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Allen-Bradley 1492-SPM1C300 - Molded Case Circuit Breaker 30A

Allen-Bradley
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Allen-Bradley 1492-SPM1C300 is a 1-pole miniature supplementary circuit breaker designed for overcurrent protection in industrial control circuits and small transformers. It is rated for 30A at 277V AC and 48V DC with a 10kA interrupting capacity, featuring a C trip curve to handle medium inrush currents. The molded case breaker weighs 5.19 lb and mounts on DIN rails, with a compact footprint of 88 x 69 x 17.5 mm and a red/green status indicator for ON/OFF visibility. It complies with UL1077, UL, CSA, and IEC 60947-2 standards for reliable performance in demanding environments. Typical applications include protection of control circuits, lighting, pilot devices, and small transformers in industrial automation systems.

Key Features & Specifications
  • Type: Molded Case
  • Amperage: 30A
  • Voltage Rating: 277V AC, 48V DC
  • Poles: 1
  • Trip Curve: C
  • Interrupt Rating: 10 kA
  • Mounting Type: DIN Rail
  • Certifications: UL1077, UL, CSA, IEC 60947-2
  • Indicator: Red = ON, Green = OFF
  • Dimensions: 88 x 69 x 17.5 mm
  • Weight: 5.19 lb


1492-SPM1C300