Movable and static contacts for air circuit breaker internal main spare parts 2018-12-07T06:33:20+00:00

Project Description

Movable and static contacts for air circuit breaker internal main spare parts

Movable and static contacts for air circuit breaker internal main spare parts are to work with bus-bar and static contact is to work with contact point system for breaking and making of the circuit. The contact point is to be silver-coated for electric power system.

Technical parameters for air circuit breaker parts

Serial No. Material name 630 drawer type (common type) 630 fixed (ordinary type)) 630 fixed (lengthened)
3P(QTY) 4P(QTY) 3P(QTY) 4P(QTY) 3P(QTY) 4P(QTY)
1 Contact system (movable contact) 3 4 3 4 3 4
2 Bus-bar (static contact) 3 4 3 4 3 4
3 left Plywood (riveted) 3 4 3 4 3 4
4 Right Plywood (riveted) 3 4 3 4 3 4
5 Handle plate 1 1 1 1 1 1
6 Gasket (65 Manganese) 3 4 3 4 3 4
7 Washer (red cardboard) 12 16 12 16 12 16
8 Angle plate 2000A 3 4 3 4 3 4
9 Arc plate 2000A 3 4 3 4 3 4
10 Side panel(left) 0 0 1 1 1 1
11 Side panel(right) 0 0 1 1 1 1
12 Fixed hood 1 1 1 1
13 Pad (630A iron) 3 4 3 4 3 4
14 Hexagon nut (length 94) 4 6 4 6 4 6
15 Hexagon nut (short 35) 4 4 4 4 4 4
16 2000A splint shaft 10 * 77 3 4 3 4 3 4
17 Contact support pin 8 * 43.5 3 4 3 4 3 4
18 gear 1 1 1 1 1 1
19 Pawl 2 2 2 2 2 2
20 1.5 * 20 * 4 handle torsion spring 1 1 1 1 1 1
21 0.6 * 7 * 21 * 10.25 handle tension spring 2 2 2 2 2 2
22 0.8 * 4.25 * 36 * 25 Contact support spring 60 80 60 80 60 80
Note1:The difference between lengthened and ordinary type are only “contact system” and “busbar”, other parts are common;
Note2:Serial number “14” to serial number “22” as optional;
Note3:Drawer copper pieces are of common copper  / fixed copper pieces are divided into lengthened and ordinary type;

Dimension drawing for drawer type circuit breaker 

movable and static contacts for 630 drawer type circuit breaker

Contacts dimension drawing for fix type circuit breaker 

movable and static contacts for 1600A fix type circuit breaker

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