Surge protection in industrial enclosures

M. Joshi:

What are the requirements for determining whether surge protection should be installed in industrial enclosures?  The enclosures will typically have motor drives, emergency stop systems and sensors/data acquisition.


Are Type 2 & 3 surge protection modules commonplace?

Chapter 44 of B.S. 7671. Protection Against Voltage Disturbances.


443.4 Over Voltage Control.


Protection against over Voltages shall be provided where the consequences caused by the over Voltage could:


(i) result in serious injury to, or loss of human life, OR


(ii) result in interruption of public services and/or damage to cultural heritage, OR


(iii) result in interruption of commercial or industrial activity, OR


(iv) affect large number of co-ordinated individuals.


For all other cases a risk assessment according to Reg. 443.5 shall be performed........

New surge protective devices (SPDs) - for all types of installation and all risk levels - YouTube


Z.

 

M. Joshi:

What are the requirements for determining whether surge protection should be installed in industrial enclosures?  The enclosures will typically have motor drives, emergency stop systems and sensors/data acquisition.


Are Type 2 & 3 surge protection modules commonplace?

Chapter 44 of B.S. 7671. Protection Against Voltage Disturbances.


443.4 Over Voltage Control.


Protection against over Voltages shall be provided where the consequences caused by the over Voltage could:


(i) result in serious injury to, or loss of human life, OR


(ii) result in interruption of public services and/or damage to cultural heritage, OR


(iii) result in interruption of commercial or industrial activity, OR


(iv) affect large number of co-ordinated individuals.


For all other cases a risk assessment according to Reg. 443.5 shall be performed........

New surge protective devices (SPDs) - for all types of installation and all risk levels - YouTube


Z.