Why did ZB4BS84430 replace ZB4BS5430?
Issue:
Difference between trigger action and non-trigger action pushbuttons.
Product Line:
Harmony XB4/XB5 Push Buttons
Environment:
Push Buttons and Operator Interface
Resolution:
Trigger action pushbuttons are impossible to partially engage the contacts. The trigger action causes the operator to snap over from one state to the other once engaged past a point of no return. For safety applications and emergency off/stop applications, this is the preferred method. In general, trigger actuated pushbuttons are 5mm longer than the non-trigger action counterparts. PDF copy of original letter sent to customer base attached.
Released for: Schneider Electric Canada
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