Recent Articles
Accuracy dropped after STU replacement
If the STU is replaced outside the factory, the measurement accuracy of the STU may decrease, as shown in the table below. OCR STU P/S N A P/S Factory Calibration Current 6% - 0.5% 0.5% Voltage 3% - - 0.5% Power 10% - - CLASS 1.0 Calibration ...
Interphase Insulation Barriers (ACB)
Interphase Insulation Barriers – Overview Purpose The purpose of an interphase insulation barrier is to ensure adequate insulation performance between phases, helping to maintain electrical safety and prevent phase-to-phase faults within the breaker ...
38kV H type VCB Issue - Does not trip remotely, Spring is not charging.
Product Name: UVH-38H32E12 M5C5T5SC2U0 – A8 EXPS Site Address: Voltagrid – 14720 Omicron Dr, San Antonio, TX 78245 Date Visited: November 15, 2025 Customer Reported Issue: The customer reported that the breaker does not close, and the closing spring ...
MCCB UL Lug Compatibility & Specification Table (with Order Codes)
This article provides a summary of compatible lug terminals for LS Electric MCCB models, including wire size ranges, material types, available rated currents, torque specifications, and order codes. Please refer to the attached file below for ...
ACB Resistance and Power dissipation