12kv High Voltage Embedded Pole VAC618 for Vacuum Circuit Breaker

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: ACB
• Model NO.: VEP-12/2500-31.5(40) (VAC618)
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection
• Certification: ISO9001-2000, CE, CCC
• Power Frequency Withstand Voltage: 48kv
• Lightning Impulse Withstand Voltage: 95kv
• Mechanical Life: 10000 Times
• Clearance Between Open Contacts: 8-10mm
• Rated Short-Circuir Duration: 4s
• Transport Package: Carton
• Specification: VAC618
• Trademark: VACEM
• Origin: Wenzhou, China

Product Description

Embedded pole
VEP-12/2500-31.5(VAC618)
VEP-12/2500-40(VAC618)
 

General description

Introducing the 12kv High Voltage Embedded Pole VAC618, the ultimate solution for your vacuum circuit breaker needs! This top-of-the-line product is designed to provide reliable and efficient performance, making it the perfect choice for any industrial application.
With its innovative embedded pole technology, this product uses high-quality insulation material to seal the vacuum interrupter and the main loop conductive element, providing a complete insulation support system. This unique design offers a range of benefits, including improved safety, enhanced durability, and increased efficiency.  Meets or exceeds the requirement of IEC60694 and JB-T11203-2011.
Whether you're looking for vacuum circuit breaker parts or a complete 12kv embedded pole solution, the VAC618 has you covered. With its advanced features and superior performance, this product is sure to exceed your expectations and deliver outstanding results.

So why wait? If you're looking for a high-quality, reliable, and efficient solution for your vacuum circuit breaker needs, look no further than the 12kv High Voltage Embedded Pole VAC618. Order yours today and experience the power of cutting-edge technology and superior performance!

Main technical parameter

Specification of VI

Parameter item	Unit	Data
Rated voltage	kV	12
Rated current	A	2500
Rated frequency	Hz	50/60
Rated short-time power frequency withstand voltage(1min)	kV	48
Rated lightning impulse withstand voltage	kV	95
Rated short-circuit breaking current	kA	31.5/40
Rated short-time withstand current	kA	80/100
Rated peak withstand current	kA	80/100
Rated short-circuit making current	kA	31.5/40
Rated short-circuit duration	s	4
Rated single capacitor bank breaking current	A	400
Rated back to back capacitor bank breaking current	A	400
Rated operating sequence		O-0.3s-CO180s-CO
Breaking operations of rated short circuit breaking current	times	30
Mechanical life	times	10000
Contact automatic closing ability	N	140±50
Force required to hold contact open at full stroke	N	220±50
Circuit resistance at lowest rated contact force	μΩ	≤20
Contact limit erosion	mm	3
Internal gas pressure of vacuum interrupter	Pa	≤1×10^-3
Partial discharge	Pc	≤5

Specifications required for matched switchgear

Parameter item	Unit	Data
Clearance between open contacts	mm	9±1
Average opening speed	m/s	1.20±0.2
Average closing speed	m/s	0.6±0.2
Rated contact pressure	N	4600±200
Contact bouncing duration at closing operation	ms	≤2
Closing and opening non-simultaneity of contacts	ms	≤2
Maximum rebound during opening	mm	≤2

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