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Hirschmann 709-427-504 High-Current Terminal | 300A 1kVDC EV Grade
Short Description:
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Manufacturer: Hirschmann
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Part Number: 709-427-504
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Category: High-Power Automotive Terminal
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Current Rating: 300 A Continuous
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Voltage Rating: 1 kVDC (EV System Compatible)
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Contact Plating: Gold-flashed (Superior Anti-corrosion)
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Wire Compatibility: Up to 2/0 AWG (Heavy-duty)
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IP Rating: IP67 (Dust & Waterproof when mated)
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Operating Temp: -40°C to +150°C
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Termination: Crimp (Optimized for Automated Lines)
Product Detail
Product Tags
Shop Hirschmann 709-427-504 high-current terminal. Features 300A continuous rating, 1kVDC voltage, and gold-flashed plating. Designed for EV powertrains and heavy-duty industrial circuits. IP67 rated.
Data Overview
| Attribute Category | Technical Specification |
| Brand | Hirschmann |
| Model Number | 709-427-504 |
| Product Category | Electronic Components / Power Terminals |
| Continuous Current | 300 A |
| Nominal Voltage | 1,000 VDC |
| Plating Material | Gold-flashed (Au over Ni) |
| Base Material | High-Conductivity Copper Alloy |
| Maximum Wire Size | 2/0 AWG (approx. 70mm²) |
| Wire Cross Section | 4.0 mm² – 70 mm² range compatible |
| Vibration Tolerance | 30 m/s² (10–2000 Hz) |
| Sealing Protection | IP67 (Waterproof) |
| Temperature Range | -40°C to +150°C |
Product Details
| Engineering Features & Specs | Technical & Operational Advantages | Strategic Business Benefits |
| 300A / 1kVDC Power Capacity | Specifically engineered to handle the massive energy transfer requirements of modern EV powertrains and fast-charging systems. | Maximum Safety Assurance: Prevents catastrophic system failures and fire risks caused by terminal overheating in high-voltage environments. |
| Gold-Flashed Copper Alloy | Combines the ultra-high conductivity of copper with the premium corrosion resistance of gold. | Long-Term Connection Stability: Eliminates resistance spikes caused by oxidation, ensuring consistent vehicle performance and reduced maintenance over 15+ years. |
| 150°C Thermal Threshold | Maintains mechanical and electrical integrity even in the extreme heat of engine bays or heavy industrial machinery. | Unrivaled Durability: Reduces the risk of “connector melting” during peak load periods, protecting your brand’s reputation for vehicle reliability. |
| Crimp-Type Termination | Designed for precision high-speed crimping on fully automated wire harness assembly lines. | Production Cost Efficiency: Increases throughput and ensures 100% crimp consistency, lowering labor costs and assembly-related defects. |
Our advantage
● Brand supply diversification,
Convenient one-stop shopping
● Covers a wide range of fields
Automobile, electromechanical, industrial, communication, etc.
● Complete information, fast delivery
Reduce intermediate links
● Good after-sales service
Quick response, professional reply
● Original genuine guarantee
Support professional consultation
● After-sales problems
Ensure that the imported original products are genuine. If there is a quality problem, it will be solved within one month of receiving the goods.
Q1: Is the Hirschmann 709-427-504 compatible with standard EV battery packs?
A: Yes. The 709-427-504 is specifically designed for high-voltage DC environments (up to 1kVDC), making it a standard choice for EV battery management systems (BMS), motor controllers, and PDU (Power Distribution Unit) modules.
Q2: Why use a Gold-flashed coating instead of standard Tin?
A: While Tin is common, the Gold-flashed coating on the 709-427-504 provides superior protection against oxidation and fretting corrosion, which is critical in high-vibration automotive environments where any increase in resistance could lead to overheating at 300A.
3: What is the maximum vibration this terminal can withstand?
A: This terminal is rated for a vibration tolerance of 30 m/s² (across 10–2000 Hz), ensuring it maintains electrical contact in heavy-duty truck engines or high-performance electric vehicle platforms.
