Reliable Zn85-40.5 Handcart Type Vacuum Circuit Breaker for Industrial Switchgear and Electrical Protection

• Customization: Available
• Breaking Capacity: 100ka
• Operation: Electric Type
• Model NO.: ZN85-40.5
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3, 4
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, RCCB
• Certification: ISO9001-2000, CE, CB, CCC
• Rated Voltage: 40.5kv
• Rated Current: 1250A,1600A,2000A,2500A
• Rated Frequency: 50Hz/60Hz
• Application: Distributing Network Power
• Protection: Li, LSI, Lsig, Other
• Making Time (Ms): 35~60
• Breaking Time (Ms): 50~100
• Rated Short-Time Withstand Current: 20,25,31.5 Ka
• Rated Operating Sequence: 0-0.3s- Co -180s- Co
• Breaking Time: ≤80
• Rated Working Current of Switching Coil: 1.05/(-110V);0.96/(-220V) a
• Rated Operating Voltage: -110/~110,-220/~220 V
• Transport Package: Standard Export Carton
• Specification: 100X80X60 cm/OEM
• Trademark: Pino Electric
• Origin: Jiangxi, China
• HS Code: 85362000
• Production Capacity: 5000

Product Description

The ZN85-40.5 handcart type vacuum circuit breaker stands as a pinnacle of indoor high-voltage switchgear technology, tailored for three-phase AC systems operating at 50Hz and rated at 40.5kV. This pivotal device serves industrial and mining enterprises, power generation facilities, and electrical substations, adeptly managing load currents, overload currents, and fault currents, especially in scenarios demanding frequent operation.

Product Features

• Advanced Arc Extinguishing and Power Interruption: Leveraging cutting-edge vacuum arc extinguishing technology, this circuit breaker minimizes arc duration and enhances power interruption capabilities, facilitating stable system operations.

• Robust Handcart Structure for Enhanced Safety: Its handcart design simplifies installation and maintenance processes, incorporating "five-prevention" safety features to safeguard operators.

• Exceptional Insulation Quality: The use of premium insulation materials and composite insulated pole columns guarantees consistent insulation performance, even under challenging humidity or extreme conditions.

• Versatile Operation: Designed for both manual and electric operation modes, it accommodates remote control functionalities to meet the dynamic needs of contemporary electrical grids.

• Modularity and Compatibility: Its modular design ensures ease of assembly and disassembly.   When paired with various high-voltage switchgear like the KYN61-40.5, it demonstrates remarkable compatibility.

• Broad Application Spectrum: Beyond its traditional use in industrial, mining, and electrical substations, it's also suitable for any setting that requires reliable power interruption and safety mechanisms.

• Adaptable to Diverse Environments: Engineered to operate flawlessly in temperatures ranging from -40ºC to +40ºC, it is resilient against environmental fluctuations.

• Cost-Effective with Minimal Maintenance: The device's longevity and reduced maintenance demands translate into substantial savings in operational and maintenance expenses.
   

  Environmental Conditions

• The upper limit of ambient temperature is +40C, and the average value measured within 24 hours does not exceed 35C;  Lower limit -15ºC.

• The altitude does not exceed 1000m.

• Relative humidity: the daily average does not exceed 95% The monthly average value does not exceed 90%.

• Water vapor pressure: daily average does not exceed 2.2kPa, monthly average does not exceed 1.8kPa.

• The surrounding air is not significantly contaminated by dust, smoke, corrosive or combustible gases, vapors and salt spray.

• When used under the above normal environment and other conditions specified in GB/T11022-1999, the user can negotiate with the manufacturer to solve the problem.

Technical Data

 

NO.	Parameter name	Unit	Numerical value
1	Rated voltage	kV	40.5
2	1 min power frequency withstand voltage	kV	95
3	Lightning impulse withstand voltage	kV	185
4	Rated frequency	Hz	50
5	Rated current	A	1250,1600,2000,2500
6	Rated short-time withstand current	kA	20,25,31.5
7	Rated peak withstand current	kA	50,63,80
8	Rated short circuit duration	S	4
9	Rated short-circuit breaking current	kA	20,25,31.5
10	Rated short-circuit closing current	kA	50,63,80
11	Rated operating sequence		0-0.3s- CO -180s- CO
12	Closing time	ms	50~100
13	Opening time	ms	35~60
14	Loop resistance (without contact arm)	μΩ	≤45 (rated current 2500A)
			≤60 (rated current 1600A; 2000A)
			≤80 (rated current 1250A; 630A)
15	Breaking time	ms	≤80
16	Rated short circuit breaking current breaking times	Times	20
17	Rated operating voltage	V	-110/~110,-220/~220
18	Rated working current of switching coil	A	1.05/(-110V);0.96/(-220V)
19	Mechanical life	time	10000

Schematic diagram of structure

 

Main circuit scheme diagram (mm)

 

 

 

 

Pino Electric Technology Co., Ltd, located in Yongxiu County Jiangxi Province China, was founded in 2012. Pino is a high-tech enterprise specializing in the research and development, production, sales, integrated installation, debugging, operation, maintenance services, as well as industrial electrical automation control systems for smart grid distribution network equipment. Pino products include high and low-voltage switchgear, ring main units (RMUs),distribution boxes,prefabricated substations, distribution transformers, integrated RMUs with primary and secondary equipment(using environmentally friendly gases),SMC distribution boxes, and measurement transformers. These products are widely used in infrastructure, energy, industrial, commercial, building, transportation, and so on.
Q1: Are you a trading company or a manufacturer?
A:Pino Electric Technology Co.,Ltd is a production and sales-oriented
enterprise focusing on the production of power equipment and integrating design, R&D, manufacturing and technical services.

Q2: What are your company's main products?
A:High and low-voltage switchgear, ring main units (RMUs), distribution boxes, prefabricated substations, distribution transformers, integrated RMUs with primary and secondary equipment (using environmentally friendly gases), SMC distribution boxes, and measurement transformers.

Q3: How do I buy your products?
A:You can order online through our website or contact our sales team for more product information and quotation. We support multiple payment methods and provide global shipping services.

Q4: How do you ensure product quality?
A:We strictly abide by international standards and quality management systems. All products are strictly tested and inspected before leaving the
factory. We also provide product quality assurance periods to ensure that the products you purchase meet your expected performance.

Q5: Do you provide customized services?
A:Yes, we can provide customized services according to the specific needs of our customers. Whether it is product specifications, designs or features, our technical team can work with you to develop solutions that meet your needs.

Q6: Can we visit your factory?
A:Of course! We welcome customers to visit our production facilities to learn about our manufacturing processes and quality control measures. Please make an appointment in advance and we will arrange a professional team to receive and accompany you during the visit. lf you have any other questions or need more information, please feel free to contact us. We are committed to providing you with the best service.