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-SPM2D130Allen-Bradley 1492-SPM2D130 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D150Allen-Bradley 1492-SPM2D150 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D160Allen-Bradley 1492-SPM2D160 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D200Allen-Bradley 1492-SPM2D200 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM2D250Allen-Bradley 1492-SPM2D250 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM2D300Allen-Bradley 1492-SPM2D300 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D320Allen-Bradley 1492-SPM2D320 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D400Allen-Bradley 1492-SPM2D400 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D500Allen-Bradley 1492-SPM2D500 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
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1492-SPM2D630Allen-Bradley 1492-SPM2D630 Supplementary Protectors, 2 Pole Configuration, Trip Curve D
$84.99 -
Out of Stock
1492-SPM3B005Allen-Bradley 1492-SPM3B005 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B005-NAllen-Bradley 1492-SPM3B005-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B010Allen-Bradley 1492-SPM3B010 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B010-NAllen-Bradley 1492-SPM3B010-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B020Allen-Bradley 1492-SPM3B020 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B020-NAllen-Bradley 1492-SPM3B020-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B030Allen-Bradley 1492-SPM3B030 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B030-NAllen-Bradley 1492-SPM3B030-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B040Allen-Bradley 1492-SPM3B040 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B040-NAllen-Bradley 1492-SPM3B040-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B050Allen-Bradley 1492-SPM3B050 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B050-NAllen-Bradley 1492-SPM3B050-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B060Allen-Bradley 1492-SPM3B060 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B060-NAllen-Bradley 1492-SPM3B060-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99