1、 There are single phase and three phase circuit breakers, used for single and three phase transformers. Circuit breaker are installed on the secondary winding of the transformer,are used for over load protection and short circuit protection. Circuit breaker are mainly used for transformer protection.
2、 Specification and model
---------single phase circuit breaker ------------
型号
|
额定电流
|
容量及电压
|
报警灯
|
应急手柄功能
|
电磁保护功能
|
电阻(25度)
|
损耗(85度)
|
曲线
|
model
|
Rated current
|
size
|
voltage
|
Alarm lamp
|
Emergency
|
Magnetic protection
|
Resistance(25degree) 2poles
|
Loss(W)
85degree 2poles
|
curve
|
2P42TXXX
|
42A
|
10KVA
|
240V
|
有yes
|
有yes
|
无No
|
1300uΩ
|
3
|
后附曲线图attached
|
|
|
2P63TXXX
|
63A
|
15KVA
|
240V
|
有yes
|
有yes
|
无No
|
1100uΩ
|
5.5
|
|
|
2P105TXXX
|
105A
|
25KVA
|
240V
|
有yes
|
有yes
|
无No
|
900uΩ
|
12
|
50KVA
|
480V
|
2P157TXXX
|
157A
|
37.5KVA
|
240V
|
有yes
|
有yes
|
有yes
|
800uΩ
|
24
|
75KVA
|
480V
|
2P210TXXX
|
210A
|
50KVA
|
240V
|
有yes
|
有yes
|
有yes
|
700uΩ
|
37.5
|
100KVA
|
480V
|
2P313TXXX
|
313A
|
75KVA
|
240V
|
有yes
|
有yes
|
有yes
|
500uΩ
|
60
|
150KVA
|
480V
|
2P417TXXX
|
417A
|
100KVA
|
240V
|
有yes
|
有yes
|
有yes
|
470uΩ
|
99
|
200KVA
|
480V
|
----------- Three phase circuit breaker ------------
型号
|
额定电流
|
容量及电压
|
报警灯
|
应急手柄功能
|
电磁保护功能
|
电阻(25度)
|
损耗(85度)
|
曲线
|
model
|
Rated current
|
size
|
voltage
|
Alarm lamp
|
Emergency
|
Magnetic protection
|
Resistance(25degree) 3poles
|
Loss(W)
85degree 3poles
|
curve
|
3P63TXXX
|
63A
|
45KVA
|
400V
|
有yes
|
有yes
|
无No
|
1650uΩ
|
8.25
|
后附曲线图attached
|
50KVA
|
433V
|
3P105TXXX
|
105A
|
75KVA
|
400V
|
有yes
|
有yes
|
无No/有yes
|
1350uΩ
|
18
|
75KVA
|
433V
|
3P157TXXX
|
157A
|
100KVA
|
400V
|
有yes
|
有yes
|
有yes
|
1200uΩ
|
36
|
112.5KVA
|
433V
|
3P210TXXX
|
210A
|
150KVA
|
400V
|
有yes
|
有yes
|
有yes
|
1050uΩ
|
56.5
|
150KVA
|
433V
|
3P313TXXX
|
313A
|
200KVA
|
400V
|
有yes
|
有yes
|
有yes
|
750uΩ
|
90
|
225KVA
|
433V
|
3P417TXXX
|
417A
|
300KVA
|
400V
|
有yes
|
有yes
|
有yes
|
705uΩ
|
149
|
300KVA
|
433V
|
Note:3P42TXX (“3P” means 3 poles,”42” means rated current,”TXXX” means trip temperature,for example “T120” means the trip temperature is 120degree. Temperature can be set from 100 to 150 degree,with +/-10% tolerance. And there are +10% tolerance for resistance and losses.
3、
Electrical specification for CSP oil type circuit breaker
***大使用电压
|
1分钟工频耐压水平
|
雷电冲击能力
|
绝缘电阻
|
额定开断能力
|
Max Voltage
|
Power frequency test (one minute)
|
Lightening impulse test
|
Insulation resistance
(5000V)
|
Normal interrupting capacity
|
600V
|
大于≥10KV
|
30KV
|
大于≥5000兆欧
|
11KA~25KA
|
4、interrupting capacity
型号Model
|
2P42TXXX
|
2P63TXXX
|
2P105TXXX
|
2P157TXXX
|
2P210TXXX
|
2P313TXXX
|
2P417TXXX
|
额定电流current
|
42A
|
63A
|
105A
|
157A
|
210A
|
313A
|
417A
|
开断能力
interrupting capacity
|
4KA
|
4KA
|
11KA
|
11KA
|
11KA
|
16KA
|
20KA
|