66KV Outdoor Vacuum Circuit Breaker With Disconnector

Liugao proudly stands as a prominent indoor vacuum circuit breaker manufacturer, presenting the 66KV Outdoor Vacuum Circuit Breaker With Disconnector—an exemplary electrical device designed for three-phase AC 50/60Hz systems with a rated voltage of 40.5kV. Equipped with a spring operator or electromagnetic actuator, this outdoor equipment provides precise control for electric opening and closing. Additionally, it offers the flexibility of manual operation, allowing for both manual storage and operation in the absence of electrical control. Engineered in compliance with international standards, including IEC62271-100 "AC high voltage circuit breakers" and IEC-56 "high-voltage AC circuit breakers" established by the International Electrotechnical Commission, this circuit breaker surpasses stringent requirements for safety and performance in high-voltage circuit interruption applications. Trust LiuGao for cutting-edge solutions that redefine the benchmarks of outdoor vacuum circuit breakers, ensuring unmatched safety, precision, and reliability.

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Product Description

Liugao is a 66KV Outdoor Vacuum Circuit Breaker With Disconnector supplier.ZW7-40.5 Type vacuum circuit breaker is mainly used for outdoor 36kV power transmission system control and protection also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes. The overall structure of the insulator pillar product type; built vacuum interrupter type on the vase, porcelain vase for the next pillar vase. For frequent operation place. And has good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features.

66KV Outdoor Vacuum Circuit Breaker With Disconnector Operating Environment

1 Ambient temperature: -40℃~+40℃;

2 Altitude: ≤1000m;

3 Maximum wind speed is 10km/h, minimum wind speed for the rated level (132/230kv) is 3.2km/h;

4 Earthquake intensity: ≤8 level;

5 Minimum nominal creepage distance: 31mm/kV;

6 Air pollution degree: Class IV.

66KV Outdoor Vacuum Circuit Breaker With Disconnector Characteristics

ZW7-40.5 outdoor high-voltage vacuum circuit breaker is mainly composed of integrated pole, current transformer, operating mechanism and box. This type of circuit breaker is of miniaturized design, and the shell is made of high-quality steel box. Current transformers can be selected according to user needs. ZW7-40.5 outdoor high-voltage vacuum circuit breaker and matching intelligent control combination. The switch opening and closing operation can be realized locally, and it can also be remotely operated through the communication interface. Other information of the circuit breaker can also be transmitted to the control center, and the communication channel can choose cable, optical fiber, GPRS/CDMA, GSM, etc.

66KV Outdoor Vacuum Circuit Breaker With Disconnector Specification

No.	Item			Units	Parameters
1	Rated voltage			kV	40.5
2	Rated	1min power frequency	dry		95
	insulation	withstand voltage	wet		80
	level	Lightning impulse withstand voltage (peak)			185
3	Rated current			A	1250、1600、2000
4	Rated short-circuit breaking current			kA	20、25、31.5
5	Rated operating sequence				O－0.3s -CO- 180s-CO
6	Rated short-circuit breaking current breaki ng times			Times	12
7	Rated short- circu it closed current (peak)			kA	50、63、80
8	Rated peak withstand curren t
9	Rated short-time withstand current			kA	20、25、31.5
10	Rated short-circuit duration			S	4
11	Average opening speed			m/s	1.5 ± 0.2
12	Average closing speed				0.7 ±0.2
13	Contact closing bounce duration			s	≤2
14	Three phase closing and opening synchronism				≤2
15	Opening time				≤150
16	Closing time				≤60
17	Mechanism life			Times	10000
18	Rated operating voltage and aux ilia ry loop rated voltage			V	DC220 、1 10 、24
					AC220 、110 、24
19	Phase loop DC resistance (without current transformer）			uΩ	100
20	Permitted accumulate wear－thickness of dynamic and static contact			mm	3