Phase Sequencer Relay 1089946107 OEM For Chicago Pneumatic, Atlas Copco, Quincy 1089 9461 07
The 1089946107 phase sequencing relay was a part that is used on a variety of Atlas Copco, Chicago Pneumatic and Quincy air compressors. This part is designed to stop the compressor if the 3 phase power is rotating the airend in the incorrect direction.
If your compressor is throwing a phase sequencing code on the controller but you have not adjusted any power settings, this part may need to be replaced.
Many air compressors used this part, including the Chicago Pneumatic QRS, CPBg, CPE Range, Quincy QGS and more.
This is an OEM part. The part number may be displayed as 1089 9461 07 or 1089 9461 07.