24kv Advanced High Voltage Embedded Pole 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-24/1250(1600)-31.5(VAC701)
• Poles Number: 3
• Type: Circuit Breaker
• Function: Circuit-Breaker Failure Protection
• Certification: ISO9001-2000, CE, CCC
• Power Frequency Withstand Voltage: 65(79)Kv
• Lightning Impulse Withstand Voltage: 125(145)Kv
• Mechanical Life: 10000 Times
• Clearance Between Open Contacts: 12-14mm
• Rated Short-Circuir Duration: 4s
• Transport Package: Carton
• Trademark: VACEM
• Origin: Wenzhou, China

Product Description

Embedded pole
VEP-24/1250-31.5(VAC701)
VEP-24/1600-31.5(VAC701)

General description

The Advanced High Voltage Embedded Pole for Vacuum Circuit Breaker is a game-changer in the field of electrical engineering. This innovative product uses top-quality insulation material to reliably seal the vacuum interrupter and the main loop conductive element, as well as the insulation support as a whole. The result is a product that boasts simple assembly, stable weight, high reliability, and strong environmental pollution tolerance.
This Embedded Pole is perfectly matched with relevant indoor and outdoor vacuum circuit breakers or vacuum distribution devices. It is especially useful in frequent operation places such as electric power, machinery, chemical industry, metallurgy, mining, and other departments. With a frequency of 50Hz/60Hz and rated voltage options of 12kV, 17.5kV, 24kV, 27.5kV, and 40.5kV, this product is versatile and can be used in a wide range of applications.  Meets or exceeds the requirement of IEC60694 and JB-T11203-2011.

The 24kv Advanced High Voltage Embedded Pole for Vacuum Circuit Breaker is a must-have for any industry that requires reliable and efficient electrical equipment. Its cutting-edge design and superior performance make it the perfect choice for those who demand the best. So why wait? Get your hands on this Embedded Pole today and experience the power of innovation!

Main technical parameter

Specification of VI

Parameter item	Unit	Data
Rated voltage	kV	24
Rated current	A	1250/1600
Rated frequency	Hz	50/60
Rated short-time power frequency withstand voltage(1min)	kV	65(79)
Rated lightning impulse withstand voltage	kV	125(145)
Rated short-circuit breaking current	kA	31.5
Rated short-time withstand current	kA	63
Rated peak withstand current	kA	63
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	210±50
Force required to hold contact open at full stroke	N	340±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	13±1
Average opening speed	m/s	1.40±0.2
Average closing speed	m/s	0.7±0.2
Rated contact pressure	N	3150±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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