Customization: | Available |
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Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.
1. The circuit breaker is suitable for three-phase AC 50Hz, 35kV and below power system.
2. It is mainly used for the control and protection of power system, and is used for breaking and closing load current, overload current and short circuit current.
3. Implementing Standards
GB/T1984-2014
GB/T11022-2011
DL/T402-2016
IEC62271 -100-2017
1. The ambient air temperature should not exceed 40 ° C, and the average temperature measured within 24 hours should not exceed 35 ° C; The minimum ambient air temperature is -45 ° C;
2. Solar radiation up to 1000W/m2 (noon on a sunny day) should be considered;
3. The altitude should not exceed 2000m;
4. The surrounding air may be contaminated by dust, smoke, corrosive gases, vapors or salt spray. Pollution level shall not exceed Class IV (severe pollution);
5. The ice covering range should be considered from 1mm to 20mm, but not more than 20mm;
6. Wind speed does not exceed 34m/s (corresponding to 700Pa on the surface of the cylinder);
7. Condensation and precipitation should be considered;
8. Vibration or ground motion from outside the switchgear and control equipment has no obvious relationship with the normal operation of the equipment;
9. Special Conditions of Use
Please negotiate with our company and reach an agreement if condition use is different from that above.
Item | Unit | Parameters | |
Rated voltage | kV | 40.5 | |
Rated current | A | 630,1250,1600, 2500 | |
Rated frequency | Hz | 50 | |
1min power frequency withstand voltage Rated insulation level Lightening impulse withstand voltage |
Dry state Moisture state |
kV | (Interpolar,Phase to ground)95/(vacuum fracture)118 |
kV | (Interpolar,phase to ground)185/(vacuum fracture)215 | ||
Rated short-circuit breaking current | kA | 25 31.5 | |
Rated short-circuit open/close current (peak) | kA | 63 80 | |
Rated peak withstand voltage | kA | 63 80 | |
Rated short-time withstand current | kA | 25 31.5 | |
Rated short-circuit lasting time | S | 4 | |
DC component of rated short-circuit breaking current | % | 40 | |
Rated operational consequence | 0-0.3s-CO-180s-CO | ||
Mechanical lifespan | Class | M2(Permanent magnet 30000;Spring 10000) | |
Transit recovery voltage (peak) | kV | 69.5 | |
Electrical lifespan | Class | E2 | |
Rated power voltage of auxiliary circuit | V | DC220 | |
Power frequency withstand voltage of secondary circuit | kV | 2 | |
Center distance between poles | mm | 460±3 510±3 | |
Allowable wear thickness of dynamic and static contacts | mm | 3 | |
Rated cable charging breaking current | A | 50 | |
Off-phase ground fault breaking capability | kA | 21.7 27.4 |
1. High sealing performance of three-phase pillar type fully enclosed structure
1.1 Stable and reliable breaking performance, no burning and explosion risk
1.2 Strong moisture-proof and anti-condensation performance, especially suitable for use in cold or humid areas
1.3 Maintenance-free, small size, light weight, long service life
1.4 The imported material has good insulation performance, high temperature resistance, ultraviolet resistance and aging resistance
2. Convenient and flexible control and free combination performance
2.1 Manual opening or electric opening, closing and remote control operation can be used
2.2 Power distribution automation is realized with intelligent controller, or automatic recloser and sectioner are formed with recloser controller
2.3 Two-phase or three-phase current transformers can be installed for overcurrent or short-circuit protection
2.4 Can provide current acquisition signal for intelligent controller
2.5 Current transformers for measurement can be installed according to user requirements
3. Single-stable permanent magnet operating mechanism can be used
3.1 Strong stability, not affected by the magnetization process and temperature changes
3.2 Electromagnetic closing, permanent magnet keep spring opening, rigid closing speed and rigid part speed are maximum
3.3 Simple structure, can fully overcome mechanical failure 3.4 can use a small spring operating mechanism
3.4 High stability, greatly simplifying the number of assembled parts of the mechanism
3.5 Easy to operate, equipped with switch and energy storage handle. It can be operated electrically or manually
3.6 High reliability, maintenance free during operation
Type/Parameter | A | B1 | B2 | C1 | C2 | P1 | P2 | E | F | G1 | G2 | Mechanism type | ||
ZW32-40.5 240±3 | 240±3 | 1380±3 | 1380±3 | 1448±5 | 1448±5 | 460±2 | 510±2 | 1310±5 | 863±2 | 400±3 | 657±3 | Spring | ||
ZW32A-405300±3 | 300±3 | 1150±3 | 1218±3 | 1294±5 | 1378±5 | 460±2 | 510±2 | 1344±5 | 885±2 | 535±3 | 735±3 | Permanent magnet (PM) |
After-sales Service
1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.
2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.
3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!