| Product name: | DZ30 Two pole miniature circuit breaker | ||||||
| specification: | 3、6、10、16、20、25、32A | ![]() |
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| Category: | low-voltage electrical apparatus -- Miniature Circuit Breaker | ||||||
| Price: | factory price | ||||||
| Brand: | Shanghai | ||||||
| Place of Origin: | China | ||||||
| Available Quantity: | batch | ||||||
| delivery cycle: | Spot goods (or inquire by telephone) | ||||||
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Rated current In (A) |
polar number |
Rated voltage Un (V) |
Rated operating short-circuit breaking capacity Ics |
Types of instantaneous release devices | |
|
Breaking current (A) |
COSφ | ||||
|
3. 6, 10, 16 20. 25, 32 |
1+N |
220/380 |
four thousand and five hundred |
C |
0.75~0.8 |
3.2 Overcurrent tripping characteristics
The protection characteristics of the circuit breaker at a reference temperature of 30 ℃ to 35 ℃ are shown in the table below
|
serial number |
Rated current In (A) |
Initial state |
Test current (A) |
specified time |
expected effect |
Remarks |
|
one |
≤32 |
cold state |
1.13In |
t≥1h |
Do not release |
|
|
two |
≤32 |
hot state |
1.45In |
t<1h |
trip |
Immediately increase to the specified current within 5 seconds following item 1 |
|
three |
≤32 |
cold state |
2.55In |
Is |
trip |
|
|
four |
≤32 |
cold state |
5In |
t≥0.1s |
Do not release |
Close the auxiliary switch to connect the current |
|
five |
≤32 |
cold state |
10In |
t<0.1s |
trip |



DZ30 bipolar miniature circuit breaker