ZOTUP SPD L 25-100 230 t ff 3+1 PLC About

ZOTUP SPD L 25-100 230 t ff 3+1 PLC

L 25/100 230 t ff 3+1 is a ready to install assembly of three voltage limiting and a voltage switching SPD providing ten modes of protection, typically installed in three-phase plus neutral 230/400 V TT-systems where connection type CT2 (3+1) is required according to HD 60364-5-534, e.g. in the Main Distribution Board (MDB).

• Impulse test classification: Test class I and II according to IEC 61643-11 Ed. 1 (2011-03) and Type 1 and 2 according to EN 61643-11 (2012-10);
• Backup protection is not required with an upstream CB 160 A or up to an Isccr 5 kA rms;
• Three colour Status Indicator with progressive indication of remaining performance.

 

Advanced Surge Protection for PLC Systems

The ZOTUP SPD L 25-100 230 t ff 3+1 PLC is designed to provide outstanding protection to sensitive automation and power infrastructure. With a rapid response time below 25 ns and the ability to withstand up to 50 kArms with a backup fuse, this device ensures system reliability even in extreme conditions. Compatibility with Indian industrial standards assures both safety and resilience.


Easy Maintenance with Replaceable Modules

Equipped with pluggable replacement modules (RM-L25-100-230-PLC) and a visible optical fault indicator, the ZOTUP SPD streamlines maintenance. This feature allows for quick swaps of faulty modules without system downtime, reducing operational interruptions and maintenance costs.