| Customization: | Available |
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| Breaking Capacity: | Low Voltage Circuit Breakers |
| Operation: | Manual Type |
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Factory Outlet STZC Moulded Case Circuit Breaker 100A -630A MCCB for high the reliability and continuity of power supply MCCB
Genaral
STEZC Series moulded case circuit breaker is used in the distribution network of AC 50/60Hz, rated operational voltage 440V and rated current from 15A to 400A. It is used for distributing power and protecting circuit, power and electrical equipment from overload and short-circuit damage, which will improve the reliability and continuity of power supply.
Specifications
| Type | Rated Current(A) | Pole | Rated insulation voltage Ui (V) | Rated voltage Ue (V) |
Short-circuit Breaking Capacity Ics (KA) |
Ultimate Short Circuit Breaking Capacity Icu (KA) |
Operation Life (times) |
|
| Electrical | Mechanism | |||||||
| STZC-100 | 16,20,25,32, 40,50,63,80,100 |
3,4 | 690 | 220/230/240 | 13 | 25 | 1500 | 8500 |
| 400/415 | 8 | 15 | ||||||
| 440 | 5 | 10 | ||||||
| 550 | 3 | 5 | ||||||
| 250 | 3 | 5 | ||||||
| STZC-160 | 100,125,160 | 220/230/240 | 13 | 25 | 1000 | 7000 | ||
| 400/415 | 9 | 18 | ||||||
| 440 | 8 | 15 | ||||||
| 550 | 3 | 5 | ||||||
| 250 | 3 | 5 | ||||||
| STZC-250 | 160,180, 200,225,250 |
220/230/240 | 13 | 25 | 1000 | 5000 | ||
| 400/415 | 9 | 18 | ||||||
| 440 | 8 | 15 | ||||||
| 550 | 3 | 5 | ||||||
| 250 | 3 | 5 | ||||||
| STZC-400 | 250,300,315,400 | 220/230/240 | 43 | 85 | 1000 | 4000 | ||
| 400/415 | 18 | 36 | ||||||
| 440 | 18 | 36 | ||||||
| 500 | 10 | 20 | ||||||
| 550 | 8 | 15 | ||||||
| STZC-630 | 400,500,600,630 | 220/230/240 | 43 | 85 | 1000 | 4000 | ||
| 400/415 | 18 | 36 | ||||||
| 440 | 18 | 36 | ||||||
| 500 | 10 | 20 | ||||||
| 550 | 8 | 15 | ||||||
Perfect function
* The breaking capacity covers the common breaking in Level II power distribution areas and electromechanical market: 25kV, 36kV.
* Comprehensive range of protection, including low-voltage distribution systems protection, motor protection and earth leakage protection.
1. The altitude below 2000m.
2. The ambient temperature between 40ºC and -5ºC.
3. It can withstand the impact from humid air, salt spray, oil mist, and mold.
4. In places with no danger of explosion, no conductive dust, and no substance enough to corrode metal or damage the installation.
5. In places with no rain and snow erosion.
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