Vacuum Interrupter for Contactor (905A)

• Electricity Type: AC
• Number of Pole: 3
• Phase: 3
• Main Circuit Rating Voltage: 3600V
• Main Circuit Rating Current: 630A
• Type: Ac Contactors
• Model NO.: 905A
• Warranty: 12 Month
• Rated Voltage: 3.6kv
• Rated Current: 630A
• Rated Lighting Impulse Withstand Voltage: 40kv
• Rated Short-Circuit Braking Current: 20ka
• Transport Package: Standard Export Packing.
• Specification: Vacuum
• Trademark: ZGVE
• Origin: Wenzhou
• HS Code: 8538900000
• Production Capacity: 180000pieces/Year

Product Description

Dears
Welcome to Yuguang Tec Co.,Ltd
Data sheet is as following :

Vacuum Interrupter For Contactor (905A)












Main Technical Data

Main Technical Data
Rated Voltage	3.6kV
Rated Current	250/400/630A
Rated Frequency	50Hz
Rated Short-time power frequency withstand voltage(1min)	21kV
Rated Lighting impulse withstand voltage	40kv
Rated short-circuit making current	2.5/4.0/6.3KA
Rated max breaking current	2.0/3.2/5.0kA
Rated min breaking current	50/80/125A
Rated limit making current	2.5/4.0/6.3kA
Rated short-time withstand current	2.5/4.0/6.3KA
Rated duration of short-circuit	4S
Mechanical life	30x10times
Elecrticity life AC-3	25x10times
Elecrticity life AC-4	10x10times
Rated contact stroke	3±0.5mm
Contact closing force due to bellows and atmosphere	70±30N
Counterforce at rated contact stroke	110±40N
Contact erosion limit	3mm
Weight of moving parts	≤0.7kg
Mechanical Data Required for matched vacuum switchgear
Rated contact stroke	9±1mm
Average opening speed	1.0±0.2m/s
Average closing speed	0.65±0.2m/s
Added contact force	700/900±50N
Contact bouncing duration at closing operation	≤2ms
Contact bouncing bank amplitude of opening operation	≤2mm
Three-pole simultaneity	≤1ms

Dimensional Drawing