Omron D4MC-2020 Limit Switch
Omron D4MC-2020 is a compact limit switch with a hinge roller lever using a stainless steel lever and 12.7 mm × 7.5 mm plastic roller for mechanical position detection. The hinged roller actuator suits cams, slides, conveyors, and moving machine parts that sweep across the sensing point, providing smooth actuation over a wider approach path. Its SPDT contact form supports changeover switching for general loads, while IP67 protection and operation from -10 to 80°C suit industrial environments. The D4MC-2020 belongs to the D4MC Series within the hinge roller lever limit switch range from Omron machine control products for dependable machine position and travel sensing.
| Brand | Omron |
| Product | Limit Switch |
| Model Number | D4MC-2020 |
Omron D4MC-2020 Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Ctuator | Hinge roller lever 12.7 dia. x 7.5 Stainless steel lever, Plastic roller |
| Contact Form | SPDT |
| Frequency | 50/60 Hz |
| Load | General load |
| Ambient Temperature | Operating: -10 to 80 ℃ |
| Ambient Humidity | 35 to 95% RH |
| Pollution Degree | 3 (IEC947-5-1) |
| Shock Resistance | Destruction: 1,000 m/s 2 max. |
| Degree Of Protection | IP67 |
| Contact Resistance Initial Value | 15 mΩ max. |
| Durability | Electrical: 500,000 operations min. Mechanical: 10 million operations min. |
| Insulation Resistance | 100 MΩ min. (at 500 VDC) |
The Omron D4MC-2020 Limit Switch uses a hinge roller lever with a stainless steel lever and a 12.7 mm × 7.5 mm plastic roller for mechanical position detection. The hinged roller arrangement suits cams, slides, conveyors, and moving machine parts that sweep across the actuator, providing smooth contact over a wider approach path than a direct plunger. Its SPDT contact form supports changeover switching for general loads at 50/60 Hz. IP67 protection helps the switch withstand dust, water, and common factory contaminants, while operation from -10 to 80°C supports varied industrial environments and repeated machine cycles.
The D4MC-2020 provides at least 10 million mechanical operations and 500,000 electrical operations, supporting long-term use in frequently actuated machinery. Initial contact resistance is 15 mΩ maximum, and insulation resistance is 100 MΩ minimum at 500 VDC. The switch operates with 35 to 95% relative humidity and is specified for pollution degree 3 under IEC947-5-1. Destructive shock resistance reaches 1,000 m/s² maximum. These characteristics support compact hinge roller-lever sensing where SPDT switching, sealed construction, and a broad target approach path are required. The stainless steel lever provides structural support while the plastic roller provides smooth mechanical contact. For a closely related D4MC hinge roller-lever configuration from the same family, see the D4MC-2000 model.
