Zn85 40.5 Kv 35kv Indoor Vacuum Circuit Breaker Vcb Handcart Type

Basic Info.

Model NO.	ZN85- 40.5
Poles Number	3
Type	Circuit Breaker
Function	Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
Certification	ISO9001-2000, CCC
Transport Package	Export Standard Wooden Case
Specification	40.5KV
Trademark	Witry OEM
Origin	Shandong China
HS Code	8535210000
Production Capacity	50000PCS/Years

Product Description

Product overview
ZN85 high voltage vacuum circuit breaker (hereinafter referred to be circuit breaker) is the withdrawable type circuit breaker developed by us and is the indoor switchgear for 40. 5kV power system. It is used for protection and control of power grid equipment and power equipment of industrial and mining enterprises. Due to its special merits, it is suitable for rated voltage frequent operations and in places with multiple breaking of circuit current.
Service conditions
1)Ambient temperature: maximum +40ºC; minimum -15ºC
2)Relative humidity: Daily average RH ≤95%
Monthly average RH ≤90%
Daily average steam pressure ≤2.2X10-3MPa
Monthly average steam pressure ≤1.8X10-3MPa
3) Altitude: ≤2000 m
4) Seismic intensity: no more than 85) In places without water dripping, inflammable and explosive hazards, chemical corrosive gases or violent vibration.
Technical specification

No.	Items		Unit	Parameters
1	Rated voltage		kV	40.5
2	Rated frequency		Hz	50
3	Rated insulation level	Lightning impulse withstand voltage (peak)	85 185
4	Rated current		A	1250,1600,2000, 2500
5	Rated short circuit breaking current		kA	25, 31.5, 40
6	Rated short circuit closing current (peak)		kA	63, 80 ,100
7	Rated short-time withstand current (4s)		kA	25, 31.5, 40
8	Rated peak withstand current		kA	63, 80,100
9	Breaking times of rated short-circuit current		Times	20
10	Rated capacitor bank breaking current		A	400
11	Rated operating sequence			0-0.3s-CO - 180s-cO
12	Mechanical life		Times	10000

About Our Company Shandong Witry Electric Co., Ltd. is a professional electrical equipment enterprise located in Shandong province east of China, integrating R&D, design, manufacture, supply and export. The main products are high-voltage transmission and transformation equipment, high and low-voltage switchgear, cable tray. the products are widely used in power, metallurgy, chemical industry, machinery, medicine, mining, textile and other industries.

Mission & Vision Thinking and doing more, make customers do less. Being more efficient, make customers more beneficial. Represent with quality, make reputation with service. Sincerely treat guests, make friends in business. We are committed to producing only the highest quality products that meet or exceed our customers' expectations and requirements. Our goal is to achieve 100% customer satisfaction by delivering the best products and services on time and defect free. We will achieve this individually and corporately through tested and proven processes and controls in our Quality System, and with a constant focus and effort on continuous improvement.

Our Employees Our employees consists of experienced, well-motivated and dedicated team of engineers, technicians, sales executives and management staff. Our company has a strong technical team, all-weather provide convenient fast pre-sale and after-sale service and detailed engineering technical solutions.

Our Equipment and Management Our factory covers an area of 100,000 square meters and has 18 workshops. The main equipment includes laser cutting machine, Shearing Machine, automatic ladder edge production line, high-voltage electrostatic powder spraying production line, etc. It has more than 100 sets of imported CNC processing equipment and precision testing equipment. Each process has strict quality control and processing technology, and the products fully comply with national standards and IEC (International Electrotechnical Commission)standards. The company has successfully obtained ISO9001:2008 quality management system, ISO14001:2004 environmental management system and OHSAS18001:2007 occupational health and safety management system certification.