INDUSTRY COMPONENT

DC Connector

DC connector is an electrical component that provides secure power transmission between battery systems and electronic devices in industrial applications.

View Specifications

Component Specifications

Definition
A DC connector is a specialized electrical interface designed to establish and maintain a reliable power connection between direct current (DC) sources, typically battery packs, and industrial machinery or electronic equipment. It ensures efficient energy transfer while preventing accidental disconnection, short circuits, and power loss through precise mechanical and electrical design.
Working Principle
DC connectors operate by establishing physical contact between conductive pins (male) and sockets (female) to complete an electrical circuit. They utilize spring-loaded contacts, locking mechanisms, or friction fits to maintain connection integrity, while insulation materials prevent short circuits and environmental ingress. Polarity protection features ensure correct orientation to prevent reverse connection damage.
Materials
Contacts: Phosphor bronze or beryllium copper with gold plating about 0.1-0.8 um over a 2-5 um nickel underplate. Housing: Polyamide (PA66), polycarbonate (PC), or thermoplastic polyester (PBT) with UL94 V-0/V-2 flame rating. Insulation: PVC, silicone rubber, or thermoplastic elastomer. Seals: Silicone or fluorosilicone rubber (IP67/IP68 rated).
Technical Parameters
ParameterTypical rangeNotes & selection driver
PolarityKeyed or polarized design
IP RatingIP67/IP68
Mating Cycles>5000 cycles
Current Rating5-30A
Voltage Rating12-48V DC
Contact Resistance<10mΩ
Dielectric Strength500V AC for 1 minute
Insulation Resistance>1000MΩ
Operating Temperature-40°C to +85°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
IEC 61984, UL 1977, MIL-DTL-55181, ISO 8092

Parent Products

This component is used in the following industrial products

Battery Interface

Electrical and communication interface connecting battery storage systems to solar inverters

View Product Details

Engineering Analysis

Risks & Mitigation
  • Electrical arcing during disconnection under load
  • Polarity reversal causing equipment damage
  • Contact corrosion in humid environments
  • Overheating due to poor contact or excessive current
  • Mechanical failure of locking mechanisms
FMEA Triads
Trigger: Contact oxidation or contamination
Failure: Increased contact resistance leading to voltage drop and overheating
Mitigation: Use gold-plated contacts, implement protective caps when not in use, regular cleaning maintenance
Trigger: Incorrect mating or forced connection
Failure: Polarity reversal, pin bending, or housing damage
Mitigation: Implement keyed/polarized designs, clear labeling, training for proper handling procedures
Trigger: Vibration in industrial environments
Failure: Intermittent connection or complete disconnection
Mitigation: Use locking mechanisms (threaded, bayonet, or latch types), vibration-resistant designs, strain relief features

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
Contact position tolerance: ±0.15mm, Housing dimensions: ±0.2mm, Current rating: +0%/-10% of specified value
Test Method
Electrical: Contact resistance (4-wire method), dielectric strength (hipot test), insulation resistance. Mechanical: Mating force, durability cycles, vibration resistance. Environmental: Temperature cycling, salt spray, humidity testing per IEC 60529.

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of DC Connector

4 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Shanghai EBASEE Electric Co. Ltd.
Shanghai, CN
Founded 1999350+ staff40000+ m
TUV KEMA CB SEMKO +3
Also makes: Automatic Transfer Switch, Power Distribution, Feed Box and 1 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “Photovoltaic DC Connector”
View source page ↗ ebasee.com · checked 2026-08-26
View profile Send enquiry
DEGSON
Zhejiang, CN
Also makes: Feed-through Terminal Blocks, Power Distribution Module, Power Distribution and 9 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “PV DC Connector”
View source page ↗ degson.com · checked 2026-08-26
View profile Send enquiry
Guangdong QINX Technology Co., Ltd.
Guangdong, CN
Also makes: AC-DC Converter, Junction Box, LED Driver and 8 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “DC Connector Options”
View source page ↗ qinxpsu.com · checked 2026-09-07
View profile Send enquiry
MetabeeAI
Chengdu, Sichuan, CN
Also makes: High-Frequency RF Connector, Energy Storage/Transfer Element (for active systems), Output Attenuator and 3 more
Listed on the company's own website · profile compiled by CNFX from public sources
Listed there as: “GB/T DC Connectors”
View source page ↗ metabeeai.com · checked 2026-09-14
View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Share this page

Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

Related Components

Dielectric Layer
Insulating layer in surface mount capacitors that stores electrical energy through polarization.
Optical Window
Transparent optical component for light transmission in polycarbonate lens housings
PCB Substrate
PCB substrate is the foundational insulating layer that provides mechanical support and electrical connectivity for electronic components in high-speed memory modules.
Edge Connector
Edge connector is a printed circuit board (PCB) connector that mates with the edge of another PCB, commonly used in high-speed memory modules for reliable electrical connections.

Frequently Asked Questions

What is the difference between DC and AC connectors?

DC connectors are designed for direct current applications with polarized contacts to prevent reverse connection, while AC connectors handle alternating current and typically lack polarity protection. DC connectors often have lower voltage ratings but higher current density requirements for battery systems.

How do I select the right DC connector for my application?

Consider voltage/current requirements, environmental conditions (IP rating), mating cycle durability, connector size, locking mechanism needs, and compliance with industry standards. Always verify compatibility with existing battery interfaces and equipment.

What maintenance do DC connectors require?

Regular inspection for contact corrosion, debris accumulation, and housing damage. Clean contacts with isopropyl alcohol, check locking mechanisms function properly, and verify insulation integrity. Replace connectors showing signs of overheating or physical damage.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Request Manufacturing Insight for DC Connector

Thank you. Your request has been sent. We'll respond within 1–3 business days.
Sorry, we couldn't send your message. Please try again, or email us at [email protected].
XOR Gate
Get QuotesChat