SKU: D4N-112G
Omron D4N-112G Safety Limit Switch 1NC+1NO IP67 Plastic Housing
Omron D4N-112G is a safety limit switch with 1NC+1NO contacts, IP67 protection, direct opening action for machine safety interlock applications.
USD 14.00 per unit, volume discounts available
- In stock, ships in 24h
- 100% genuine Omron
- 1-year manufacturer warranty
- Worldwide delivery
Key Features
- Safety limit switch function for machine interlock feedback
- Snap-action contact behavior for clear switching response
- IP67 protection for harsh industrial environment durability
- Suitable for guard doors and mechanical position monitoring
- Supports reliable safety-related status detection
- Practical choice for OEM and retrofit safety applications
Rugged Mechanical Safety Position Detection for Guarding Systems
The D4N-112G provides reliable mechanical position confirmation in machine safety and interlock circuits. It is used on guard doors, moving mechanisms, and access points where clear snap-action switching is required. Its IP67 protection supports use in industrial environments exposed to dust and moisture, making it suitable for long-term safety monitoring duties.
Typical Applications
- Monitoring guard door closed status
- Detecting end-position in safety-relevant mechanisms
- Providing interlock feedback in machine safety circuits
- Replacing worn safety limit switches in service intervals
- Standardizing safety switch hardware across equipment lines
- Supporting compliance-focused machine guarding design
Buying Checklist
- Robust IP67 design for demanding plant conditions
- Snap-action switching provides dependable feedback behavior
- Good fit for safety interlock and guarding circuits
- Practical maintenance replacement for installed machine fleets
- Reliable component for long-term safety architecture
Technical Specifications
| Model | D4N-112G |
|---|---|
| Series | D4N |
| Type | Safety Limit Switch |
| Contact Form | 1NC + 1NO (slow make/slow break) |
| Contact Rating | 5A at 250VAC (AC-15) |
| Enclosure | Plastic (PBT) |
| Direct Opening | Yes (NC contacts) |
| Protection Rating | IP67 |
| Operating Temperature | -25 to +70°C |
| Actuator Type | Roller lever |
| Mechanical Life | 5 million operations |
| Conduit Size | G1/2 |
| Safety Category | Category 3, PL d |
| Certifications | CE, UL, CSA, CCC |
Frequently Asked Questions
Why choose plastic housing over metal?
Plastic housing offers: lower cost, lighter weight, no corrosion, electrical isolation. Metal housing offers: better mechanical protection, higher temperature resistance, better EMI shielding. Choose based on environment and budget.
What does 1NC+1NO mean for safety applications?
1NC (normally closed) for safety circuit - opens when actuated. 1NO (normally open) for indication/monitoring - closes when actuated. Use NC for safety function, NO for status indication to PLC/HMI.
How do I verify the safety function is working?
Regularly test safety circuit per machine safety requirements. Actuate switch and verify machine stops. Check NC contact continuity. Document all tests. Frequency depends on risk assessment (typically monthly to annually).
Can this switch be used for emergency stop?
No, D4N is a position/safety interlock switch, not an emergency stop device. For emergency stop, use dedicated E-stop buttons (mushroom head, latching, direct opening) per IEC 60947-5-5.
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