Wenzhou Laike Electric Co.,Ltd.
Summary
The DZ473-63 series miniature circuit breaker are suitable for overcurrent protection of building line facilities and similar purposes in AC 50/60Hz, rated voltage 230V/400V, rated current up to 63A circuits. They have isolation, overload, and short circuit protection functions, and can also be used for infrequent operation and switching of lines under normal circumstances.
Circuit breakers are suitable for various places such as industry, commerce, high-rise buildings, and residential buildings.
Standard:IEC/EN 60898-1,IEC/EN 60947-2
Selection
| Type | Test current | Tripping time | Expected result | Type | Test current | Tripping time | Expected resut |
| B,C,D | 1.13In | t≤1h(In≤63A | Not tripping | B | 3In | t≤0.1s | Not tripping |
| 1.13In | t≤2h(In>63A) | C | 5In | t≤0.1s | |||
| B,C,D | 1.45In | t<1h(In≤63A) | Tripping | D | 10In | t≤0.1s | |
| 1.45In | t<2h(In>63A) | B | 5In | t<0.1s | Tripping | ||
| B,C,D | 2.55In | 1s<t<60s(In≤32A) | Tripping | C | 0In | t<0.1s | |
| 2.55In | 1s<t<120s(In>32A) | D | 20In | <0.1s |
Curve
Technical data
| Type | Standard | IEC/EN 60898-1 | |
|
Electrical features |
Rated current In | A | 1,2,4,6,10,16,20,25,32,40,50,63 |
| Poles | P | 1,2,3,4 | |
| Rated voltage Ue | V | 230/400 | |
| Insulation voltage Ui | V | 500 | |
| Rated frequency | Hz | 50/60 | |
| Rated breaking capacity | A | 45,006,000 | |
| Rated impulse withstand voltage(1.2/50)Uimp | V | 4500(80A)/6000(1-63A) | |
| Dielectric test voltage at ind.Freq.for 1min | kV | 2 | |
| Pollution degree | 2 | ||
| Thermo-magnetic release characteristic | B,C,D | ||
|
Mechanical features |
Electrical life | t | 6000 |
| Mechanical life | t | 20000 | |
| Protection degree | IP20 | ||
|
Reference temperature for setting of thermal element |
℃ | 30 | |
|
Ambient temperature (with daily average≤35℃) |
℃ | -5~+40 | |
| Storage temperature | ℃ | -25~+70 | |
| Installation | Terminal connection type | Cable/Pin-type busbar | |
| Terminal size top/bottom for cable | mm² | 25 | |
| AWG | 18-3 | ||
| Terminal size top/bottom for busbar | mm² | 25 | |
| AWG | 18-3 | ||
| Tightening torque | N*m | 2 | |
| In-lbs | 18 | ||
| Mounting | On DIN rail EN 60715(35mm)by means of fast clip | ||
| Connection | From top or bottom |
Overall and mounting dimensions(mm)
