Circuit Protection
The Circuit Protection category covers a broad range of components used by controls engineers, panel builders, and machine builders to safeguard electrical systems from overcurrent, overvoltage, and unsafe isolation conditions. Typical product types include visible-blade disconnect switches for manual isolation and lockout/tagout compliance across a range of ampere ratings, control and machine-tool transformers for stepping down line voltage to safe control-circuit levels (commonly 24V or 120V secondary), and safety cable and rope-pull accessories for emergency-stop perimeter guarding on conveyor and machine-line applications. With over 4,000 stocked line items, the selection spans low-amperage branch-circuit protection through heavy industrial disconnect hardware rated to 400 A and above, supporting 120V single-phase through 480V three-phase installations in manufacturing, material handling, and process control environments.
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Out of Stock
1492-SPM3C150Allen-Bradley 1492-SPM3C150 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C150-NAllen-Bradley 1492-SPM3C150-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C160Allen-Bradley 1492-SPM3C160 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C160-NAllen-Bradley 1492-SPM3C160-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C200Allen-Bradley 1492-SPM3C200 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C200-NAllen-Bradley 1492-SPM3C200-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C250Allen-Bradley 1492-SPM3C250 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C250-NAllen-Bradley 1492-SPM3C250-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C300Allen-Bradley 1492-SPM3C300 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C300-NAllen-Bradley 1492-SPM3C300-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C320Allen-Bradley 1492-SPM3C320 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C320-NAllen-Bradley 1492-SPM3C320-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C400Allen-Bradley 1492-SPM3C400 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C400-NAllen-Bradley 1492-SPM3C400-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C500Allen-Bradley 1492-SPM3C500 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C500-NAllen-Bradley 1492-SPM3C500-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C630Allen-Bradley 1492-SPM3C630 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C630-NAllen-Bradley 1492-SPM3C630-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3D005Allen-Bradley 1492-SPM3D005 Supplementary Protectors, 3 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM3D005-NAllen-Bradley 1492-SPM3D005-N Supplementary Protectors, 3 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM3D010Allen-Bradley 1492-SPM3D010 Supplementary Protectors, 3 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM3D010-NAllen-Bradley 1492-SPM3D010-N Supplementary Protectors, 3 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM3D020Allen-Bradley 1492-SPM3D020 Supplementary Protectors, 3 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM3D020-NAllen-Bradley 1492-SPM3D020-N Supplementary Protectors, 3 Pole Configuration, Trip Curve D
$84.99