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
1694-PMD211Allen-Bradley 1694-PMD211 Electronic Circuit Protection, Protection Module, IO Link, 2
$539.99 -
Out of Stock
1694-PMD211-CL2Allen-Bradley 1694-PMD211-CL2 Electronic Circuit Protection, Protection Module, IO Link, 2
$479.99 -
Out of Stock
1694-PMD222Allen-Bradley 1694-PMD222 Electronic Circuit Protection, Protection Module, IO Link, 2
$379.99 -
Out of Stock
1694-PMD222-CL2Allen-Bradley 1694-PMD222-CL2 Electronic Circuit Protection, Protection Module, IO Link, 2
$559.99 -
Out of Stock
1694-PMD233Allen-Bradley 1694-PMD233 Electronic Circuit Protection, Protection Module, IO Link, 2
$479.99 -
Out of Stock
1694-PMD233-CL2Allen-Bradley 1694-PMD233-CL2 Electronic Circuit Protection, Protection Module, IO Link, 2
$519.99 -
Out of Stock
1694-PMD244Allen-Bradley 1694-PMD244 Electronic Circuit Protection, Protection Module, IO Link, 2
$579.99 -
Out of Stock
1694-PMD244-CL2Allen-Bradley 1694-PMD244-CL2 Electronic Circuit Protection, Protection Module, IO Link, 2
$519.99 -
Out of Stock
1694-PMD266Allen-Bradley 1694-PMD266 Electronic Circuit Protection, Protection Module, IO Link, 2
$419.99 -
Out of Stock
1694-PMD2A10Allen-Bradley 1694-PMD2A10 Electronic Circuit Protection, Protection Module, IO Link, 2
$519.99 -
Out of Stock
189-AB01Allen-Bradley 189-AB01 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$199.99 -
Out of Stock
189-AB10Allen-Bradley 189-AB10 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$204.99 -
Out of Stock
189-AL11Allen-Bradley 189-AL11 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$219.99 -
Out of Stock
189-ALOA1Allen-Bradley 189-ALOA1 Auxiliary Contact, 1492 SPM, 188 J, and 1489 Miniature Circu
$234.99 -
Out of Stock
189-ALOA2Allen-Bradley 189-ALOA2 Auxiliary Contact, 1492 SPM, 188 J, and 1489 Miniature Circu
$239.99 -
Out of Stock
189-AR02Allen-Bradley 189-AR02 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$209.99 -
Out of Stock
189-AR11Allen-Bradley 189-AR11 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$44.99 -
Out of Stock
189-AR20Allen-Bradley 189-AR20 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$239.99 -
Out of Stock
189-AR3Allen-Bradley 189-AR3 Auxiliary Contact, 1492 SPM and 188 J Miniature Circuit Brea
$214.99 -
Out of Stock
189-ASCR3Allen-Bradley 189-ASCR3 Auxiliary/Signal Contact, 1492 SPM and 188 J Miniature Circu
$219.99 -
Out of Stock
189-AST1Allen-Bradley 189-AST1 Shunt Trip Module, 1492 SP and 188 J Miniature Circuit Break
$39.99 -
Out of Stock
189-AST2Allen-Bradley 189-AST2 Shunt Trip Module, 1492 SP and 188 J Miniature Circuit Break
$44.99 -
Out of Stock
193-CT-CE-300AAllen-Bradley 193-CT-CE-300A Step Down Current Transformers for Overload Relays, 300:5 Ra
$154.99 -
Out of Stock
193-CT-CE-400AAllen-Bradley 193-CT-CE-400A Overload 400 Amp Current Transformers
$154.99