Reed Relays and
Electronics India Limited
Manufacturer of Reed Switches, Reed Sensors and Reed-based products
Reed Relays and Electronics India Limited Incorporated in 1971

Actuation Distances for HW-5052-L Reed Switch

For easy selection of AT band and Magnet for an application, we offer Actuation distances for the HW-5052-L Reed Switch in full length and cropped 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 will produce similar actuating distances, selecting the right AT band and magnet for an application is important. The following links will help understand AT Bands, Magnet types, and Magnet Selection better. All distances given are in mm and standard tolerances of ±0.5 mm apply.

All distances given are in mm and standard tolerances of ±0.5 mm apply.

Actuation Distances for HW-5052-L Full Length Reed Switch

HW-5052 reed switch actuation distances
Magnet actuation direction

Operate Band 70-80 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 80-90 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 90-100 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 100-110 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 110-120 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Actuation Distances for HW-5052-H Full Length Reed Switch

HW-5052 reed switch actuation distances
Magnet actuation direction

Operate Band 70-80 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 80-90 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 90-100 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 100-110 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 110-120 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Actuation Distances for HW-5052-L Cropped Reed Switch

Cropped leads and magnet
Magnet actuation direction

Operate Band 70-80 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 80-90 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 90-100 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 100-110 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 110-120 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Actuation Distances for HW-5052-H Cropped Reed Switch

Cropped leads and magnet
Magnet actuation direction

Operate Band 70-80 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 80-90 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 90-100 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 100-110 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

Operate Band 110-120 (AT)

MagnetDimensionsOperate DistanceRelease Distance
NDR-T4.0 x 1.5 x 1.5
NDR-S6.0 x 2.5 x 2.5
NDR-M8.0 x 3.0 x 3.0
NDR-I12.0 x 3.5 x 3.5
NDR-L19.0 x 4.0 x 4.0
NDC-TØ2.0 x 4.0
NDC-SØ3.0 x 7.0
NDC-MØ4.0 x 10.0
NDC-IØ6.0 X 12.0
NDC-LØ8.0 x 15.0

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