2025年3月20日 · The letters LSIG signify the type of protection and available adjustments on certain trip units. L = Long Time (overload protection, analogous to the inverse-time thermal …

LSIG Protection. Long-Time Protection; Short-Time Protection; Instantaneous Protection; Ground-Fault Protection for Equipment; MicroLogic Trip Unit Configuration. Control Power; External …

• Ekip G Hi-Touch: LSIG The Ekip Touch trip unit can be equipped with the Ekip Measuring module to extend the measurement functions, or the protection and measurement functions …

2016年6月10日 · Note that modern circuit breakers (MCCB, ACB) mostly have an electronic tripping unit which is much more advanced comparing to these explained here, but the basics …

2023年6月11日 · 常见的主要特性保护分四段，简称LSIG，分别为过载脱扣保护，短路延时脱扣保护，瞬时脱扣保护和接地故障脱扣保护等。 因ACB比塑壳断路器（MCCB）的产品尺寸大， …

3 With PR122/P-LSIG or PR332/P-LSIG it is possible to set only either internal G protection (activated by ACB’s current sensors) or external G protection (with the external homopolar …

LSIG (long time, short time, instantaneous, ground) equipped circuit breakers are often required by - code in the application of larger UPS systems. Specifically, UPS systems fed by 480 volts …

CDW3系列框架断路器的额定电流覆盖400A至6300A,额定工作电压交流415V /690V,适用于交流50Hz/60Hz,-40℃～70℃极限环境条件。 主要用于配电网络中，用来分配电能，保护线路和电 …

2020年6月18日 · Air circuit breakers (ACB) are used for the protection of circuits which have current of about 800 Amperes to 10-kilo Amperes flowing through them. The ACB provides the …

Provides fault protection for LSIG functions. Provides LED trip indication (powered by an onboard battery). All display functions and trip unit features power-up with current flow on one phase …