40kV Vacuum Circuit Breaker, 1250A, 50Hz

40kV Vacuum Circuit Breaker, 1250A, 50Hz

Lower cost vacuum circuit breaker with 40kv rated voltage for sale online. Indoor vacuum circuit breaker has a switching capacity capable of handling the loads occurring at start-up and shutdown. Opening time is 30ms~60ms, closing time is 50ms~100ms. Acting to protect and control line is the function of vcb.

SKU: CCHN-VCB-40

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Delivery date: 6-25 days

Overview

VCB circuit breaker with 40kv for sale. The entire structure of vacuum circuit breaker presents the integrated installation off-switch body and operating mechanism. VCB breaker price is affordable and suit for engineering programs.

Features:

40.5kV vacuum circuit breaker with Ideal contact material and shape, ensuring low current carrying value and stable contact resistance.
Integrated design of main conductive circuit made of compound isolation material and operating mechanism.
Few components and parts, compact and logical structure, assuring more reliable and safer operation.
VCB breaker adopts the composite insulation structure, with high insulation level,no pollution or explosion danger.
Compact design enables the breaker to be installed within almost all switchgears.
Superior cost performance, vacuum circuit breaker is the ideal choice for engineering programs.

Specification: (Parameters can be customized)

Model	CCHN-VCB-40
Rated voltage	40 kV
Maximum operating voltage	40 kV
Rated current	630A/1000A/1250A	1250A/1600A/2000A/2500A	1250A/1600A/2000A/3150A	2000A/2500A/3150A
Rated short circuit breaking current	20kA/25kA	31.5kA	40kA	50kA
Rated short circuit closing current	50kA/63kA	80kA	100kA	125kA
Rated peak withstand current	50kA/63kA	80kA	100kA	125kA
4S Rated short-time withstand current	20kA/25kA	31.5kA	40kA	50kA
Rated insulation level	power frequency withstand voltage（rated open circuit before and later）: 42 kV
	impulse withstand voltage（rated open circuit before and later）: 75 kV
Mechanical life	20000 times
Rated closing voltage of operating mechanism (DC)	110 V, 220 V
Rated switching voltage of operating mechanism (DC)	110 V, 220 V
Contactor torque	11±1
Exceed range(the compress length of contact spring)	4±0.5
Max.bouncing duration	≤ 2
Average opening speed	≤ 0.05
Average closing speed	≤ 0.08
Opening time	≤ 50
Closing time	≤ 100
Accumulative allowable wear thickness of dynamic and static contacts	3 mm
Certification	CE
Warranty	12 months

Dimensions: (Unit: mm)

Schematic Diagram:

Details

Tips: What Information Should You Pay Attention to When Ordering？

Vacuurn circuit breaker's name, model, main technical data and order quantity.
Vacuurn circuit breaker's rated voltage and rated current and rated short-circuit breaking current, vacuurn circuit breaker's operation mechanism mode and control voltage.
Spare parts narne and quantity, rated voltage of tripping and closing coil; Other questions or special requirements please contact with manufacturer.