Q1. What is “Three-Stage Protection”?Three-stage protection is a common electronic trip combination in MCCBs (Molded Case Circuit Breakers):Long Time (L): Protects against overload, controls temperature rise, inverse time only.Short Time (S): Protects against medium-level short circuits, provides se

1. Introduction The North American low-voltage power distribution network utilizes a split-phase system (officially designated as a single-phase three-wire system). This architecture is the backbone of residential and light-commercial power delivery, offering 120V and 240V from a single transformer

A Summer to Meet, Grateful We Walk TogetherIn July, in Fu'an where mountains meet the sea, the passion for electrical technology flows.On July 11, 2025, Jiangsu AISIKAI Electric Co., Ltd. grandly launched its “Together for Shared Success” Fujian Customer Appreciation Event amidst the jasmine fragran

The 24th Shanghai International Power Equipment and Generator Sets Exhibition concluded successfully at the Shanghai New International Expo Center on June 13, 2025. This grand event, hailed as the barometer of the power equipment and generator sets industry, has attracted the attention