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Trailer Parts Accessories 7 Core Truck Tractor 24 Volt Base Trailer Plug for Truck

The 24V Trailer Base Socket is an essential electrical interface mounted on tractor units (semi-trucks) to connect and power the lighting and braking systems of trailers. Designed for use in 24-volt DC commercial vehicle systems common in Europe, Asia, Africa, and many international markets, this socket ensures reliable signal transmission for tail lights, brake lights, turn signals, reverse lights, and grounding.

Constructed from high-impact thermoplastic with brass or copper alloy contacts, the 24V base socket meets rigorous environmental and safety standards, offering resistance to moisture, vibration, dust, and corrosion. It mates with a standard 7-pin trailer plug (ISO 11446 or ISO 1724 compliant), enabling quick and secure coupling during trailer changes.

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Product Description

Attribute	Description
Part Name	24V Trailer Base Socket / 7-Pin Tractor Socket
Voltage Rating	24V DC (Nominal), Compatible with 12V Systems via Adapter
Number of Pins	7-Pin (ISO Standard)
Standard Compliance	ISO 11446 (Main), ISO 1724, ECE R107, SAE J560 (optional variants)
Contact Material	Brass or Copper Alloy, Tin or Silver Plated
Housing Material	High-Impact Thermoplastic (UV-Resistant ABS or Polycarbonate)
Ingress Protection (IP)	IP67 (Dust-tight & Waterproof up to 1m for 30 mins)
Mounting Type	Panel Mount / Flange Mount (with rubber gasket)
Cable Entry	Rear or Side Cable Gland (typically M20 x 1.5 mm thread)
Wire Gauge Compatibility	0.75 – 2.5 mm² (18–14 AWG)
Operating Temperature	-40°C to +105°C (-40°F to +221°F)
Color	Black (standard), sometimes grey
Application	Tractor Trucks, Semi-Trucks, Commercial Trailers, Buses