Zw7- 40.5 Kv High Voltage Spring Operation Mechanism Vacuum Circuit Breaker
| Customization: | Available |
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| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Manual Type |
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Basic Info.
- Model NO.
- ZW7-40.5
- Speed
- Normal Type Circuit Breaker
- Arc-extinguishing Medium
- Vacuum
- Installation
- Fixed
- Structure
- Recloser
- Poles Number
- 3
- Type
- Circuit Breaker
- Function
- Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
- Certification
- ISO9001-2000, CE, CCC
- MOQ
- 1PCS
- Ambient Air Temperature
- -40℃~+40℃
- Mechanical Life
- 10000 Times
- Transport Package
- Normal Export Case
- Specification
- 2465*500*2400
- Trademark
- KODERY
- Origin
- China
- HS Code
- 8537209000
- Production Capacity
- 50pieces/Week
Packaging & Delivery
- Package Size
- 250.00cm * 50.00cm * 250.00cm
- Package Gross Weight
- 120.000kg
Product Description
ZW7-40.5 type outdoor high voltage vacuum circuit breaker is the three-phase AC 50Hz outdoor high voltage electrical equipment, suit for control and protection of 20-40.5kV transmission and distribution system; can also be used for sectional circuit breaker and switching capacitor bank occasions; this product can be matched with piecewise controller, reclose device can realize the power system intelligent segmentation, reclose control. And can add the current transformer for measurement and protection. Circuit breaker equipped with spring or electromagnetic actuator, reliable mechanical performance, frequent operation; no fire and explosion danger; circuit breaker conforms to the national standard GB19841989 "AC high voltage circuit breaker" and the International Electrotechnical Commission Standard IEC56, IEC62271-100 "high voltage AC circuit breaker" requirements.
| Item | Unit | Parameter |
| Voltage, current parameters | ||
| Rated voltage | kV | 40.5 |
| Rated short time power frequency withstand voltage (Imin) | kV | 95 |
| Rated lightning impulse withstand voltage (peak) | kV | 185 |
| Rated current | A | 1250, 1600, 2000 |
| Rated short-circuit breaking current | kA | 25, 31.5 |
| Rated operating sequence | O-0.3s-CO-180s-CO | |
| Rated short-circuit current breaking times | times | 12 |
| Rated short-circuit closing current (peak) | kA | 63.80 |
| Rated peak withstand current | kA | 63.80 |
| Rated short-time withstand current | kA | 25, 31.5 |
| Rated short-circuit current duration | S | 4 |
| Average opening velocity | ms | 1.5±0.2 |
| Average closing speed | ms | 0.7±0.2 |
| Contact closing bounce time | ms | <5 |
| Three-phase close (open) synchronization error | ms | <2 |
| Closing time | ms | <150 |
| Opening time | ms | <60 |
| Mechanical life | times | 10000 |
| Rated operational voltage and auxiliary circuits rated voltage | V | DC220, AC220 |
| DC resistance of circle every phase (not including transformer) | μΩ | <100 |
| Dynamic, static contact allowed to wear thickness | mm | 3 |
| Weight | kg | 800 |
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