Jera Line is proud to announce that the cable lug with 2 hearhead bolts CLB-2K-VzT-36-2-25-150 has successfully passed the full IEC 61238-1 type test program, verified by an independent accredited third-party laboratory.

Product overview of Long palm Shear bolt cable terminals CLB-2K-VzT-36-2-25-150

Shear off Cable Lugs 25-150 are designed for utility and industrial applications, this cable lug provides a reliable, tool-efficient solution for medium-voltage cable terminations, ensuring consistent electrical and mechanical performance under demanding operating conditions.

Key Features

• IEC 61238-1 Type Tested Shearbolt lugs: Proven electrical, thermal, and mechanical performance for utility-grade installations.
• 2-Hole Long Palm Design: Ensures secure contact, stable current flow, and improved vibration resistance.
• Shear-Head Bolts Technology: Controlled installation torque without the need for hydraulic crimping tools.
• Wide Conductor Range: Suitable for aluminum and copper conductors from 25 to 150 mm².
• Long-Term Mechanical Stability: Designed for reliable operation throughout the service life of MV networks.
• Direct Factory Manufacturing in China: Full quality control, traceability, and competitive pricing from Jera Line.

IEC‑61238‑1 Type Test Scope

Jera Line is a Chinese supplier of shearhead torque lugs for 25-150 mm² conductors. Our products have successfully passed all required electrical and mechanical tests in accordance with IEC‑61238‑1.The test scope covers the following key categories:

Electrical Performance Tests: Confirmation that contact resistance remains within IEC limits

• Initial electrical resistance measurement
• Temperature rise test under rated current
• Electrical stability verification after thermal cycling

Mechanical Strength Tests: Confirmation of secure clamping after shear-head bolt break-off

• Tensile (pull-out) test on the conductor–connector assembly
• Verification of mechanical retention strength

Passing all these tests confirms that the CLB-2K-VzT-36-2-25-150 Shear bolts mechanical terminal lugs meets the highest standards for utility‑grade MV connectors.

Jera Line — Your IEC-61238 Tested Direct China Factory

Jera Line is a trusted manufacturer of IEC 61238-1 type-tested mechanical shear-bolt lugs, delivering reliable and utility-approved cable connection solutions for low- and medium-voltage power networks worldwide.

• IEC 61238-1 IEC-61238 Tested Direct China Factory

Our mechanical shear-bolt lugs are fully tested in independent accredited laboratories in accordance with IEC 61238-1, validating electrical performance, thermal stability, mechanical strength, and short-circuit withstand capability.

• In‑house electrical and mechanical laboratories

Continuous quality control through in-house testing facilities, ensuring consistent product performance and compliance throughout production.

• Direct China Factory Manufacturing

As a direct manufacturer, Jera Line maintains full control over material selection, machining, surface treatment, and final inspection—ensuring consistent quality, traceability, and competitive pricing.

• Engineering Support & Customization

Our technical team supports OEM, private labeling, and customized designs, including palm geometry, bolt configuration, and conductor ranges tailored to project and utility requirements.

Jera Line — Your IEC-61238 Tested Mechanical Shear-Bolt Lug Manufacturer. Engineered for safety. Tested for reliability. Manufactured for utilities.

If you have any inquires, please feel free to contact us.