Description
MITSUBISHI ELECTRIC CORPORATION
MELSEC-Q
MODEL: QX81
INPUT UNIT
24VDC 4MA
CLASS2 5VDC 0.08A
MADE IN JAPAN
The Mitsubishi Electric QX81 is an input unit in the MELSEC-Q series, used within the controller of a vessel’s control system. It brings status signals from connected field equipment into the controller, giving the program the information it needs to run machinery and alarm logic. Rated at 24 V DC and 4 mA, it also carries a Class 2 rating of 5 V DC at 0.08 A. The module was made in Japan and is offered here in used condition.
Key Features
✓ MELSEC-Q series model QX81
✓ Input unit for the controller
✓ 24 V DC, 4 mA rating
✓ Class 2, 5 V DC at 0.08 A
✓ Made in Japan
Marine Applications
✓ Machinery status inputs to the controller
✓ Engine room alarm and monitoring panels
✓ Auxiliary system interlock signals
✓ Deck machinery control cabinets
Technical Support
Prota Marine provides technical support, repair and onboard installation for the MELSEC-Q input unit and the wider marine control system. We help trace faults between field signals and the controller, and our team offers commissioning support after installation.



