SurLok Plus™ | Compression Lug

The SurLok Plus™ is a high-performance compression lug solution engineered by Amphenol Industrial Operations, designed to meet the needs of high-voltage power applications across industries like electric vehicles (EVs), energy storage, and industrial equipment. Offering easy field installation, superior safety features, and robust performance, the SurLok Plus™ has become a preferred choice for reliable power distribution without the need for special torque tools.

Key Features

• Compression Lug Design: The SurLok Plus™ series utilizes an innovative compression lug system, allowing for secure connections using standard crimp, screw, or busbar termination methods. This design eliminates the need for torque-specific tools, simplifying installation and reducing downtime.
• R4 RADSOK® Technology: Featuring Amphenol’s R4 RADSOK® technology, the SurLok Plus™ achieves enhanced electrical performance with high conductivity, low insertion force, and superior contact stability. The stamped and formed grid structure maximizes the surface area for efficient current distribution, providing high reliability even in demanding environments.
• High Voltage and Current Ratings: Available in both 1000V DC and 1500V DC versions, SurLok Plus™ supports a wide range of current ratings from 50A to 500A. These capabilities make it an ideal solution for high-voltage systems where dependable, high-current transmission is required.
• Quick-Lock and Press-to-Release: A user-friendly design featuring a quick-lock and press-to-release mechanism allows for fast, tool-free connections and disconnections. This feature significantly reduces the time required for maintenance and ensures safe operation in high-voltage environments.
• 360° Rotating Plug: The series offers a 360° rotating plug, allowing for flexible cable routing during installation. This flexibility is especially important in tight spaces where precise cable positioning is necessary.
• Durable Housing: Housed in rugged thermoplastic shells that offer exceptional mechanical and dielectric strength. With IP67 or IP6K9K ingress protection (depending on the size and voltage rating), the SurLok Plus™ is protected against dust, water, and harsh environmental conditions.
• Safety-Centric Design: Designed with safety in mind, SurLok Plus™ features a touch-proof construction, preventing accidental contact with live components. The optional HVIL (High Voltage Interlock) and EMI shielding ensure additional protection, particularly in sensitive high-voltage applications.
• Wide Temperature Range: Operating within a temperature range of -40°C to 125°C, the SurLok Plus™ connectors are built to perform reliably in extreme temperature conditions, making them suitable for outdoor and industrial settings.
• Global Certifications: The series is UL1977 and TUV 2PfG2740 certified, ensuring compliance with stringent international safety and performance standards. Additionally, it is fully RoHS and REACH compliant, making it a safe and eco-friendly solution for global applications.

Applications

• Electric Vehicles (EVs) and Hybrid Electric Vehicles (HEVs): The SurLok Plus™ provides high-current, high-voltage connections for electric vehicle power systems, ensuring safe and reliable energy transfer between battery packs and other components. The SurLok Plus™ design supports quick disconnection for maintenance or emergency purposes, without the need for specialized tools.
• Energy Storage Systems: The demand for efficient, secure, and durable connectors in energy storage systems has grown exponentially. SurLok Plus™ is ideal for use in grid-level energy storage and commercial energy storage systems, offering reliable power transmission for both routine and emergency situations.
• Heavy Equipment: For heavy industrial applications that require robust electrical connections, such as mining, construction, and agricultural machinery, SurLok Plus™ provides the durability and strength needed to perform in harsh environments.
• Rail and Mass Transit: In transit systems, reliable power connections are critical for smooth and efficient operations. This series meets the demanding requirements of rail and mass transit systems, providing high-voltage, secure connections that withstand the rigors of daily operation.

Technical Specifications

• Rated Voltage: 1000V DC and 1500V DC options
• Current Range: 50A to 500A
• Ingress Protection: IP67 or IP6K9K, depending on size and voltage rating
• Operating Temperature: -40°C to 125°C
• Touch Proof: Yes
• Rotating Plug: 360° rotating plug for flexible cable installation
• Flammability Rating: UL94 V-0 (self-extinguishing)
• Certification: UL1977, TUV 2PfG2740, RoHS, and REACH compliant
• Durability: Rated for over 100 mating cycles

Why SurLok Plus™ | Compression Lug?

The SurLok Plus™ series stands out as an ideal solution for industries requiring compression lugs that provide efficient, secure, and reliable power connections in high-voltage environments. Its ability to handle both new installations and retrofits without specialized tools makes it a versatile choice for technicians and engineers alike. Whether in electric vehicles, energy storage systems, or industrial heavy equipment, SurLok Plus™ delivers exceptional performance while ensuring maximum safety.

Its advanced design offers not only ease of installation but also the flexibility to adapt to various configurations, such as rotating plugs and multiple termination options. With built-in safety features like HVIL and EMI shielding, SurLok Plus™ is equipped to meet the stringent requirements of today’s power-hungry applications. By choosing SurLok Plus™, companies are investing in a durable, globally certified solution that enhances operational efficiency and ensures long-term reliability in their power systems.

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