1492-SPM2C040

Overview of Allen-Bradley 1492-SPM2C040 Miniature Circuit Breaker

The Allen-Bradley 1492-SPM2C040 is a miniature circuit breaker designed for supplementary protection in industrial electrical systems. It is a 2-pole device with a C trip curve and a rated current of 4 A, intended for applications requiring UL1077 certification for supplementary protectors. The breaker is compact and suitable for DIN rail mounting in control panels.

Key Features of 1492-SPM2C040

• 2-pole miniature circuit breaker with trip curve C.
• Rated current: 4 A at 50/60 Hz.
• Voltage rating: 480Y/277V AC (UL/CSA) and 400V AC (IEC).
• Rated interrupting capacity: 10 kA (UL 489 standard).
• Designed for supplementary protection in electrical panels.
• Compact size: 88 mm height, 17.5 mm width, 70 mm depth.
• IP20 protection rating when mounted in enclosure.
• Red ON / Green OFF indicator window display.
• Durability: Over 20,000 mechanical operations.
• Operating temperature range: -25 to +55 °C.
• Meets UL, CSA, IEC standards and RoHS compliant.

Technical Specifications

Applications / Use Cases

The 1492-SPM2C040 miniature circuit breaker is suited for industrial control panels and machinery requiring supplementary protection from overloads and short circuits for circuits up to 4 A. It is typically used in motor control centers, automation systems, and general industrial electrical distribution.