| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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| Model | SRM3DC - 630Z |
| Rated current of frame grade Inm (A) | 630 |
| Pole number (P) | 2 |
| Rated working voltage Ue (V) | DC250/500,DC750/1000,DC1250/1500,DC2000 |
| Rated insulation voltage Ui (V) | DC2000 |
| Rated Current In (A) | 250A,315A,320A,350A,400A,500A,630A |
| Rated impulse withstand voltage Uimp (kV) | 12 |
| Power frequency withstand voltage U (t 1 minute)(V) | 4000 |
| Extreme short - circuit breaking capacity Icu (kA) | H:70,40,20,/ R:80,50,30,20 |
| Use classes | A |
| Insolation feature | Yes |
| Allowable ambient temperature | -35ºC~+70ºC |
| Wiring mode | Up incoming and Down outcoming, Down incoming and Up outcoming |
| Running short - circuit breaking capacity Ics (kA) | lcs=100%lcu |
| Mechanical life | 10000 |
| Electrical life | 1000 |
| Standard | IEC 60947 - 2, GB/T 14048.2 |
| With accessories | Auxiliary, alarm, off load, Hand operation, Electric operation |
| Quality certificate | CCC, CE, CB,TÜV |
| Overall dimensions L×W×H (mm) | 275*108*145.5 |
Standard
SRM3HU/DC series AC/DC molded case circuit breakers meet the following standards IEC 60947-1 GB/T14048.1 General Provisions IEC 60947-2 GB/T14048.2 Circuit Breaker.
Use and Maintenance
Various characteristics and accessories of the circuit breaker shall be fixed by the manufacturer and shall not be adjusted in the use. Under the compliance with custody and use conditions, from the date of 24 months from the manufacturer delivery and in the situation of the circuit breaker intact seals, if the product is damaged or not used normally due to manufacturing quality problems, the manufacturer shall be responsible for replacement and repair without charge.
Applied Environment
1. The altitude is not higher than 5500 m;
2. It is resistant to damp air (three-proof type)®
3. It is resistant to the influence of salt fog and oil fog (three - proof type);
4. It is resistant to the influence of mold (three - proof type);
5. In a medium without explosion risk, and the medium is not enough to corrode the metal and destroy the insulation of the gas and conductive dust. Note: The three-prevention products should be specially customized, please indicate TH.
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