Rockwell Automation 140U-N-U Circuit-Breaker Accessory
About Stoker Automation Technology: With 20+ years of industrial automation expertise, we maintain a 5000m² warehouse stocked with 10,000+ industrial components. Serving metallurgy, oil/gas, power generation, automotive and 15+ other critical industries worldwide.
Engineered for demanding industrial environments, the Rockwell Automation 140U-N-U Circuit-Breaker Accessory delivers fail-safe short-circuit protection for electrical control systems. This UL-certified component ensures operational continuity by preventing catastrophic equipment damage during overload scenarios.
Technical Specifications
- Manufacturer: Rockwell Automation
- Model: 140U-N-U
- Type: Circuit-Breaker Accessory
- Voltage Rating: 690V AC
- Current Rating: 32A
- Protection Class: IP20
- Dimensions: 100×50×20 mm
- Certifications: CE, UL, RoHS
Operational Advantages
- Seamless Integration: Direct compatibility with Rockwell Automation control systems minimizes installation downtime
- Robust Construction: Industrial-grade materials withstand extreme temperatures (-25°C to +70°C) and vibration
- Precision Protection: 5ms response time prevents arc flash incidents and equipment damage
- Maintenance Efficiency: Tool-free installation reduces service interruptions by 40%
Professional Support
All Rockwell components include our exclusive 2-year performance warranty. Our engineers provide:
- Pre-sales technical consultation for system integration
- 24-hour emergency replacement service
- On-site troubleshooting support (available in 15 countries)
Can’t find your required model? Contact our specialists via WhatsApp for immediate assistance with obsolete or hard-to-find components.








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