Overview
The Omron ER1032-042NEL cable pull safety switch is an industrial-grade rope pull emergency stop device designed for critical safety applications. Part of Omron’s STI ER Series, this switch provides comprehensive emergency stopping capability across extended rope spans, making it ideal for conveyor systems, processing lines, and hazardous machinery installations where operator access spans 200 meters or more.
Key Features
- 4 Normally Closed (NC) safety contacts + 2 Normally Open (NO) auxiliary contacts for flexible safety circuit design
- 200-meter maximum rope span capacity (100 meters in each direction)
- Integrated 24VDC LED indicator beacon with status indication (constant green = normal, flashing red = tripped)
- Integrated E-stop button on the switch body for local emergency stopping
- Built-in tension indicator for simplified setup and maintenance
- IP67 (NEMA 6) rated enclosure withstands water washdown and harsh outdoor environments
- UV-inhibited rubber bellows suitable for long-term outdoor exposure
- Snap-acting contact design prevents nuisance trips from vibration
- Die-cast aluminum housing with yellow finish for high visibility
Technical Specifications
- Contact Configuration: 4NC + 2NO
- Supply Voltage: 24VDC (for indicator beacon)
- Rated Current: 6A @ 120VAC, 3A @ 240VAC, 2.5A @ 24VDC
- Maximum Switching: 240V / 720VA
- Minimum Switching Current: 5mA @ 5VDC
- Operating Temperature: -10°C to +80°C
- Enclosure Rating: IP67 (NEMA 6)
- Dimensions: 327 mm L × 100 mm W × 96 mm D
- Weight: 4.0 lbs (1.8 kg)
- Mounting: 4 × M5 screws
- Conduit Entry: 1/2″ NPT (4 terminals)
- Mechanical Life: 1,000,000 operations
- Certifications: UL, cUL, CE
- Series: ER1032
- Housing Material: Die-cast aluminum
Typical Applications
The Omron ER1032-042NEL is commonly deployed in:
- Long-run conveyor systems requiring emergency stop along the full length
- Processing and packaging machinery with extended operating zones
- Hazardous area installations requiring certified safety stopping
- Mining, aggregate, and material handling operations
- Printing, textile, and chemical processing facilities
- Outdoor installations where weather and UV exposure are factors
Compatibility & Replacements
Compatible With
- Safety relay modules and safety PLCs accepting 4NC + 2NO switch contacts
- 24VDC or 120VAC control circuits with indicator beacon capability
- Industrial automation controllers requiring dual-contact safety circuits
- Systems compliant with IEC 61508 and ISO 13849 safety standards
Replaces / Drop-In Replacement For
- Omron STI 44506-7420 (exact match part number variant)
- Other models in the Omron ER family with different rope span requirements: ER5018 (30m), ER6022 (80m)
Works With
- Omron safety relay modules and G9SA series safety controllers
- Standard industrial 24VDC and 120VAC control circuits
- Both programmed safety interlocks and hardwired safety circuits
- Conventional pushbutton and indicator beacon stations
