Heavy-Duty DC Reversing Contactor 12 V – Replacement for Lewmar DC66-46P
This heavy-duty 12 V DC reversing contactor is designed as a direct functional replacement for the Lewmar DC66-46P changeover contactor. Engineered for demanding marine and industrial applications, it delivers enhanced durability, improved corrosion resistance, and a longer service life compared to standard units.
Key Features
Direct replacement for Lewmar DC66-46P
High-performance contact design for extended switching life
Sealed housing provides protection against moisture and salt spray
12 V DC coil voltage – ideal for marine windlass and thruster systems
Compact footprint for easy drop-in installation
Heavy-duty silver-alloy contacts ensure reliable current handling
Technical Highlights
Coil Voltage: 12 V DC
Current Rating: 250 A continuous / 1000 A peak
Contact Configuration: Double-pole, double-throw (reversing)
Environmental Protection: IP66-equivalent sealed enclosure
Operating Temperature: −25 °C to +85 °C
Compatibility
This contactor is fully compatible with systems originally equipped with the Lewmar DC66-46P. It can be installed using the same wiring configuration and mounting pattern.
Lewmar® is a registered trademark of Lewmar Limited. This product is an independent aftermarket replacement selected from the Albright International contactor range — widely regarded for its exceptional quality and reliability in demanding marine and industrial applications. It is not manufactured or endorsed by Lewmar, but supplied by OEM Nordic as a premium alternative for maintenance and service use.
Applications
Windlass and thruster motor control
Hydraulic pump systems
Industrial DC motor reversing
Anderson Power Products SB175 Housing – Yellow (MPN: 943-BK)
Housing only for the Anderson Power Products SB®175 high-current connector series. This yellow, color-coded SB175 shell is designed for rugged DC power connections in industrial, battery, charger and mobile power applications.
Original / Genuine Anderson Power Products product. All items are new and delivered in the manufacturer’s standard packaging.
Key Benefits
Genderless design: Mates with identical SB175 housings – no male/female halves required.
Color-coded housing: Yellow housing prevents cross-mating with other voltage/keyed systems.
Heavy-duty construction: Durable polycarbonate (PC) housing for demanding environments.
Flexible configuration: Compatible with SB175 crimp contacts and busbar contacts.
Technical Summary
Manufacturer
Anderson Power Products
Series
SB®175
Part Number
943-BK
Positions
2-pole
Nominal Current Class
175A (depends on selected contacts and cable size)
Max Voltage Rating
Up to 600V DC
Housing Material
Polycarbonate (PC)
Wire Range Compatibility
Up to 1/0 AWG (approx. 50 mm²) depending on contact type
What’s Included
1 × SB175 Yellow Housing (shell only)
Not Included
SB175 contacts (must be ordered separately) please find contacts 1382-BK, 1383-BK, 1384-BK, 1348-BK here.
Dust covers, handles, auxiliary contacts or accessories
Typical Applications
Battery-to-charger connections
Forklifts and material handling equipment
UPS and inverter systems
Industrial DC distribution systems
Mobile power and renewable energy installations
![Housing SB 175 - yellow [MPN: 943-BK]](//mkcontrols.eu/cdn/shop/files/IMG-7766.png?v=1773426756&width=645)
![Housing SB 350 - blue - bulk [MPN: 912-BK] - OEM NORDIC - Quality Parts Distribution](//mkcontrols.eu/cdn/shop/files/C13BFB92-CCED-4723-A446-B290E6DFA263.jpg?v=1773426761&width=645)
![Housing SB 175 - yellow [MPN: 943-BK]](http://mkcontrols.eu/cdn/shop/files/IMG-7766.png?v=1773426756&width=645)
![Housing SB 350 - blue - bulk [MPN: 912-BK] - OEM NORDIC - Quality Parts Distribution](http://mkcontrols.eu/cdn/shop/files/C13BFB92-CCED-4723-A446-B290E6DFA263.jpg?v=1773426761&width=645)