Customization: | Available |
---|---|
Breaking Capacity: | Low Voltage Circuit Breakers |
Operation: | Manual Type |
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
|
---|---|
Support payments in USD |
Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
3 . 1 The basic specifications and main
technical parameters of the circuit breaker are shown inTable 1 ; The overcurrent protection characteristics are shown in Table 2 .
Ui | 500V | |
Number of poles | 1P/2P | 3P/4P |
Rated trequency Hz | 50/60 | |
Rated voltage Ue | AC230V/400V | AC400V |
Rated Current ln | 1A,2A,3A,4A,6A,8A,10A,13A, 16A,25A,32A,40A,50A,63A | |
Thermo-magnetic release characteristic | B/C/D | |
Rated short circuit breaking capac1tylcn | 15kA |
Test | Test estcurrent |
Initial status | Time limit for tripping or not tripping |
Expected result | Testing env1ronment temperature |
Remarks | |
a | BCD | 1 . 13In | cold state | t≤1h | Not tripping | 30ºC~35ºC |
current lncrease steadily within 5s |
b | BCD | 1 .45In | Right after test number a | t<1h | Tripping | ||
c | BCD | 2 . 55 | cold state | 1s<t<60s (In≤32A) 1s<t<120s (In>32A) | Tripping | ||
d | BCD | 3In 5In 10In | cold state | t≤0. 1s | Not tripping | Turn on the power supply by closing the auxiliary switch |
|
e | BCD | 5In 10In 20In | cold state | t<0. 1s | Tripping | Turn on the power supply by closing the auxiliary switch |
Item | Times | Operation Frequency times/h | Rated current(A) |
Electrical life | 10000 | 240 | 1~32 |
120 | 40 ~63 | ||
Mechanical life | 20000 | 240 | 1~63 |
Rated current In A | conductor cross section S mm2 |
6 | 1 |
10 | 1 .5 |
16 ,20 | 2 .5 |
25 | 4 |
32 | 6 |
40 ,50 | 10 |
63 | 16 |