Factory Manufacturer of 33kv Outdoor High Voltage Circuit Breaker Zw7

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Model NO.: zw7
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Export Standard
• Trademark: FUERTE, OEM
• Origin: China
• HS Code: 8535210000
• Production Capacity: 3600sets/Year

Product Description

1. Environmental Condition

Altitude:not exceed 2000mAmbient temperature:not higher than +40°C, not less than -40°C

Wind pressure not exceed 700Pa (equivalent to wind speed 34m/s)

Air contamination degree:III degree

Earthquake intensity:not exceed 8

2. Technical

No.	Item	Unit	Data
1	Rated voltage	KV	40.5
2	Rated current	A	1250,1600,2000
3	Rated frequency	HZ	50
4	Rating short-circuits drop-out current	KA	20,25,31.5
5	The rating short-circuits the pass to gather the electric current (peak value)	KA	50,63,80
6	Fixed peak value withstanding electric current	KA
7	Fixed short-time withstanding electric current	KA	20,25,31.5
8	Fixed operation voltage and assistance return route rated voltage	V	Junction, direct current
			220,110
9	Fixed operation sequence		off ~0.3~ on/off~180S~ on/off
10	The rating short-circuits the duration	s	4
11	Mechanical life	times	10000
12	Sound of something astir contact permission attrition thickness	mm	3
13	Weight	kg	800

 

3. Application

 

ZW7-40.5 series vacuum circuit breaker is mainly used for outdoor 35kV power transmission system control and protection. It also applies to urban and rural power distribution networks and industrial and mining enterprises in the normal operation and short circuit protection purposes.

 

4.Standards

GB1984GB/T28001-2011 idt OHSAS18001:2007GB/T24001-2004 idt ISO14001:2004IEC56

5. Advantages

For frequent operation place

Good sealing, anti-aging, high pressure, no burning, no explosion, long life, convenient installation and maintenance features