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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1492-SPM1C320-NAllen-Bradley 1492-SPM1C320-N Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM1C400Allen-Bradley 1492-SPM1C400 Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM1C400-NAllen-Bradley 1492-SPM1C400-N Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM1C500Allen-Bradley 1492-SPM1C500 Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM1C500-NAllen-Bradley 1492-SPM1C500-N Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM1C630Allen-Bradley 1492-SPM1C630 Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM1C630-NAllen-Bradley 1492-SPM1C630-N Supplementary Protectors, 1 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM1D005Allen-Bradley 1492-SPM1D005 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D005-NAllen-Bradley 1492-SPM1D005-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D010Allen-Bradley 1492-SPM1D010 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D010-NAllen-Bradley 1492-SPM1D010-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM1D020Allen-Bradley 1492-SPM1D020 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D020-NAllen-Bradley 1492-SPM1D020-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM1D030Allen-Bradley 1492-SPM1D030 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D030-NAllen-Bradley 1492-SPM1D030-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM1D040Allen-Bradley 1492-SPM1D040 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D040-NAllen-Bradley 1492-SPM1D040-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D050Allen-Bradley 1492-SPM1D050 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D050-NAllen-Bradley 1492-SPM1D050-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D060Allen-Bradley 1492-SPM1D060 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D060-NAllen-Bradley 1492-SPM1D060-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM1D070Allen-Bradley 1492-SPM1D070 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM1D070-NAllen-Bradley 1492-SPM1D070-N Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM1D080Allen-Bradley 1492-SPM1D080 Supplementary Protectors, 1 Pole Configuration, Trip Curve D
$84.99