Omron D4B-4115N Safety Limit Switch SPDT Metal Enclosure
SKU: D4B-4115NUSD 22.00
Omron D4B-4115N is a safety limit switch with SPDT contacts, metal enclosure, IP67 protection for machine safety interlocks.
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Product Overview
The D4B-4115N delivers durable mechanical switching for travel limit and interlock detection tasks in production machinery. Roller lever actuation supports smooth engagement with moving parts and cams. Its IP67 rating makes it suitable for dusty and wet environments where reliable position feedback is essential to safe, consistent machine operation.
- SKU: D4B-4115N
- Series: D4B
Best-Fit Applications
- Detecting conveyor stop and end positions
- Monitoring safety-relevant mechanism travel points
- Providing interlock signals to control logic
- Replacing worn switches in production lines
- Standardizing roller lever limit switches across equipment
- Improving position feedback reliability in harsh zones
Buying Checklist
- Rugged IP67 design supports long service life
- Roller lever format integrates well with moving mechanisms
- Dependable choice for repetitive limit detection
- Strong fit for conveyor and machine safety tasks
- Useful maintenance spare for common industrial switch points
Technical Specifications
| Model | D4B-4115N |
|---|---|
| Series | D4B |
| Type | Safety Limit Switch |
| Contact Form | SPDT (1NC + 1NO) |
| Contact Rating | 5A at 250VAC (AC-15) |
| Enclosure | Die-cast aluminum |
| Direct Opening | Yes (NC contacts) |
| Protection Rating | IP67 |
| Operating Temperature | -25 to +70°C |
| Actuator Type | Roller plunger |
| Conduit Size | G1/2 or 1/2-14NPT |
| Safety Category | Category 3, PL d (when properly applied) |
| Certifications | CE, TUV, UL, CSA |
Resources & Downloads
FAQ for D4B-4115N
What safety rating does this switch provide?
When used in properly designed safety circuit, achieves Category 3, PL d per ISO 13849-1. Direct opening action ensures safety even if contacts weld.
What's direct opening action?
NC contacts opened by direct mechanical force from actuator, not by spring. Even if contacts weld, actuator physically forces them open. Required for safety applications.
What applications use D4B series?
Machine guard interlocks, safety gate monitoring, emergency stop circuits. Any application requiring certified safety interlock.
Can this switch be used outdoors?
Yes, IP67 rating and metal enclosure suit outdoor use. Protect conduit entries from moisture.
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