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4 . 4 Transformers
To use this current relay for detecting overcurrent on
with the inrush current of transforeer
4 . 5 H e a t e r s , LauDs a n d o t h e r C i r c u i t s
This relay can be used to detect the disconnection of
circuits by sensing the existence of current flow.
words, if disconnection occurs, current does not flow and an
undercurrent condition is detected by the relay.
this relay can be used to detect the disconnection of heater
circuits on constant temperature
insulators on transmission and distribution facilities In
extremely cold regions.
5. Hount ing
See Fig. 4 for uounting dieensions. Be careful not to use this
relay in the following conditions:
Dusty/dirty
locations,
20 tiles/m.
ovens or heatar circuits for
outside -10 - +SO"C.
or aore) and shock (above 156 in 3 directions).
taken into consideration.
In other
For exaeDle.
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