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Magnet Actuation Direction
Magnet Actuation Direction
Magnet Actuation Direction
Magnet Actuation Direction
For easy selection of AT band and Magnet for an application, we offer Actuation distances for the RM-1318 Reduced Miniature Reed Switch in cropped, SMD, Horizontal Mount and Vertical Mount formations. The various combinations of standard AT Bands and magnets are covered, from the lower AT bands to the higher AT bands. Each AT band lists distances when actuated with our standard magnets. Although some of the AT band / magnet combinations of the RM-1318 will produce similar actuating distances, selecting the right AT band and magnet for an application is important. Our Usage Notes below addresses these topics.
All distances given are in mm and standard tolerances of ±0.5 mm apply.
Actuation Distances for Cropped Leads
Operate Band 10-20 (AT)
Operate Band 20-30 (AT)
Operate Band 30-40 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Actuation Distances for SMD Formed Leads
Operate Band 10-20 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Operate Band 20-30 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Operate Band 30-40 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Actuation Distances for Horizontal Mounting on PCBs
Operate Band 10-20 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Operate Band 20-30 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Operate Band 30-40 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Actuation Distances for Vertical Mounting on PCBs
Operate Band 10-20 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Operate Band 20-30 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
Operate Band 30-40 (AT)
| Magnet | Dimensions | Operate Distance | Release Distance |
| NDR-T | 4.0 x 1.5 x 1.5 | ||
| NDR-S | 6.0 x 2.5 x 2.5 | ||
| NDR-M | 8.0 x 3.0 x 3.0 | ||
| NDR-L | 19.0 x 4.0 x 4.0 | ||
| NDC-T | Ø2.0 x 4.0 | ||
| NDC-S | Ø3.0 x 7.0 | ||
| NDC-M | Ø4.0 x 10.0 | ||
| NDC-L | Ø8.0 x 15.0 |
