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
1489-M3C630Allen-Bradley 1489-M3C630 1489 M Miniature Circuit Breaker, Standard configuration, AC
$349.99 -
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1489-M3D005Allen-Bradley 1489-M3D005 1489 M Miniature Circuit Breaker, Standard configuration, AC
$859.99 -
Out of Stock
1489-M3D010Allen-Bradley 1489-M3D010 1489 M Miniature Circuit Breaker, Standard configuration, AC
$429.99 -
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1489-M3D016Allen-Bradley 1489-M3D016 1489 M Miniature Circuit Breaker, Standard configuration, AC
$764.99 -
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1489-M3D020Allen-Bradley 1489-M3D020 1489 M Miniature Circuit Breaker, Standard configuration, AC
$549.99 -
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1489-M3D030Allen-Bradley 1489-M3D030 1489 M Miniature Circuit Breaker, Standard configuration, AC
$359.99 -
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1489-M3D040Allen-Bradley 1489-M3D040 1489 M Miniature Circuit Breaker, Standard configuration, AC
$764.99 -
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1489-M3D050Allen-Bradley 1489-M3D050 1489 M Miniature Circuit Breaker, Standard configuration, AC
$759.99 -
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1489-M3D060Allen-Bradley 1489-M3D060 1489 M Miniature Circuit Breaker, Standard configuration, AC
$754.99 -
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1489-M3D070Allen-Bradley 1489-M3D070 1489 M Miniature Circuit Breaker, Standard configuration, AC
$569.99 -
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1489-M3D080Allen-Bradley 1489-M3D080 1489 M Miniature Circuit Breaker, Standard configuration, AC
$139.99 -
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1489-M3D100Allen-Bradley 1489-M3D100 1489 M Miniature Circuit Breaker, Standard configuration, AC
$349.99 -
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1489-M3D130Allen-Bradley 1489-M3D130 1489 M Miniature Circuit Breaker, Standard configuration, AC
$499.99 -
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1489-M3D150Allen-Bradley 1489-M3D150 1489 M Miniature Circuit Breaker, Standard configuration, AC
$764.99 -
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1489-M3D160Allen-Bradley 1489-M3D160 1489 M Miniature Circuit Breaker, Standard configuration, AC
$754.99 -
Out of Stock
1489-M3D200Allen-Bradley 1489-M3D200 1489 M Miniature Circuit Breaker, Standard configuration, AC
$219.99 -
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1489-M3D250Allen-Bradley 1489-M3D250 1489 M Miniature Circuit Breaker, Standard configuration, AC
$809.99 -
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1489-M3D300Allen-Bradley 1489-M3D300 1489 M Miniature Circuit Breaker, Standard configuration, AC
$819.99 -
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1489-M3D320Allen-Bradley 1489-M3D320 1489 M Miniature Circuit Breaker, Standard configuration, AC
$809.99 -
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1489-M3D350Allen-Bradley 1489-M3D350 1489 M Miniature Circuit Breaker, Standard configuration, AC
$649.99 -
Out of Stock
1489-M3D400Allen-Bradley 1489-M3D400 1489 M Miniature Circuit Breaker, Standard configuration, AC
$859.99 -
Out of Stock
1489-M3D500Allen-Bradley 1489-M3D500 1489 M Miniature Circuit Breaker, Standard configuration, AC
$984.99 -
Out of Stock
1489-M3D600Allen-Bradley 1489-M3D600 1489 M Miniature Circuit Breaker, Standard configuration, AC
$849.99 -
Out of Stock
1489-M3D630Allen-Bradley 1489-M3D630 1489 M Miniature Circuit Breaker, Standard configuration, AC
$2,154.99