VRS2 (3UA50) Application
VRS2 series thermal overload
relay are suitable for overload
and phase-failure protection of
AC motors with frequency of
50/60HZ, voltage up to 690-
1000V,current up to 0.1-630A
under 8-hours duty or
uninterrupted duty. Functions provided by these
relays, are phase-failure
protection, temperature
compensation, ON/OFF
indication and
manual/automatic reset. Applicable standards: National
standard: GB
14048,International standard: IEC 60947-4-1
The relays can be mounted
onto contactors or installed as
single units.
Operating conditions
The altitude couldn’t exceed
2000m
Ambient temperature: -5~ +55℃ and the average
temperature no more than
+35℃ in 24 hours. Atmosphere: comparative
humidity no more than 50% at
max +40℃,and it may be
higher at a lower
temperature. The lowest
average temperature no more
than +20℃ in the wettest
month.
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