1492-SPM1B040
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Overview of Allen-Bradley 1492-SPM1B040
The Allen-Bradley 1492-SPM1B040 is a 1-pole miniature circuit breaker (MCB) with a 4 ampere current rating and a type B trip curve. Designed for supplementary protection in industrial and commercial control panels, it provides reliable and fast circuit interruption for overload and short circuit conditions. The breaker is DIN rail mountable with screw terminal connections.
Key Features of Allen-Bradley - 1492-SPM1B040
- Current Rating: 4 A rated at 30°C
- Poles: 1 pole
- Trip Curve: Type B, trips between 3–5 times rated current
- Rated Voltage: 277 V AC, 48 V DC
- Breaking Capacity: 15 kA RMS symmetrical
- Mounting: DIN rail for easy panel integration
- Terminal Type: Screw type terminals with dual wiring capability
- Certifications: UL, CSA, CE, RoHS, VDE, CCC
- Operating Temperature: -25°C to +55°C
Technical Specs of 1492-SPM1B040
| Number of Poles | 1 |
| Current Rating | 4 A |
| Trip Curve | Type B (3–5× In) |
| Rated Voltage | 277V AC, 48V DC |
| Breaking Capacity | 15 kA RMS |
| Mounting | DIN Rail |
| Terminal Type | Screw |
| Operating Temperature | -25°C to 55°C |
| Certifications | UL, CSA, CE, RoHS, VDE, CCC |
Applications / Use Case
The 1492-SPM1B040 is used for supplementary protection of electrical circuits in automation control panels, protecting wiring and components from overload and short circuits. It is suitable for light inductive loads such as control circuits and small motors. Its compact size and DIN rail mounting make it ideal for modern industrial panel configurations.
Allen-Bradley's global certifications and quality manufacturing ensure dependable and safe circuit protection in diverse environments.
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