Transient Voltage Surge Suppression
Transient Voltage Surge Suppression
Transient Voltage Surge Suppression
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Powerware ® SPDi<br />
Din Rail Mounted <strong>Surge</strong> Diverters<br />
Applications:<br />
<br />
<br />
<br />
<br />
<br />
<br />
<br />
electrical sources. The unit is intended for point-of-entry or sub-board protection in low to medium exposed locations adjacent to the<br />
<br />
2 Mode 1 Stage <strong>Surge</strong> Diverter<br />
<strong>Surge</strong> Category<br />
L1 MOV<br />
Protection<br />
L2 MOV<br />
Protection<br />
L3 MOV<br />
Protection<br />
L1<br />
L2<br />
Normal<br />
Mode<br />
Normal<br />
Mode<br />
L1<br />
L2<br />
The SPDi is suitable for use in<br />
category locations:<br />
Power<br />
Input<br />
L3<br />
Normal<br />
Mode<br />
L3<br />
Power<br />
Output<br />
Category D<br />
N<br />
Common Mode<br />
N<br />
<br />
Exposure (SPD120i Only)<br />
E<br />
E<br />
Category C<br />
SPD3Ni Block Diagram<br />
(6kV/15kA) Point of Entry/ Service<br />
Entrance<br />
2 Mode 1 Stage <strong>Surge</strong> Diverter<br />
L1 MOV<br />
L2 MOV<br />
L3 MOV<br />
Protection<br />
Protection<br />
Protection<br />
Category B<br />
<br />
final sub circuits<br />
L1<br />
L1<br />
L2<br />
L2<br />
Power<br />
Input<br />
L3<br />
Common<br />
Mode<br />
Common<br />
Mode<br />
L3<br />
Power<br />
Output<br />
N<br />
Common<br />
Mode<br />
Common<br />
Mode<br />
N<br />
E<br />
E<br />
SPD3Gi Block Diagram<br />
14 Eaton TVSS<br />
Point of Entry Protection
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