Pollak 11-851 Heavy-Duty Single Pole 300 Amp Service Socket - Die-Cast Zinc

High-Amperage Power Delivery for Demanding Applications The Pollak 11-851 Single Pole Service Socket is engineered for specialized heavy-duty applications that require massive power transfer. Rated for 300 Amps of continuous duty, this socket is the industry standard for powering lift gates, winch motors, and heavy-duty auxiliary equipment on commercial trucks and trailers.

Rugged Construction & Secure Connectivity Built to survive the rigors of the road, the 11-851 is housed in a durable die-cast zinc body. The interior features a high-impact insulator and a heavy-duty solid brass pin for maximum conductivity and minimal voltage drop. To ensure a secure and permanent connection, the rear terminal uses a 5/16" stud, allowing for heavy-gauge battery cables to be bolted directly to the socket.

Weather-Ready Reliability To protect your electrical system from the elements, the socket is equipped with a heavy-duty, spring-loaded cover. The positive-catch lid shields the internal contact from road salt, moisture, and debris when the trailer is disconnected, preventing the corrosion that leads to power loss and system failure.

Key Features & Benefits:

• 300 Amp Continuous Rating: Engineered for high-draw systems like hydraulic lift gates and winches.

• Die-Cast Zinc Housing: Provides superior physical protection and impact resistance.

• Solid Brass Pin: Machined for high conductivity and long-term durability under heavy loads.

• 5/16" Stud Terminal: Allows for secure, high-torque bolting of heavy-gauge power cables.

• Spring-Loaded Protective Cover: Features a weather-tight seal to keep the contact clean and dry.

• Industry Compatibility: Pairs perfectly with the Pollak 11-852 single pole plug.

Technical Specifications:

• Part Number: 11-851 (Bulk) / 11-851P (Packaged)

• Configuration: Single Pole (Vehicle-Side Socket)

• Current Rating: 300 Amps Continuous Duty

• Voltage Rating: 6-28 Volts DC

• Terminal Type: 5/16" Diameter Stud

• Material: Die-Cast Zinc Housing

• Mounting: Standard 2-Hole Flange (2.93" centers)