Omron D5B-1023 Limit Switch
Omron D5B-1023 is an M10 mechanical touch switch with a cone-shaped actuator for precise contact detection in compact industrial equipment. The pointed actuator provides a defined tactile contact point, while slow-action SPST-NC switching supports microloads from 1 mA at 5 VDC to 10 mA at 30 VDC. A 5 m oil-resistant cable supports remote installation, and IP67 protection helps the switch operate around dust, water, and oil. Its compact metal body suits robotics, inspection mechanisms, and small automation assemblies. The D5B-1023 belongs to the D5B Series within the precision touch switch range from Omron industrial sensing products for machine contact and position detection.

| Brand | Omron |
| Product | Limit Switch |
| Model Number | D5B-1023 |
Omron D5B-1023 Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Type | M10 |
| Shape Structure | Touch switches |
| Contact Configuration | SPST-NC |
| Electrical Ratings | 1 mA at 5 VDC to 10 mA at 30 VDC |
| Load | Resistive load |
| Actuator Detail | Plunger |
| Repeat Accuracy | Plunger |
| Material Housing | Metal |
| Ambient Temperature | Operating: -10 to 70 ℃ (with no icing) |
| Ambient Humidity | 35 to 95 % |
| Shock Resistance | Destruction: 1,000 m/s2 max. Malfunction: 300 m/s2 max. |
| Degree Of Protection | IP67 |
| Durability | Electrical: 5,000,000 operations min. (30 mA at 30 VDC) Mechanical: 10 million operations min. |
| Cable Specifications | Oil-resistant cable |
| Insulation Resistance | Between each terminal and non-live-metallic part: 100 MΩ min. (at 250 VDC) |
| Cable Length | 5 m |
| Dielectric Strength | Between each terminal of the same polarities: 250 VAC 50/60Hz 1 min (TTP) Between each terminal and non-live-metallic part: 1,000 VAC 50/60 Hz 1 min |
| Actuator | Cone-shaped |
| Vibration Resistance | Malfunction: 10 to 55 Hz, 1.5 mm double amplitude |
| Operating Mechanism | Slow action |
| Operating Speed | 5 to 500 mm/s |
| Operating Frequency | Mechanical: 120 operations/min. Electrical: 60 operations/min |
| Contact Resistance | 3.1 Ω max. |
The Omron D5B-1023 Limit Switch is an M10 mechanical touch switch with a cone-shaped actuator for precise contact detection in compact automation equipment. The pointed actuator provides a defined tactile contact location, while the slow-action SPST-NC contact supports resistive microloads from 1 mA at 5 VDC to 10 mA at 30 VDC. Operating speed ranges from 5 to 500 mm/s, supporting varied target movement. A 5 m oil-resistant cable provides a prewired connection for remote installation, while the metal housing and IP67 protection help the switch operate around dust, water, oil, and other factory contaminants.
Mechanical durability is specified at 10 million operations minimum, while electrical durability reaches 5 million operations minimum. Contact resistance is 3.1 Ω maximum, and insulation resistance is 100 MΩ minimum at 250 VDC between each terminal and non-live metallic parts. The D5B-1023 operates from -10 to 70°C with 35 to 95% relative humidity. Destructive shock resistance reaches 1,000 m/s² maximum and malfunction shock resistance reaches 300 m/s² maximum. Malfunction vibration resistance covers 10 to 55 Hz at 1.5 mm double amplitude. These characteristics suit signal-level contact sensing where compact size, a defined cone-shaped contact point, and long cable reach are important. For a related M10 D5B model using a hemispheric actuator, see the D5B-1015 model.


