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-SPM3B630Allen-Bradley 1492-SPM3B630 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B630-NAllen-Bradley 1492-SPM3B630-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3C005Allen-Bradley 1492-SPM3C005 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C005-NAllen-Bradley 1492-SPM3C005-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C010Allen-Bradley 1492-SPM3C010 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C010-NAllen-Bradley 1492-SPM3C010-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C020Allen-Bradley 1492-SPM3C020 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C020-NAllen-Bradley 1492-SPM3C020-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C030Allen-Bradley 1492-SPM3C030 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C030-NAllen-Bradley 1492-SPM3C030-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C040Allen-Bradley 1492-SPM3C040 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C040-NAllen-Bradley 1492-SPM3C040-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C050Allen-Bradley 1492-SPM3C050 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C050-NAllen-Bradley 1492-SPM3C050-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C060Allen-Bradley 1492-SPM3C060 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C060-NAllen-Bradley 1492-SPM3C060-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C070Allen-Bradley 1492-SPM3C070 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C070-NAllen-Bradley 1492-SPM3C070-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C080Allen-Bradley 1492-SPM3C080 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
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1492-SPM3C080-NAllen-Bradley 1492-SPM3C080-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C100Allen-Bradley 1492-SPM3C100 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C100-NAllen-Bradley 1492-SPM3C100-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C130Allen-Bradley 1492-SPM3C130 Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99 -
Out of Stock
1492-SPM3C130-NAllen-Bradley 1492-SPM3C130-N Supplementary Protectors, 3 Pole Configuration, Trip Curve C
$84.99