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-SPM3B070Allen-Bradley 1492-SPM3B070 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B070-NAllen-Bradley 1492-SPM3B070-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B080Allen-Bradley 1492-SPM3B080 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B080-NAllen-Bradley 1492-SPM3B080-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B100Allen-Bradley 1492-SPM3B100 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B100-NAllen-Bradley 1492-SPM3B100-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B130Allen-Bradley 1492-SPM3B130 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B130-NAllen-Bradley 1492-SPM3B130-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B150Allen-Bradley 1492-SPM3B150 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B150-NAllen-Bradley 1492-SPM3B150-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B160Allen-Bradley 1492-SPM3B160 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B160-NAllen-Bradley 1492-SPM3B160-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B200Allen-Bradley 1492-SPM3B200 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B200-NAllen-Bradley 1492-SPM3B200-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B250Allen-Bradley 1492-SPM3B250 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B250-NAllen-Bradley 1492-SPM3B250-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B300Allen-Bradley 1492-SPM3B300 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B300-NAllen-Bradley 1492-SPM3B300-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B320Allen-Bradley 1492-SPM3B320 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
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1492-SPM3B320-NAllen-Bradley 1492-SPM3B320-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B400Allen-Bradley 1492-SPM3B400 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B400-NAllen-Bradley 1492-SPM3B400-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B500Allen-Bradley 1492-SPM3B500 Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99 -
Out of Stock
1492-SPM3B500-NAllen-Bradley 1492-SPM3B500-N Supplementary Protectors, 3 Pole Configuration, Trip Curve B
$84.99