Vcb with Motor Spring Operating Mechanism and Remote Control

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Manual Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Insert
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Certification: ISO9001-2000, CE, CCC
• Rated Voltage: 12kv
• Rated Frequency: 50Hz
• Mechanical Life: 10000 Times
• Rated Current: 630A~4000A
• Bcd Curve: D
• Standard: IEC 60898
• Transport Package: Export Standard Wooden Case
• Specification: 310*681*638MM
• Trademark: shengxian
• Origin: Zhejiang, China
• HS Code: 8535900000
• Production Capacity: 500 Pieces/Week
• Package Size: 800.00cm * 1000.00cm * 800.00cm
• Package Gross Weight: 50.000kg

Product Description

Product Description

Indoor High Voltage Vacuum Circuit Breaker
The Indoor High Voltage Vacuum Circuit Breaker operates with three-phase AC at 50Hz and a rated voltage of 12kV. Perfect for industrial and mining sectors, power plants, and substations, it provides superior control and protection. Ideal for frequent operations, it can be fixed in a switch cabinet or mounted on a handcart, ensuring stable performance and easy setup.
Applying Ambient Conditions:
• Ambient temperature: Max +40°C, Min −10°C (Storage/transport allowed at −30°C).

• Altitude: Max 1000m above sea level.

• Relative humidity: Daily avg ≤ 95%, saturated vapor pressure avg ≤ 2.2×10-3MPa, not more than 1.8× 10-3MPa on average.

• Earthquake intensity: Max level eight.

• No fire, explosion risk, severe dirt, chemical corrosion, or intense vibration zones.

Specification

Item		Units	Value
rated voltage		KV	12
rated frequency		Hz	50
rated insulation level	1 min power frequency withstand voltage	kA	to ground/ interphase: 42/48
	lightning impulse withstand voltage (peak)		to ground/ interphase: 75/85
rated short circuit breaking current		kA	20	25	31.5		40
rated current		A	630	630	1250	1600	1250	1600
			1250	1250	2000	2500	2000	2500
rated short-time withstand current		kA	20	25	31.5		40
rated peak withstand voltage			50	63	80		100
rated short circuit closing current			50	63	80		100
rated duration for short circuit current		S	4
mechanical life		Times	20000
power frequency withstand voltage of the second loop (1 min)		V	2000
rated operation sequence			0-0.3s-Co-180s-Co

Detailed Photos

Company Profile

Certifications

Group photo with customers

Packaging & Shipping

FAQ

Q1. Are you a trading company or manufacturer?
A: We are a seasoned factory with a decade of expertise in High and Low voltage switchgears, substations, transformers, cable distribution boxes, and diverse electrical equipment like vacuum circuit breakers and load break switches.
Our factory is a preferred supplier for the State Grid Corporation of China.

Q2. Do you accept customized service?
A: We offer OEM/ODM services, including logo printing. Our expert technical and quotation team can deliver a tailored project based on your drawings and specifications.

Q3. What is your MOQ?
A: Our Minimum Order Quantity is 1 piece.

Q4. How long is your delivery lead time?
A: Lead time varies based on product needs and quantity. Generally, 5 to 10 working days.

Q5. How do you solve quality problems?
A: Please provide detailed photos of the quality issue. Our technical and quality departments will analyze and provide an effective solution within 2 days.

Q6. What are your payment terms?
A: 30%T/T upfront, 70% before shipment. West Union and L/C are also accepted.