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Automation Control Spare Parts Suppliers
Automation control is the nervous system of a modern ship. It ties together engine monitoring, alarm panels, power management, ballast control, and other tasks that once needed a dedicated watchkeeper.
When a PLC freezes or a sensor feeds bad data, the whole engine room can grind to a stop. That's why stocking the right automation control spare parts and having a reliable supplier on speed dial is crucial. RecordsMarine pulls vetted automation suppliers into one searchable listing, cutting the time it takes to shortlist the right one for your fleet.
What Automation Control Covers on a Ship
Most modern vessels run several automation systems at once:
- Engine Control Systems (ECS) monitor and run the main and auxiliary engines
- Integrated Alarm and Monitoring Systems (IAMS) collect alarms from across the ship
- Power Management Systems (PMS) switch generators on and off automatically
- Ballast Control Systems manage pumps, valves, and tank levels
- Bridge and Navigation Integration ties autopilot, radar, and ECDIS together.
Each of these needs spare parts for automation control from time to time: sensors, relays, plug-in modules, or full controller cards that have to match the exact firmware.
Typical Spare Parts Stocked by Suppliers
Common items shipped by automation parts suppliers for shipboard systems include:
- PLC CPU modules, I/O cards, and power supplies
- HMI screens, touch panels, and operator stations
- Temperature, pressure, and level sensors
- Solenoid valves, relays, and contactors
- Signal cables, connectors, and terminal blocks
- Communication modules (Modbus, Profibus, CAN bus)
- UPS batteries and backup power units
Ships in heavy trade should keep the most common items onboard. CPU modules, I/O cards, and UPS batteries are the automation control spare parts that stop work the fastest when they fail. A failure during a crossing often means hours of engine-room downtime or a restricted alarm system at the next port.
Brands Commonly Found in Engine Rooms
A short list of makers covers most of the automation gear at sea: Kongsberg, Wärtsilä (formerly Hoppe Marine), ABB, Siemens, Praxis Automation, Yokogawa, Rockwell (Allen-Bradley), and Mitsubishi. Each brand uses its own controller design, so swapping parts between them is rarely simple. Firmware versions change. Connector pinouts differ. Software keys can lock you out of a replacement card until the OEM unlocks it. That's why most suppliers of spare parts for automation control either focus on one or two brands or keep a wide cross-brand stock for mixed fleets.
How to Choose a Reliable Supplier
Counterfeit PLC modules are a well-known hazard in the marine market. A cheap clone can pass power-on tests and fail three months later, taking the main engine alarm panel with it.
Even genuine-looking parts can arrive with the wrong firmware, working on the bench but throwing faults once fitted. A single failure in a safety alarm system can trigger a port state inspection. The safest route is to deal with sellers who know the marine side of automation, not general industrial distributors. Before ordering automation control spare parts from anyone new, check:
- Proof of genuine OEM sourcing or a trusted aftermarket chain
- Brand coverage that matches your fleet's hardware
- Port delivery network in your trading region
- Warranty of 12 months or more on sealed electronics
- A technical helpdesk staffed by engineers with actual shipboard experience.
Frequently Asked Questions
Can parts from a shore industrial supplier be used on a ship?
Sometimes. Marine-grade parts are built for vibration, salt air, and wider temperatures. Industrial-spec items often fail early at sea and may void class approval.
Do replacement PLC cards need new software licenses?
Often yes. Modern controllers tie firmware to an OEM-issued license key. A replacement card usually needs the key reissued or transferred, typically two to seven days of paperwork on top of shipping time.
Will a class surveyor accept parts from an independent supplier?
Usually yes, provided the part carries a valid type approval and traceable certification. Keep the supplier's paperwork with the ship's technical file and let the surveyor vet it early if you're unsure.
Find Automation Control Spare Parts Suppliers Near You
An alarm panel fault or a frozen PLC won't wait. Scroll through the listings below, filter by region, and shortlist suppliers that match your fleet.

Year Founded: 2021
Verified
CATEGORIES:
Automation Control Equipment & Control Units
AIS (Automatic Identification Systems)
Air Compressors
Centrifugal Pumps
Diesel Generators
Electrical Cranes
Electrical Winch & Windlass
Engines (2-Stroke)
Engines (4-Stroke)
Hydraulic Pumps
WAREHOUSES:
India
United Arab Emirates

Year Founded: 2018
Verified
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
(195)
BRAND:
KOBELT
FW MURPHY
SELCO
ADM
EMC PRODUCTS
(49)
CLASS APPROVED:
ABS
ClassNK
CCS
BV
WAREHOUSES:
China

Year Founded: 2011
Verified
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
(177)
BRAND:
KOBELT
FW MURPHY
SELCO
ADM
EMC PRODUCTS
(49)
CLASS APPROVED:
DNV
WAREHOUSES:
Singapore
United Arab Emirates
Angola
Austria
Australia (209)

Year Founded: 2004
Verified
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
(162)
CLASS APPROVED:
ClassNK
BV

Year Founded: 2025
Verified
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
AIS (Automatic Identification Systems)
AMS (Alarm Monitoring Systems)
ARPA (Automatic Radar Plotting Aids)
AUS (Automatic Unloading Systems)
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
Alpha Lubrication Systems
Anemometers
(166)
WAREHOUSES:
Hong Kong

Year Founded: 2020
RM verified
CATEGORIES:
Automation Control Equipment & Control Units
Air Compressors
Air Driven Motors
Air Horns
Air Starters
Alpha Lubrication Systems
BackWash Filters
Boiler Automation Equipment
Centrifugal Pumps
Control Air Dryers
Cranes
Diesel Generators
Distance Rings & Spacer Rings for Stern Tube
Engine Fuel Injection High Pressure Pipes (2-Strok
Engine Exhaust Valve L.O. High Pressure Pipes (2-S
(66)
WAREHOUSES:
Turkey
China
Greece
Japan
South Korea (1)

Year Founded: 2021
RM verified
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Boat Engines
Boiler Automation Equipment
Centrifugal Pumps
Cranes
Electrical Cranes
(46)
BRAND:
KONGSBERG
Nabtesco
CONSILIUM
Honeywell
ALFA LAVAL
(3)
WAREHOUSES:
China

Year Founded: 2010
RM verified
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
Accommodation Ladder Davits
Accomodation Ladders & Gangways
Air Compressors
Air Driven Motors
Air Horns
Air Reservoirs
Air Starters
AIS (Automatic Identification Systems)
Alpha Lubrication Systems
AMS (Alarm Monitoring Systems)
Anemometers
Anti-Heeling Systems
ARPA (Automatic Radar Plotting Aids)
(166)
CLASS APPROVED:
ABS
RINA
RMRS
ClassNK
CCS
(11)

Year Founded: 2022
CATEGORIES:
Automation Control Equipment & Control Units
AMS (Alarm Monitoring Systems)
Accommodation Ladder Davits
Air Compressors
Air Driven Motors
Air Horns
Air Starters
Alpha Lubrication Systems
Boat Engines
Centrifugal Pumps
BRAND:
KOBELT
FW MURPHY
SELCO
ADM
EMC PRODUCTS
(50)
WAREHOUSES:
India
Bangladesh
China
North Korea
South Korea

Year Founded: 2014
CATEGORIES:
Automation Control Equipment & Control Units
15 PPM Monitoring Equipment
Alpha Lubrication Systems
BNWAS (Bridge Navigational Watch Alarm Systems)
Communication Equipment
Boiler Automation Equipment
ODME (Oil Discharge Monitoring Equipment)
Oil Mist Detection Systems
Viscosimeters
Navigation Equipment
WAREHOUSES:
India