Automotive Power Connector

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Automotive Power Connector
Details
Automotive power connectors are injection-molded electrical interfaces for power cables, terminals, sensors, motors, pumps, battery modules, and control units in vehicles and mobile equipment. The housing holds each terminal in position and provides electrical insulation. Its locking and sealing details are designed for engine compartments, passenger compartments, battery systems, charging equipment, and industrial vehicles exposed to vibration, heat, moisture, and automotive fluids.
Category
Automotive Parts And Components
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Description

Product Specifications

 

Specification

Available Range / Standard

Product Format

Sealed or unsealed housing; housing with seals and locks; complete connector assembly

Number Of Positions

2-48 positions

Terminal Size

1.2, 1.5, 2.5, 2.8, 4.0, 6.3, and 9.5 mm terminal systems

Centerline / Pitch

2.5-16.5 mm

Complete Connector Voltage

12 V / 24 V / 48 V DC

Complete Connector Current

5-78 A per contact

Housing Materials

PA66, PA66 GF13/GF30, PBT GF30, PPS

Operating Temperature

-40°C to +150°C

Flammability

UL 94 HB / UL 94 V-0

Mated System Ingress Protection

IP67 / IP68 / IP69K

Locking And Sealing

Primary latch, TPA, CPA, secondary lock, wire seals, interface seals, and perimeter gaskets

 

Key Features

 

● Terminal Positioning And Locking Geometry

Terminal cavities, polarization keys, latch points, and optional secondary locks are formed to the approved terminal layout. They help prevent incorrect insertion and terminal back-out during vibration, cable movement, and repeated mating, so the electrical contacts remain aligned with the specified terminal system.

 

● Engineering Plastics Matched To The Installation Zone

Material selection depends on heat exposure, insulation needs, fluid contact, and dimensional limits. Available options include PA66, PBT, PPS, and glass-fiber-reinforced grades. For under-hood locations and compact power modules, the resin must hold the cavity shape and latch engagement without softening, swelling, or losing terminal retention.

 

● Integrated Sealing For Wet-Zone Connections

The housing can include perimeter gasket grooves, individual wire-seal cavities, interface seals, and rigid-soft overmolded sections. Water and dust resistance is checked on the complete mated connector with the specified terminals, seals, and cables. This applies to wheel-arch, battery, pump, and other exterior electrical installations.

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Customization Options

 

Electrical Configuration: Customize the pin count, terminal-cavity layout, and mating interface around the approved terminal system.

Housing And Sealing: Specify the resin grade, seal arrangement, and cable-exit direction for the intended installation zone.

Mounting And Identification: Select the locking or mounting structure, housing color, and molded identification required for assembly.

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Custom Process

 
01/

Requirement Confirmation

Confirm the terminal system, mating connector, and installation environment before engineering starts.

02/

Engineering Review

Validate terminal retention, electrical spacing, and seal compression against the approved interface.

03/

Mold Design And Manufacturing

Build the mold around the critical terminal cavities, locking features, and sealing surfaces.

04/

Trial Molding And Sample Approval

Assemble trial housings with the specified terminals and seals, then approve mating and lock operation.

05/

Production And Inspection

Control cavity dimensions, latch condition, and sealing features throughout each molding lot.

06/

Packing And Delivery

Protect mating faces and locks, then label each package by part number and drawing revision.

 

Quality Control

 

 

● Material Verification

Before molding, the resin grade, color, reinforcement, flame-retardant requirement, and drying condition are verified against the approved specification.

 

● Critical-Dimension And Fit Checks

Inspectors measure the terminal cavities, mating face, latch features, seal grooves, and mounting points with calibrated tools or dedicated gauges. Mating samples are also used to check engagement and release.

 

● Final Release

Parts with cracks, short shots, flash, deformation, contamination, or damaged locks are removed before packing. A complete pre-packing inspection is carried out on the finished parts, and third-party inspection can be arranged.

FAQ
 

Q1: Which shipping terms are available?

A1: Available shipping terms are EXW, FOB, and CIF. The order documents confirm the selected term, port, carton configuration, and shipment schedule.

Q2: What are the payment terms for a custom connector project?

A2: The mold fee is paid in advance, followed by a goods deposit. For EXW or FOB orders, the balance is paid after container loading and sealing. For CIF orders, it is paid before the bill of lading is released.

Q3: Can you supply only the plastic housing?

A3: Yes. Supply can be limited to molded housings, or it can include housings with seals and locks or a defined connector assembly. Terminal stamping, crimping, wire harness work, and electrical testing are supplied only when they appear in the approved project scope.

Q4: Does the housing alone have an IP67 or IP68 rating?

A4: No. IP67 or IP68 applies to the complete mated system, not the housing alone. Both housings, terminals, wire seals, interface seals, cables, and assembly conditions must be included when the finished connector configuration is validated.

 

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