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What is the elevator interlock for a CH321N heavy Duty Safety Switch?

Issue:
CH321N Elevator Interlock Kit

Product Line:
Safety Switches

Environment:
Elevator installations

Cause:
Requires elevator interlock

Resolution: 
The Elevator Interlock is an EIK031EV.
This is field installable on Series F7 switches with a date code starting with 06454 (year 2006, week 45, day 4 of week) or later.

 
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