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To identify the voltage limits or Tolerence for the ZB4-BW0** transformer pilot light bodies? Can the ZB4BW055 operate upto 440V?

Goals and Symptoms

To identify the voltage limits or Tolerence for the ZB4-BW0** transformer pilot light bodies? Can the ZB4BW055 operate upto 440V?

Facts and Changes

ZB4
ZB4BW
Transformer
Voltage Limits

Causes and Fixes

The voltage limit is +/- 10%.
=> Mini = 360V~ - Maxi = 440V~.

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