The voltage regulator type “MARK I”, is suitable for Synchronous Generators of MARELLI MOTORI make, MJB series, size range 160-500 frames. This regulator is proper to operate on machines rated from 10 up to 2000kVA. The regulator is fully insulated in order to maintain high reliability also with severe ambient conditions (high level of humidity, dust, salt atmosphere), and in case of high vibrations level. The regulator is proper both for single and 3-phase operation.
Sensing Voltage Input
170-270 / 380-415/ 440-480V AC (3 or 1 phase sensing)
170-277V AC (50/60Hz)
max 80V dc
continuous 8A. Intermittent 15A for 10secs
3.5 Ω minimum
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Guarantee:365days after the goods has been received
During the guarantee,the items enjoy free repairs or replacement.
Customer is responsible for the freight back and forth and the custom tax.
You may consider to send the defective item with an economical way,and we send back the repaired items with your new order together