and below; Used to distribute electrical energy and protect circuits and power equipment from overload, undervoltage, short circuit, single-phase grounding and other faults. This circuit breaker has intelligent protection function, precise selective protection, can improve power supply reliability, and avoid necessary power outages.
This circuit breaker can be widely used in power stations, factories, mines, and modern high-rise buildings, especially in the distribution system of intelligent buildings. This circuit breaker complies with IEC60947-2 and GB14048.2 standards and has passed CB, KEMA, and 3C certifications.
There are fixed type and withdrawable type available. They can be manually operated and electrically control.
 |
 |
 |
 |
|
Structure of Operation Mechanism |
EX-factory Testing |
 |
 |
Depart of Operation Mechanism
2. Major Technical Data
|
Frame current (A) |
2000 |
3200 |
4000 |
6300 |
||||
|
Breaking grade |
regular |
H |
regular |
H |
regular |
H |
|
|
|
Rated limiting breaking current Icu (kA) |
AC400V |
85 |
90 |
100 |
100 |
100 |
100 |
120 |
|
AC690V |
50 |
70 |
65 |
65 |
75 |
75 |
85 |
|
|
Rated operating short-circuit breaking current Ics (kA) |
AC400V |
70 |
90 |
80 |
100 |
80 |
100 |
100 |
|
AC690V |
40 |
70 |
50 |
65 |
60 |
75 |
70 |
|
|
Rated short-time withstand current Icw (kA)/1s |
AC400V |
70 |
75 |
80 |
80 |
80 |
80 |
85 |
|
AC690V |
40 |
65 |
50 |
55 |
65 |
65 |
75 |
|
|
Electrical lifespan (times) |
AC400V |
8000 |
8000 |
8000 |
8000 |
|||
|
AC690V |
5000 |
5000 |
5000 |
5000 |
||||
|
Mechanical lifespan (times) |
No maintenance |
15000 |
10000 |
10000 |
8000 |
|||
|
maintenance |
30000 |
20000 |
20000 |
15000 |
||||
|
Frame current (A) |
2000 |
3200 |
4000 |
6300 |
|
Rated working voltage Ue (V) |
AC 400V/690V |
|||
|
Rated insulation voltage Ui (V) |
1000V |
|||
|
Rated impulse withstand voltage (kV) |
12kV |
|||
|
Frequency (Hz) |
50/60 |
|||
|
Number of Poles |
3P/4P |
|||
|
Maximum lasting current of N pole (A) |
100% In |
50% In |
||
|
Completely breaking time |
<=30ms |
|||
|
Closing time |
<=70ms |
|||
|
Flash distance |
0 |
|||
|
Rated current In (A) |
400A/630/800/1000/1250/1600/2000 |
2000/2500/2900/3200 |
4000 |
4000/4900/5000/5900/6300 |
For further technical details, please inquire with our sales managers.
3. Dimensional Drawings
2000A Frame Circuit Breaker - fixed type
3200A Frame Circuit Breaker - fixed type
2000A Frame Circuit Breaker - withdrawable type
3200A Frame Circuit Breaker - withdrawable type
4000A Frame Circuit Breaker 3P - withdrawable type
4000A Frame Circuit Breaker 4P - withdrawable type
6300A Frame Circuit Breaker (In=4000A~5000A) - withdrawable type
6300A Frame Circuit Breaker (In=6300A) - withdrawable type
