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Surplus Original Packaging

Allen-Bradley 1492-SPM1B030 Miniature Circuit Breaker 1p 3a Amp 277v-ac 1492SPM1B030

Includes PLG Automations 1-Year Warranty
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Disclaimer: PLG Automation sells surplus, refurbished, & used items and is not an authorized distributor for the brands listed. Our products come with PLG Automation's 1-year warranty, not the original manufacturer's warranty. Trademarks and brands mentioned belong to their respective owners; the website is not endorsed by any manufacturer.
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Product Description


The Allen-Bradley Allen-Bradley 1492-SPM1B030 Miniature Circuit Breaker 1p 3a Amp 277v-ac (1492-SPM1B030) is an advanced solution for optimizing industrial automation. Engineered for reliability and efficiency, it supports seamless connectivity and real-time data processing. Its versatile design makes it ideal for use in power management, process automation, and high-speed production lines.



Technical Specifications


  • Manufacturer: Allen-Bradley
  • Part Number: 1492-SPM1B030
  • Product Type: Miniature Circuit Breaker (MCB)
  • Number of Poles: 1
  • Rated Current: 3 A
  • Trip Curve: B (3–5 times In)
  • Rated Voltage: 277 V AC / 48 V DC
  • Frequency: 50/60 Hz
  • Breaking Capacity (Icu): 15 kA at 230 V AC
  • Impulse Withstand Voltage (Uimp): 4 kV
  • Dielectric Strength: 2 kV (50/60 Hz, 1 min)
  • Electrical Life: 20,000 cycles
  • Mechanical Life: 20,000 cycles
  • Degree of Protection: IP40 (front), IP20 (terminals)
  • Mounting: 35 mm DIN rail
  • Terminal Capacity: 1–35 mm² (solid), 1–25 mm² (flexible)
  • Tightening Torque: 2.8 Nm
  • Operating Temperature: -25°C to +55°C
  • Weight: Approximately 0.12 kg
  • Dimensions (HxWxD): 80 mm x 17.5 mm x 67 mm
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