Low Voltage 1140V Vacuum Circuit Breaker for Mining

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Model NO.: ZK1-1.14KV/630A
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, OVP(Overvoltage Protection), RCCB, Do as Your Request
• Certification: ISO9001-2000, CE
• Rated Voltage: 1.14 Kv
• Rated Frequency: 50Hz
• Rated Current: 630A
• Phase Distance: 94mm
• Transport Package: Wooden Case
• Specification: steel, expoxy resin
• Trademark: LIYOND
• Origin: China
• Production Capacity: 3000/Month

Product Description

Low voltage 1140V vacuum circuit breaker for mining

Summary
Our ZK1 low voltage vacuum circuit breaker is suitable for AC 50Hz, rated voltage of 1140V and below, and rated current of 630A and below, as the main switch and branch switch of the power supply system.
It can also be used for infrequent starting of large-capacity motors. And it is suitable for various protection devices to form various distribution switches, especially suitable for forming explosion-proof vacuum feeder switches in coal mines.

Applying ambient conditions
1. Ambient temperature: -5°C~+40°C;
2. Atmospheric conditions: When the temperature is +40°C, the relative humidity is not more than 50%;
3. Installation conditions: vertical installation, the inclination does not exceed 15°;
4. Pollution degree three: installation category main circuit III, control circuit II;
5. The height above sea level: <2000 m (Except special requirements);
 

 

Technical datas

 

Item	Unit	Data
Rated current	A	630
Rated voltage	kV	1.14
Limited Making Capacity	kA	12.5
Inherent Opening Time	ms	≤ 30
Closing Time	ms	≤ 100
Closing Bounce Time	ms	≤ 2
Mechanica life	times	20000
Electrical life	times	3000
Control voltage	V(AC)	220
Under Voltage, Shunt Release DC Supply	V	48
Closing power(W transient) W	W	2782
Closing power	W	48
Under-voltage power	W	5
Auxiliary switch	3NO, 3NC
Auxiliary contact capacity	Ue:AC380V Ie: 10A

FAQ

Q: Could I have prices of your products?

A: Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.

 

Q: Can I get a sample before the bulk order?

A: Yes, we welcome sample order to test and check quality.Mixed samples are acceptable.

 

Q: Can we print our logo/ company name on products?

A: Yes, of course, we accept OEM, then need you to provide brand authorization to us

 

Q:Do you accept product customization?

A:Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation

Q: What is the lead time? 
A: The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment. 

 

Q: What is your Trade Terms? 
A: We accept EXW, FOB, CIF, FCA, etc. 

 

Q: What is your payment method?  
A: We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc 

 

Q: Do you inspect the finished products?

A: Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment

Q: How to solve the quality problems after sales? 
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.