News & Blog

Jul 10, 2026

Disconnector Switch Selection Guide for Medium-Voltage Overhead Lines

Select MV disconnector switches for 15–38 kV lines: voltage class, continuous current, BIL, load-break duty, and IEEE/IEC type test docs utilities expect.

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Jul 09, 2026

Lightning Surge Arrester for Power Grids: Reliable Protection for Industrial Electrical Systems

An arrester’s nominal voltage is not a complete statement of its protection duty. System earthing, temporary overvoltage, the protected equipment’s insulation and the physical lead...

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Jul 08, 2026

Polymer Pin Insulator Selection for 11 kV Overhead Lines

11 kV polymer pin insulator guide: creepage for pollution class, cantilever load, silicone vs porcelain, and IEC 60815 selection basics for utilities.

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Jul 08, 2026

Expulsion Fuse Link Selection Guide for Overhead Distribution Lines

Expulsion fuse link selection for overhead lines: K vs T speed, amp and interrupting ratings, cutout coordination, and IEEE C37.41 / IEC 60282-2 tests.

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Jul 01, 2026

Vacuum Circuit Breaker Installation for Electrical Contractors: Fast Setup and Troubleshooting Solution

A medium-voltage breaker can match the required voltage class yet still be unsuitable for an existing panel. Control voltage, terminal geometry, auxiliary contacts, racking positions...

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Jun 29, 2026

Technical Guide to Vacuum Circuit Breakers for Medium Voltage Buyers

When a procurement engineer in Pune reviewed a feeder replacement, the first energisation attempt ended in a trip and a long commissioning delay. The visible...

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