Data Sheet

— at 10 kA / maximum
0.5kV
— at 5 kA / maximum
0.5kV
— at 4 kA maximum
0.5kV
— at 2 kA maximum
0.5kV
Response value of the surge voltage / at 6 kV / at
(1.2/50) µs
● between N and PE
1.5kV
Response time
● between L and (PE)N
25ns
● between N and PE
100ns
Settable response factor / of trip current 1.6
Fuse protection type / at V-shaped connection 63 A AC (gG)
Fuse protection type / for T-connector 315A AC (gG)
Connections/Terminals
Type of electrical connection Screw terminal
Wire stripping length 16mm
Tightening torque 4.3...4.7
Wire stripping length 16mm
Connectable conductor cross-section
● for finely stranded conductor
2.5...16
● for rigid conductor
2.5...25
● finely stranded
2.5...16
AWG number / as coded connectable conductor
cross section
12...4
Design of the thread / of the connection screw M5
Signal design optical
NEMA/UL - Data
Type of surge protective device (SPD) / according to
UL
4CA
Type of distribution system / according to UL 1
Type of distribution system TT, TN-S
Designation of the protective paths / according to UL L-N, L-G, N-G
TOV behavior
● at TOV test voltage (L-N)
415V AC (5s / withstand mode) / 440V AC (120min / safe
failure mode)
● at TOV test voltage (N-PE)
1200V (200ms / withstand mode)
Measured Limiting Voltage (MLV) / between L and
Ground (GND)
2.08kV
Measured Limiting Voltage (MLV) / between L and N 2kV
Measured Limiting Voltage (MLV) / between N and
Ground (GND)
0.95kV
Maximum Continuous Operating Voltage (MCOV) /
between L and Ground (GND)
350V
5SD7422-0 Subject to change without notice
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04/12/2019 © Copyright Siemens