embedded poles

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Insert
• Structure: ACB
• Model NO.: VEP426A
• Poles Number: 2
• Type: Circuit Breaker
• Function: Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Wooden Pallet, Carton and So on
• Trademark: feite
• Origin: Wuahn China
• Production Capacity: 100000 Piece Per Year

Product Description

Main Technical Data
Rated voltage	kv	24
Rated current	A	1250/1600
Rated frequency	Hz	50
Rated short-circuit breaking current	kA	25/31.5
Operations of short-circuit breaking current interruption	times	50
Rated short-circuit making current	kA	63/80
Rated short-time withstand and current(4s)	kA	25/31.5
Rated single capacitor bank breaking current	A	630
Rated back-to-back capacitor bank breaking current	A	400
Short-time(1min) power-frequency withstand voltage	kv	79
Rated lighting impulse withstand voltage(peak)	kv	145
Machanical life	times	30000
Contact closing force due to bellows and atmosphere	N	120±50
Counterforce at rated contact force	N	200±50
Circuit resistance at rated contact force	μΩ	≤20
Shelf life	years	20
Part discharge	pc	≤5
Rated operating sequence		0-0.3-CO-180s -CO
Mechanical Data of Circuit-Bearking Equipped with the Interrupters
Contact erosion limit	mm	3
Rated contact stroke	mm	13±1
contac connection stroke	m/s	4±1
Average opening speed	m/s	1.3±0.2
Average closing speed	m/s	0.6±0.2
Added contact force	N	2500/3150±200
Bounce duration of contact closing	ms	≤2
Out of simultaneity of contact closing and opening	mm	≤1
Max.overtravel	ms	≤2