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Multi-speed contactor UPIUL [t-head1-pg]
With fuses and overload relays
Rating of switchgear
F2, Q17, Q18 = I1
(low speed)
F21, Q21, Q22 = I2
Q23 = 0.5 × I2
(high speed)
Overload relays F2 and F21 are not used on multi-speed contactors without motor protection
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