Item 2588083MEC has must read information.
: Per the vendor the ZB2 & ZA2 line of switches are no longer available. The new line of switches are not a direct replacement for the ZB2/ZA2 line. Please refer to the attached chart to assist in service replacement. 

MEC-NC CONTACT BLOCK

$5.63
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2588083MEC

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: 1  : 1  : 0.5  : 0.01

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EA
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MEC-NC CONTACT BLOCK - 2588083MEC