Scope of Application
DZ30-32 series miniature circuit breakers (hereinafter referred to as circuit breakers) are mainly used in protective distribution lines with AC 50Hz or 60Hz, rated voltage 230V, rated current up to 32A, and rated short-circuit breaking capacity not exceeding 4500A. They are used for infrequent connection, disconnection, and conversion of the line, and have overload and short-circuit protection functions. Waiting for protection function.
Execution standard: GB10963.1
Model and meaning

Main technical parameters
1. Circuit breakers are divided into 1P+N according to the number of poles
2. Circuit breakers are classified according to the form of instantaneous tripping current: Type C;
3. The rated currents of circuit breakers are: 6A, 10A, 16A, 20A, 25A, and 32A;
4. The rated voltage of the circuit breaker is 230V;
5. Overcurrent tripping characteristics: The overcurrent tripping characteristics of the circuit breaker under normal installation conditions and reference ambient temperature+30 ℃ comply with the provisions in the table below.
Main technical indicators
serial number | Release type | Rated current In | Test current A | tripping time | expected result | Initial state |
one | C | All values | 1.13In | t≤1h | Do not release | cold state |
two | C | All values | 1.45In | t<1h | trip | Hot state |
three | C | All values | 2.55In | 1s<t<60s | trip | cold state |
four | C | All values | 5In | t≤0.1s | Do not release | cold state |
five | C | All values | 10In | t<0.1s | trip | cold state |
Release type | Rated current In | Rated short-circuit analysis capability A | cos |
C | 6≤In≤32 | four thousand and five hundred | 0.75~0.80 |
Appearance and installation dimensions

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