Omron D4C-3232 Limit Switch
Omron D4C-3232 is a general-purpose limit switch with a sealed stainless steel roller plunger for repeatable position detection in industrial machinery. The rolling actuator suits cams, slides, and workpieces that pass across the switch, while the sealed construction helps protect the mechanism from dust, moisture, and factory contaminants. Its SPDT contact form supports changeover switching for general control loads, with a 4 A at 30 VDC rating. IP67 protection supports demanding automation environments. The D4C-3232 belongs to the D4C Series within the sealed roller plunger switch range from Omron industrial control products for reliable travel and end-position sensing.

| Brand | Omron |
| Product | Limit Switch |
| Model Number | D4C-3232 |
Omron D4C-3232 Limit Switch – Technical Specifications
| Specification | Value |
|---|---|
| Shape Structure | General-purpose Limit switches |
| Ctuator | Sealed roller plunger 12 dia. x 4.4 Sintered stainless steel roller |
| Contact Form | SPDT |
| Electrical Ratings | 4 A at 30 VDC |
| Load | General load |
| Inrush Current | NC: 20 A max. NO: 10 A max. |
| Ambient Temperature | Operating: -10 to 70 ℃ (with no icing) |
| Ambient Humidity | 35 to 95% RH |
| Pollution Degree | 3 (EN60947-5-1) |
| Shock Resistance | Destruction: 1,000 m/s 2 max. Malfunction: 500 m/s 2 max. |
| Classification Of Protection Against Electric Shock | Class I (with earth wire) |
| Degree Of Protection | IP67 |
| Insulation Resistance | 100 MΩ min. (at 500 VDC) |
The Omron D4C-3232 Limit Switch uses a sealed roller plunger with a 12 mm × 4.4 mm sintered stainless steel roller for repeatable machine position detection. The rolling actuator suits cams, slides, workpieces, and other moving parts that pass across the sensing point, while the sealed construction helps protect the actuator mechanism in demanding factory environments. Its SPDT contact form provides changeover switching for general control loads, with a 4 A at 30 VDC rating. Inrush current capability reaches 20 A maximum on the NC side and 10 A maximum on the NO side. IP67 protection supports installations exposed to dust, water, and industrial contaminants.
The D4C-3232 operates from -10 to 70°C with 35 to 95% relative humidity and is specified for pollution degree 3 under EN 60947-5-1. Insulation resistance is 100 MΩ minimum at 500 VDC. Destructive shock resistance reaches 1,000 m/s² maximum, while malfunction shock resistance reaches 500 m/s² maximum. The switch is Class I with an earth wire, supporting grounded machine installations. Its sealed roller actuator, SPDT switching, and compact D4C construction make it suitable for repeated travel and end-position detection on automated equipment. The rolling contact is especially useful where targets move across the actuator face. For another D4C model with a sealed roller plunger and a 5 m oil-resistant cable, see the D4C-2332 model.


