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1492-SPM1B030
1492-SPM1B030
Manufacturer: ALLEN BRADLEY
Condition: New and Unused, Surplus.
Price:
Available on Request
Overview of Allen Bradley 1492-SPM1B030
The Allen Bradley 1492-SPM1B030 is a single-pole supplementary circuit breaker engineered for reliable overcurrent protection in industrial control panels and machinery. This miniature circuit breaker features a 3-amp rating with Trip Curve B characteristics, making it suitable for loads with moderate inrush currents. Rated for 277V AC and 48V DC operation, the device provides 15 kA breaking capacity to safely interrupt fault currents. The compact DIN rail-mountable design integrates easily into existing panel layouts while maintaining IP20 finger-safe protection on all sides. Manufactured to meet UL 489, CSA C22.2 No. 5.1, EN 60947-2, and GB 14048.2 standards, this circuit breaker is UL Listed, CSA Certified, CE Marked, VDE Certified, CCC Certified, and RoHS compliant. The dual terminal configuration accommodates wire sizes from 18 to 4 AWG, with a tightening torque specification of 2.8 N•m per IEC requirements. Designed for ambient temperatures ranging from -25°C to +55°C, the 1492-SPM1B030 delivers consistent performance across demanding manufacturing and process environments.Key Features of Allen Bradley 1492-SPM1B030
- 3-amp rated current with Trip Curve B for moderate inrush protection
- Single-pole configuration for compact panel installation
- 277V AC / 48V DC rated voltage with 15 kA breaking capacity
- DIN rail mounting with IP20 finger-safe terminal design
- Dual terminals accept 18-4 AWG solid or stranded wire
- RoHS compliant and fully recyclable construction
- Wide ambient temperature range: -25°C to +55°C
- UL, CSA, CE, VDE, CCC certified for global applications
Technical Specs of 1492-SPM1B030
| Rated Current | 3 A |
| Number of Poles | 1 |
| Trip Curve | B |
| Rated Voltage (AC) | 230V (1-pole), 400V (2-, 3-pole) |
| Rated Voltage (DC) | 48V (1-pole) |
| Breaking Capacity (Icu) | 15 kA |
| Wire Size Range | 18-4 AWG (front/back terminal) |
| Tightening Torque | 2.8 N•m (IEC) |
| Operating Temperature | -25°C to +55°C |
| Standards Compliance | UL 489, CSA C22.2 No. 5.1, EN 60947-2, GB 14048.2 |
Applications / Use Case
The Allen Bradley 1492-SPM1B030 serves critical protection functions in industrial control cabinets, machine tool electrical enclosures, and automated production lines. Its 3-amp rating makes it ideal for protecting control circuits, pilot devices, indicator lights, small motors, solenoid valves, and low-power instrumentation. The Trip Curve B characteristic responds effectively to resistive and inductive loads with typical starting currents up to 3-5 times the rated value. Machine builders frequently deploy this circuit breaker in packaging equipment, conveyor systems, robotic cells, and process control panels where individual circuit protection is required. The single-pole configuration allows precise isolation of specific circuits during maintenance without disrupting adjacent loads. Compatible with UL 508 Listed bus bars and standard DIN rail accessories, the 1492-SPM1B030 integrates seamlessly into modular panel designs. Its compact footprint conserves valuable enclosure space while maintaining full compliance with North American, European, and Chinese electrical standards. The device withstands harsh industrial environments including temperature extremes, mechanical vibration up to 5g, and damp heat conditions per IEC 60068-2-30.Related Resources
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