IMO Technical Brochure

Leaders in Solar Safety
14
Type SI16 SI25 SI32 SI38 SI40 SI55 SI65
4T / 4B / 4S 2x SIV-B1-1N 2x SIV-B1-2N 2x SIV-B2-2N
2H 4x SIV-B1-1N 4x SIV-B2-1N
4H 8x SIV-B1-1N, 2x SIV-B1-2N 8x SIV-B2-1N, 2x SIV-B2-2N
Switching Congurations
Type 2-pole 2-pole
4 parallel poles
4-pole 4 poles in series
Input on top Output
bottom
4 poles in series
Input and Output
bottom
4 poles in series
Input and Output on top
SI16 2 2H 4 4S 4T 4B
SI25 2 2H 4 4S 4T 4B
SI32 2 2H 4 4S 4T 4B
SI38 2 2H 4 4S 4T 4B
SI40 2 2H 4 4S 4T 4B
SI55 2 2H 4 4S 4T 4B
SI65 2 2H 4 4S 4T 4B
Contact
Wiring
Diagram
Switching
Example
2 4
1 3
+ -
2 4
1 3
6 8
5 7
+ -
2 4
1 3
6 8
5 7
+ -- +
2 4
1 3
6 8
5 7
+ -
2 4
1 3
6 8
5 7
+ -
2 4
1 3
6 8
5 7
+ -
Type 6-pole
2-pole
6 parallel poles
8-pole
2-pole
8 parallel poles
SI16 6 3H 8 4H
SI25 6 3H 8 4H
SI32 6 3H 8 4H
SI38 6 3H 8 4H
SI40 6 3H 8 4H
SI55 6 3H 8 4H
SI65 6 3H 8 4H
Contacts
Wiring
Diagram
Switching
example
2 4
1 3
6 8
5 7
2 4
1 3
2 4
1 3
6 8
5 7
2 4
1 3
2
1
4
3
6
5
8
7
4
3
6
5
8
7
2
1
2
1
4
3
6
5
8
7
4
3
6
5
8
7
2
1
+ - + - + -
+
-
+ + + +- - - -
+
-
Insulated Jumper for series and parallel switching of contacts
WARNING: Verify that all connections (including bridging link connections) are suitable for the rated current, prepared to
ensure only conductive parts are clamped and tightened to the manufacturer’s required torque before engerisation.
SIV-B1-1N