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CIRCUIT BREAKER
ABB
Refurbished
The ABB AF750-30 is a heavy-duty power contactor designed for controlling and switching high-current electrical loads in industrial and marine environments. Although many marine engineers, purchasing managers, and ship operators search for the ABB AF750-30 as a "Circuit Breaker," the product is technically an ABB AF Series Power Contactor used for motor control, electrical switching, and power distribution applications.
Onboard modern vessels, reliable electrical switching devices are essential for operating pumps, compressors, ventilation systems, ballast systems, cargo handling equipment, generators, and various engine room auxiliaries. The ABB AF750-30 provides dependable switching performance for these critical systems while ensuring operational safety and electrical reliability.
The AF Series is recognized worldwide for its advanced electronic coil technology, reduced energy consumption, resistance to voltage fluctuations, and long service life. These features make the ABB AF750-30 particularly suitable for marine environments where electrical stability and operational continuity are essential.
Shipowners and fleet operators benefit from reduced maintenance costs, improved reliability, enhanced electrical safety, and simplified spare parts management through the use of ABB AF Series contactors.
The ABB AF750-30 belongs to ABB's internationally recognized AF Series contactor family. The AF Series was developed to overcome many of the limitations associated with traditional contactors by incorporating electronic coil technology capable of operating across a wide voltage range.
Unlike conventional contactors that require different coil versions for different supply voltages, the AF750-30 can operate with a broad control voltage range, significantly reducing spare parts inventory requirements and simplifying maintenance planning.
The contactor is designed for switching motors, pumps, fans, compressors, generators, and other heavy electrical loads commonly found onboard vessels. Its robust construction and advanced switching capabilities make it suitable for demanding marine applications where reliability is critical.
The ABB AF750-30 is commonly installed in:
SM MARINE SERVICE™ can supply ABB AF750-30 units in New Equipment, Used Equipment, and Reconditioned Equipment condition depending on customer requirements and budget.
ABB's AF Series contactors utilize innovative electronic coil technology that enables operation across a wide voltage range. This reduces the need for multiple coil variants and simplifies spare parts stocking onboard vessels.
Marine electrical systems frequently experience voltage dips and fluctuations due to generator loading and large motor starting currents. The AF750-30 is specifically designed to maintain stable operation under these conditions.
The AF750-30 is engineered to handle large electrical loads associated with pumps, compressors, ventilation fans, and industrial motors commonly found in marine applications.
The electronic coil design consumes less energy compared to traditional contactors, reducing heat generation inside switchboards and electrical cabinets.
ABB AF Series contactors are designed for long mechanical and electrical endurance, reducing maintenance intervals and improving overall system reliability.
The ABB AF750-30 supports electrical systems associated with Radar, ECDIS, AIS, Gyro Compass, Autopilot, VDR, BNWAS, GPS, Satellite Compass, Navtex, Inmarsat, GMDSS, Marine Automation Systems, Engine Monitoring Systems, Boiler Control Systems, and Fire Alarm Systems.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model | AF750-30 |
| Product Type | Power Contactor |
| Series | AF Series |
| Main Contacts | 3 Pole |
| Application | Motor Control and Power Switching |
| Coil Technology | Electronic Wide Voltage Coil |
| Installation | Switchboard and Control Panels |
| Typical Marine Use | Pumps, Motors, Compressors, Fans |
| Industry Application | Industrial and Marine Power Distribution |
| Condition Available | New, Used, Reconditioned |
Note: Exact ratings and operating parameters should be verified using the official ABB AF750-30 technical documentation.
Used for cargo handling systems, refrigeration equipment, engine room pumps, and electrical distribution systems.
Installed in ballast systems, cargo handling equipment, conveyors, and machinery control systems.
Supports cargo pumps, transfer pumps, engine room auxiliaries, and ventilation systems.
Used within process control equipment, cargo transfer systems, and electrical control panels.
Provides switching control for compressors, cryogenic support equipment, and auxiliary systems.
Installed in cargo handling systems, refrigeration equipment, and safety-related electrical systems.
Used in hydraulic power units, deck machinery, drilling support systems, and offshore electrical installations.
Supports HVAC systems, elevators, water treatment plants, pumps, and emergency power systems.
Used in scientific equipment support systems, electrical distribution networks, and machinery control systems.
Installed in refrigeration plants, processing equipment, hydraulic systems, and auxiliary machinery.
SM MARINE SERVICE™ provides comprehensive sourcing and spare parts support for ABB AF750-30 contactors and associated electrical components.
Available support includes:
We can source genuine ABB components as well as suitable replacement solutions depending on stock availability and customer requirements.
SM MARINE SERVICE™ offers complete support services for ABB AF750-30 electrical equipment, including:
Our technical team supports commercial vessels, offshore units, and industrial facilities worldwide.
SM MARINE SERVICE™
Bangladesh Office
Samir Market, DT Road, Pahartali, Beside CDA Market, Chattogram, Bangladesh
China Warehouse and Support Center
Shanghai, China
SM MARINE SERVICE™ supplies both New Equipment and Reconditioned Equipment depending on customer requirements and budget.
We provide worldwide supply, sourcing, repair, calibration, technical support and spare parts services for marine automation, navigation, communication and marine electronic systems.
Website : https://www.smmarineservice.com
Email : info@smmarineservice.com
WhatsApp and Viber : +8801818929292
Marketing Contact: Nazmul Hasan Bhuiyan
Mobile WhatsApp and Viber : +8801730296909
Official ABB AF Series technical documentation is available from:
Available documentation includes:
The ABB AF750-30 is one of the most widely used heavy-duty power contactors in marine and industrial electrical systems. While many buyers search for the product as an ABB AF750-30 Circuit Breaker, it is technically a high-performance ABB AF Series contactor designed for motor control, electrical switching, and power distribution applications.
Its advanced electronic coil technology, resistance to voltage fluctuations, high reliability, and long service life make it an excellent choice for shipboard switchboards, motor control centers, generator control systems, and marine automation applications.
For ABB AF750-30 supply, spare parts, troubleshooting, repair services, technical consultation, New Equipment, Used Equipment, and Reconditioned Equipment, contact SM MARINE SERVICE™ for professional worldwide marine support and sourcing solutions.
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