Panasonic TYPE E Surge Protector User Manual


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“ZNR” Transient/Surge Absorbors, Type E, Type CK, SC
– EC131 –
“ZNR” Transient/Surge Absorbers
f ZNR1
Protected
Equipment
f
ZNR1
Protected
Equipment
ZNR2
Thermal. Fuse
Thermal
coupling
f ZNR3
Protected
Equipment
f ZNR3
Protected
Equipment
ZNR4
Thermal. Fuse
Thermal
coupling
f
f
Table 1. Application Examples
Con nec tions
Across-the-Line/Line to Line Protection Line to Line and Line to Ground Protection
D.C.
A.C. Single phase
D.C.
A.C. Single phase
A.C. 3 phase A.C. 3 phase
Selection Examples
Across the Line Use/Line to Line Line to Ground Use
ZNR
Nominal
Line Voltage
Part Number of ZNR
ZNR
Nominal
Line Voltage
Part Number of ZNR
Type E, CK, SC Type E, CK, SC
ZNR1
ZNR3
AC 100 V
ERZC
२२
EK
ERZC
२२
CK
ERZVS34C
201
241
271
ZNR2
ZNR4
AC 100 V
to AC 220 V
ERZC
२२
EK
ERZC
२२
CK
ERZVS34C
471
511
821
✽✽
AC 120 V
241
271
✽
AC 200 V
to AC 220 V
471
AC 240 V
511
821
✽✽
AC 240 V 511
f : fuse
f : fuse
f : fuse
f : fuse
Apr. 200800
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