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1SCC301001C0201
4
4/59 switchgear
ABB Low Voltage Industrial Products 0312
Switch fuses accessories
Auxilliary contacts
Auxiliary contacts for OS32G ... 1250
Mounting on the left side of the switch: Max. 8 auxiliary contact blocks with the OEA28 module.
Mounting under the mechanism cover: - OS200...250: Max 4 test contacts or 2 test contacts + 2 test indication contacts.
- OS315...400: Max 4 test contacts and 4 test indication contacts. The test contacts can be used as standard auxiliary
contacts as well. Auxiliary contacts for 3 + N types only with the OEA28 module.
Product Hierarchy 2100004
Description
Order Code
Price
Module for auxiliary contacts screw mounting to the left side of the switch
OEA28
10.20
1 NO contact block
OA1G10
5.89
1 NC contact block
OA3G01
5.89
OA_G_
OEA28
S00261A
S01641A
Auxiliary contacts for OS32G ... 1250
The “test” contacts operate in ON- and OFF-positions as well as when the handle is turned to TEST
position = 45 degrees over the OFF-position. The “test indication” contacts operate only when the handle
is turned to TEST-position. See the function table below. The OA1G10 (N.O.) or OA3G01 (N.C.) auxiliary
contact blocks can be used as standard auxiliary contacts, “test” or “test indication” contacts. The
desired functions are achieved when an auxiliary contact block is installed in a specific place shown in
the mounting instruction. In order to activate the “test” and “test indication” features a handle with test
function is required.
Function table of OS32G…1250 auxiliary contacts
Handle position
Main contacts
Aux./Test contacts N.O.
Test indication contacts
N.O.
Test
open
closed
closed
0
open
open
open
I
closed
closed
open
Maximum number of contact blocks, “Aux./test” contacts and “test indication” contacts, see the table
below. Standard versions include all except for N3-types which are equipped with integrated neutral
through the mechanism.
Maximum number of auxiliary contacts under the mechanism cover
Pole version
Standard
N3
Standard
N3
Standard
N3
Maximum number of contact blocks
4
0
8
4
12
8
Aux./Test contacts
4
0
4
2
8
1)
6
2)
Test indication contacts
2
0
4
2
4
2
OS 30...60
OS 100...200
S01162A
S01160A