1492-SPM3D100

Overview of Allen Bradley 1492-SPM3D100

The Allen Bradley 1492-SPM3D100 is a 3-pole supplementary protector designed to provide reliable circuit protection in industrial applications. Manufactured by Rockwell Automation, this compact miniature circuit breaker supports a 10 Amp rating and features a Type D trip curve, making it suitable for handling high inrush currents. It is built to meet international standards including CCC, CE, CSA, and UL, ensuring compliance with safety and quality requirements. The 1492-SPM3D100 is ideal for protecting control circuits and sensitive equipment where precise tripping characteristics are necessary to prevent overload damage without nuisance trips. Its slim profile and efficient design allow easy integration into control panels and machinery environments.

Key Features of Allen Bradley 1492-SPM3D100

• 3-pole configuration for comprehensive three-phase circuit protection
• 10 Amp rated current capacity accommodating a range of control applications
• Type D trip curve designed for applications with high inrush currents
• Complies with CCC, CE, CSA, and UL international safety standards
• Compact dimensions: 88 mm height, 69 mm depth, and 17.5 mm width
• Electrical endurance of 6,000 operations ensures long service life
• Rated operational voltage up to 400V AC for 3-pole setups
• High short-circuit breaking capacity of 15 kA for enhanced safety
• Min operating voltage as low as 12V AC/DC, allowing versatile use
• Dual terminals for secure wiring and easy installation

Technical Specs of 1492-SPM3D100

Specification	Details
Number of Poles	3
Rated Current	10 A
Trip Curve	Type D
Rated Operational Voltage	400 V AC (3-pole)
Rated Ultimate Short-Circuit Breaking Capacity (Icu)	15 kA
Electrical Endurance	6,000 operations
Dimensions (H x D x W)	88 x 69 x 17.5 mm
Weight	115 g (4.1 oz.)

Applications / Use Case

The Allen Bradley 1492-SPM3D100 supplementary protector is extensively used in industrial and commercial electrical installations where precise protection of control circuits is essential. Its trip curve D characteristic suits applications with significant motor startup currents or transformer inrush currents, protecting downstream equipment from damage caused by overcurrents. This device is frequently deployed within control panels, machinery, and automation systems to safeguard against short circuits and overloads. Its compact size facilitates use in space-constrained environments, while compliance with global standards ensures reliable performance in diverse industries such as manufacturing, processing plants, and building automation.

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