36kv 40.5kv Embedded Pole for High Voltage 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.: VEP1-40.5/1250(1600/2000/2500)-31.5(VAC802)
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection
• Certification: ISO9001-2000, CE, CCC
• Power Frequency Withstand Voltage: 95kv
• Lightning Impulse Withstand Voltage: 185kv
• Mechanical Life: 10000 Times
• Clearance Between Open Contacts: 17-19mm
• Rated Short-Circuir Duration: 4s
• Transport Package: Carton
• Trademark: VACEM
• Origin: Wenzhou, China

Product Description

Embedded pole
VEP1-40.5/1250-31.5(VAC802)
VEP1-40.5/1600-31.5(VAC802)
VEP1-40.5/2000-31.5(VAC802)
VEP1-40.5/2500-31.5(VAC802)
 

General description

Get ready to experience the ultimate in reliability and stability with our 36kv 40.5kv High Voltage Embedded Pole for Vacuum Circuit Breaker! This innovative product uses top-of-the-line insulation material to seal the vacuum interrupter and main loop conductive element, as well as the insulation support, resulting in a simple assembly process and a strong tolerance for environmental pollution. 
Designed to be paired with relevant indoor and outdoor vacuum circuit breakers or vacuum distribution devices, our Embedded Pole is perfect for frequent operation places such as electric power, machinery, the chemical industry, metallurgy, mining, and more. With a frequency of 50Hz/60Hz and rated voltage options of 12kV, 17.5kV, 24kV, 27.5kV, and 40.5kV, you can trust that our product will meet all of your high voltage needs. This embedded pole is mainly applied to VZN85-40.5kV series VCB. Meets or exceeds the requirement of IEC60694 and JB-T11203-2011.

Don't settle for less when it comes to reliability and stability. Choose our Embedded Pole for Vacuum Circuit Breaker and experience the ultimate in performance and quality. Get yours today and take your operations to the next level!   

Main technical parameter

Specification of VI

Parameter item	Unit	Data
Rated voltage	kV	36/40.5
Rated current	A	1250/1600/2000/2500
Rated frequency	Hz	50/60
Rated short-time power frequency withstand voltage(1min)	kV	95
Rated lightning impulse withstand voltage	kV	185
Rated short-circuit breaking current	kA	31.5
Rated short-time withstand current	kA	80
Rated peak withstand current	kA	80
Rated short-circuit making current	kA	31.5
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	20
Mechanical life	times	10000
Contact automatic closing ability	N	120±50
Force required to hold contact open at full stroke	N	240±50
Circuit resistance at lowest rated contact force	μΩ	≤25
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	18±1
Average opening speed	m/s	1.55±0.15
Average closing speed	m/s	0.7±0.2
Rated contact pressure	N	3200±200
Contact bouncing duration at closing operation	ms	≤3
Closing and opening non-simultaneity of contacts	ms	≤2
Maximum rebound during opening	mm	≤3

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