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Switches - Rotary
NSF have been market leaders in the manufacture and supply of Rotary Wafer Switches for over 60 years. These robust, well proven products can be supplied with many different options, their versatility and reliability standing them in good stead for the demands of the 21st century.
- Multi Pole Multi Position Multi Function
- 8, 10, 12, 18, 24 and 36 Position Indexing
- Choice of Contact Material & Termination
- Switching Currents from µA to 6A
- Voltages up to 3KV
- Tactile, Robust & Reliable
- Coded Options
- Custom Design Capability
- Insulation Materials: DAP, Ceramic, SRDP
BSI Accreditation ISO9001:2008
Click on the logo to view or download our BSI Certificate of Registration
| Switch Type |
Space Envelope
Dia x Length
(+ per add wafer) |
Max Poles
Per Switch |
Indexing
Angles |
MaxPoles/Switching
per Wafer |
Rating |
PDF |
| MU-MA |
31 x 24
(+11) |
12 |
15º
30º
36º
45º
60º |
1 pole 2-24 ways
7 poles 2-12 ways
4 poles 2-10 ways
1 pole 2-8 ways
6 poles 2-6 ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
 |
| MU-MK |
40 x 24
(+13) |
12 |
30º
45º
60º |
7 poles 2-12 ways
1 pole 2-6 ways
6 poles 2-6 ways |
150mA @ 250Vac/dc
50mA @ 250Vdc
500mA @ 30Vdc/ac |
|
| MU-PCA |
37² x 28
(+8) |
12 |
60º
30º |
6 poles 2-6 Ways
4 poles 2-12 Ways |
150mA @ 250Vac |
|
| MU-MSD |
53 x 40
(+15) |
4 |
30º
60º |
4 poles 2-12 Ways
2 pole 2-6 ways |
6 Amps @ 250Vac |
 |
| UB-MK |
39 x 35
(+13) |
14 |
30º
60º |
7 poles 2-12 ways
6 poles 2-6 ways |
150mA @ 250Vac/dc
50mA @ 250Vdc
500mA @ 30Vdc/ac |
|
| UB-MM |
46 x 20
(+14) |
8 |
15º |
8 poles 2-24 ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
| UB-ML |
46 x 20
(+14) |
8 |
10º
20º |
1 pole 2-35 ways
8 poles 2-18 ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
| UB-MSD |
53 x 32
(+15) |
8 |
30º
60º |
4 poles 2-12 Ways
4 poles 2-6 Ways |
6 Amps @ 250Vac |
|
| SL-MA |
31 x 13
(+11) |
8 |
30º
36º |
7 poles 2-12 Ways
4 poles 2-10 Ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
| HD-MK |
26 x 39
(+13) |
20 |
30º
60º
90º |
7 poles 2-12 ways
6 poles 2-6 ways
4 poles 2-4 ways |
150mA @ 250Vac/dc
50mA @ 250Vdc
500mA @ 30Vdc/ac |
|
| HD-MSD |
32 x 53
(+15) |
12 |
30º
60º
90º |
4 poles 2-12 ways
4 poles 2-6 ways
2 poles 2-4 ways |
6 Amps @ 250Vac |
|
| J-MK |
18 x 40
(+13) |
10 |
30º
60º |
7 poles 2-12 ways
6 poles 2-6 ways |
150mA @ 250Vac/dc
50mA @ 250Vdc
500mA @ 30Vda/ac |
|
| J-MSD |
53 x 30
(+15) |
8 |
30º
60º |
4 poles 2-12 Ways
4 poles 2-6 ways |
6 Amps @ 250Vac |
|
| A-PCA |
37² x 18
(+8) |
10 |
30º |
4 poles 2-12 Ways |
150mA @ 250Vac |
|
| A-MA |
24 x 31
(+11) |
10 |
30º |
4 poles 2-12 Ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
TC
Ceramic |
90 x 67
(+35) |
4 |
30º |
1 pole 2-11 ways |
3KVdc.250mA
300VA @ 20MHz |
|
| MU- |
31 x 24 |
|
30º
36º
45º
60º |
Indexing Mechanism Only |
|
|
| UB- |
46 x 20 |
|
10º
15º
20º
30º
45º
60º |
Indexing Mechanism Only |
|
|
| SL- |
31 x 13 |
|
30º
36º |
Indexing Mechanism Only |
|
|
| HD- |
26 x 13 |
|
30º
60º
90º |
Indexing Mechanism Only |
|
|
| J- |
38 x 11 |
|
30º
60º |
Indexing Mechanism Only |
|
|
| A- |
25 x 7 |
|
30º |
Indexing Mechanism Only |
|
|
| -MA |
(+11) |
|
Wafer Only |
6 poles 2-6 ways
1 pole 2-8 ways
4 poles 2-10 ways
7 poles 2-12 ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
| -MK |
(+13) |
|
Wafer Only |
7 poles 2-12 ways6 poles 2-6 ways |
150mA @ 250Vac/dc
50mA @ 250Vdc
500mA @ 30Vdc/ac |
|
| -MM |
(+14) |
|
Wafer Only |
8 poles 2-24 ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
| -ML |
(+14) |
|
Wafer Only |
1 pole 2-35 ways
2 poles 2-17 ways
4 poles 2-8 ways
6 poles 2-5 ways
8 poles 2-3 ways |
50mA @ 300Vac/dc
500mA @ 30Vac/dc |
|
| -MSD |
(+15) |
|
Wafer Only |
4 poles 2-12 ways |
6 Amps @ 250Vac |
|
| -PCA |
(+8) |
|
Wafer Only |
2-12 poles ways |
150mA @ 250Vac |
|
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Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed venenatis lorem at velit cursus iaculis. Quisque dictum porta venenatis. Curabitur vulputate leo id eros sagittis eget posuere tellus sollicitudin. Sed venenatis blandit dapibus. Sed nec luctus quam. Nam malesuada, nisl sit amet luctus luctus, lorem est auctor enim, ut eleifend est sapien at dui. Cras semper tempor tempor.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Sed venenatis lorem at velit cursus iaculis. Quisque dictum porta venenatis. Curabitur vulputate leo id eros sagittis eget posuere tellus sollicitudin. Sed venenatis blandit dapibus. Sed nec luctus quam. Nam malesuada, nisl sit amet luctus luctus, lorem est auctor enim, ut eleifend est sapien at dui. Cras semper tempor tempor.
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