8mm HVIL High Voltage Interlock Loop Single Pole Connector, A Key, Plug, 50mm², 250A
Introduction
The 8mm HVIL High Voltage Interlock Loop Single Pole Connector sets a new standard for safety, performance, and durability. This straight-orientation Plug connector, meticulously designed with an A Key configuration, is the essential link for electric vehicle (EV) batteries, charging infrastructure, and high-capacity energy storage systems. Featuring a robust 8mm terminal diameter and designed to accommodate a substantial 50mm² wire gauge with integrated shielding, it is optimized for high-power transfer while minimizing electromagnetic interference. The core functionality is underpinned by the essential High Voltage Interlock Loop (HVIL) mechanism, providing critical safety disengagement before main power contacts break, thus protecting personnel and sensitive electronics during connection or disconnection.
Constructed from premium materials to ensure absolute reliability, the connector’s housing is fabricated from PA66-GF (Glass Fiber Reinforced Polyamide 66), offering exceptional mechanical strength and thermal stability. Inside, the contact components are made from a high-conductivity Copper Alloy, fortified with a superior Silver Plated finish. This combination guarantees minimal contact resistance and exceptional longevity, even under continuous high-current operation. Technically rated for 1500V DC and a formidable 250A, this connector is a powerhouse. Its environmental resilience is further validated by an IP67 protection rating, ensuring complete immunity to dust ingress and temporary immersion in water. Additionally, the UL94V-0 flammability rating confirms its self-extinguishing properties, while an expansive operating temperature range of -40°C to 125°C guarantees flawless performance in the most extreme thermal environments.
Key Features:
- High-Current/Voltage Rating: Capable of handling 1500V DC and 250A for high-power applications.
- Integrated Safety: Features HVIL (High Voltage Interlock Loop) for critical pre-disengagement safety.
- Robust Wire Accommodation: Supports 50mm² wire gauge with integrated shielding; 8mm terminal diameter.
- Premium Construction: PA66-GF housing and Silver Plated Copper Alloy contacts ensure durability and low resistance.
- Extreme Environmental Durability: IP67 and UL94V-0 rated, with a wide operating temperature of -40°C to 125°C.
Main Specifications:
General Information:
| Part No.: | ST521000-A-50 | |
| Product Series: | HVIL Connectors | |
| Brand: | Metabee | |
| Gender: | Plug | |
| Orientation: | Straight | |
| Connector Coding: | A Key | |
| Number of Positions: | 1 Pin | |
| Terminal Diameter: | 8mm | |
| Wire Gauge: | 50mm² | |
| Shielding: | Shielded | |
| Other Feature: | None |
Materials and Plating:
| Shell Material: | PA66-GF | |
| Shell Plating: | Not Applicable | |
| Contact Material: | Copper Alloy | |
| Contact Plating: | Silver Plated |
Electrical Performance:
| Rated Voltage: | 1500V DC | |
| Rated Current: | 250A | |
| Insulation Resistance: | > 200MΩ | |
| Withstanding Voltage: | 3000V AC | |
| Durability (Mating): | < 500 Cycles |
Environmental Performance:
| IP Rating: | IP67 | |
| Flammability Rating: | UL94V-0 | |
| Operating Temperature: | -40°C to +125°C |
Applications of this 8mm HVIL High Voltage Interlock Loop Single Pole Connector:
HVIL (High Voltage Interlock Loop) connectors are critical safety-centric components designed to ensure that a high-voltage system is automatically and safely de-energized before a connection is fully broken..
Here are some main applications:
- Battery Pack Module Interconnects in Electric Vehicles;
- High-Voltage Cable Harness Termination Points;
- Inverter / Motor Controller Interfaces;
- Electric / Hybrid Vehicle Accessories (HV Loads);
- Power Distribution Units / Junction Boxes in EVs;
- On-board Chargers / DC Fast Charger Interfaces.
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