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Frequently Asked Questions

Power Controller Topic: Protection Against Load Short-Circuiting

 

FAQ No. FAQ02034

 

Question

For G3PX Power Controller with the constant-current function, can protection be provided with the G3PX against load short circuiting?
 


Answer

No. Protection is not provided.


If short-circuit current flows, the elements will be destroyed before the constant-current or overcurrent detection currents operate. To protect the G3PX from short-circuit accidents, connect a quick-burning fuse.

 


Recommended fuses
 

Model Number

Manufacture

Product

Fuse

G3PX-220[][][]

50SHA20

60PFF20

Kyosan Electric Mfg. Co. Ltd.

G3PX-240[][][]

50SHA40

G3PX-260[][][]

URD-30063

FERRAZ

SHAWMUT

JAPAN INC.

 

Circuit Diagram


 

 

Other Power Controller FAQs

 Can three G3PX Controllers for single-phase applications be combined for control of three-phase loads?

 Which terminals should the G3PX inputs be connected to?

 What is a soft start?