Medium High Voltage 33kv 35kv 40.5kv Triple Poles Smart Electrical Auto Reclosing Indoor Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Electric Type
• Model NO.: ZN85
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3
• Type: Vcb
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection), RCCB
• Certification: VDE, ISO9001-2000, CE, CB, CCC
• Product Name: Indoor Vacuum Circuit Breaker
• Keywords: Indoor Vacuum Circuit Breaker
• Model: Zn85
• Rated Voltage: 40.5kv
• Rated Current: 1250A/1600A/2000A
• Rated Frequency: 50Hz
• Rated Short Circuit Breaking Current: 25ka/31.5ka
• Rated Short-Circuit Current (Peak): 63ka/80ka
• 4s Rated Short-Circuit Withstand Current: 25ka/31.5ka
• Rated Peak Withstand Current: 63ka/80ka
• 1min Power Frequency Withstand Voltage: 95kv
• Lightning Impulse Withstand Voltage: 185kv
• Mechanical Life: 10000 Times
• Breaking Time: Less Than 80ms
• MOQ: 1 Piece
• Transport Package: Standard Packaging or Customized
• Specification: Standard specifications or customized
• Trademark: POWZY
• Production Capacity: 20000 Pieces/Year
• Package Size: 140.00cm * 120.00cm * 170.00cm
• Package Gross Weight: 650.000kg

Product Description

30kV to 40.5kV Indoor Use ZN85 Series MV Vacuum Circuit Breaker

We are a factory specializing in 10kV to 40kV circuit breaker, boasting over 20 years of expertise in the electricity industry. Our products cater to a diverse range of applications, power transmission, distribution network, industrial power system, renewable energy integration, infrastructure, and transportation.

Whether it involves , , , , or , we are capable of delivering tailored production solutions aligned with customers' specific requirements.

Product Description

ZN85 Series Indoor Vacuum Circuit Breaker
Item	Unit	Parameters
Rated voltage	kV	30     35     40.5
Rated power frequency withstand voltage(1min)	kV	95
Rated lightning impulse withstand voltage(peak)	kV	185
Rated frequency	Hz	50
Rated current	A	630     1250     1600     2000     2500
Rated short circuit breaking current	kA	20     25     31.5
Rated short time withstand current	kA	20     25     31.5
Rated short circuit making current(peak)	kA	50     63     80
Rated peak withstand current	kA	50     63     80
Rated short circuit duration	s	4
Rated short-circuit current breaking times	Times	20
Closing time	ms	60
Opening time	ms	45
Mechanical endurance	Times	10000
Rated opening/closing operation voltage	V	AC 110/220     DC110/220
Rated voltage of charging motor	V	AC 110/220     DC110/220
Closing bouncing time	ms	≤2
Opening asynchronism	ms	≤2
Closing asynchronism	ms	≤2
Rated operating sequence		O-0.3s-CO-180s-CO

Maitenance Free

Versatile Applications

Meet Different Demands

Conform to GB, IEC, DL and JB standards. Simple structure design of ZN85 series vacuum circuit breaker minimizes fault occurrence, and simplifies daily maintenance.

 Epoxy resin insulation cylinder manufactured with APG process can withstand severe environmental impacts, enabling ZN85 breakers to be used in all kinds of situations.

ZN85 based on different operation environments, applied separately for centrally installed switchgears and fixed type switchgears, to satisfy different requirements from users.

Packaging & Shipping

After Sales Service

Two-Year Warranty

24-Hour Response

Free Replacement

We offer a two-year warranty, covering functional failures caused by material or manufacturing defects. 

Our dedicated team guarantees a clear response within 24 hours for any technical or after-sales inquiries.

If a product fails under warranty, we conduct a swift inspection and replace it with a new unit at no cost.

Company Profile

Powzy Technology Co., Ltd.

Established in 2006, POWZY is a high-tech electrical enterprise integrating R&D, production, and sales. Covering over 30,000 square meters, it employs more than 200 people, including about 20 in R&D team.The company has received numerous accolades, such as National High-tech Enterprise, Credible Enterprise, Technology-based SME, Green Products Supplier in China, and also has ISO9001,1SO14001,1SO45001 system certificates, more than 30 national patents and a full set of type test reports. Our main products include custom , , , , .

Production Process

Certificate Display

Customer Visit

FAQ

Q1: Are you a manufacturer or a trader?
A1: We are a leading professional manufacturer.
 
Q2: How long is your delivery cycle?
A2: It depends on your product requirements and quantity. Generally, 5 to 10 working days are required for delivery.
 
Q3: What is your after-sales service?
A3: We can answer users' questions solve their problems 24 hours a day, and provide comprehensive technical support for all our products promptly.
 
Q4: How do you solve quality problems?
A4: Please provide detailed photos of the quality problems. Our technical and quality inspection departments will analyze them. We will give a satisfactory solution within 24 hours.
 
Q5: Do you accept customized services?
A5: We provide OEM/ODM services and can print your logo on the products. Our professional technical and quotation team can provide satisfactory projects according to your drawings and parameters.