Page 17 - photovoltaic-2019-V19

SURGE PROTECTION - AC

Device In 8/20μs Total Voltage
Type Acc. System Nominal Discharge Protection Part No.
Voltage
IEC 61643 Discharge Current level Up
Lightning Current and Surge Arrestors - Category C2 & C3
T1 & T2 240VAC Single Phase + N 25kA 50kA 10/350μs ≤1.5kV DVMTT2P255FM
T1 & T2 240VAC Three Phase + N 25kA 100kA 10/350μs ≤1.5kV DVMTT255FM

DVMTT

Device In 8/20μs Total Voltage
Type Acc. System Nominal Discharge Protection Part No.
Voltage
IEC 61643 Discharge Current level Up
Lightning Current and Surge Arrestors - Category C2 & C3
T1 & T2 240VAC Single Phase + N 12.5kA 25kA 10/350μs ≤1.5kV DSHTT2P255
T1 & T2 240VAC Three Phase + N 12.5kA 50kA 10/350μs ≤1.5kV DSHTT255

DSHTT

Device In 8/20μs Total Voltage
Type Acc. System Nominal Discharge Protection Part No.
Voltage
IEC 61643 Discharge Current level Up
Modular Surge Arrestors - Category C1
T2 240VAC Single Phase 20kA 40kA 8/20μs Imax ≤1.5kV DGS275*
T2 240VAC Single Phase + N 20kA 40kA 8/20μs Imax ≤1.5kV DGMTT2P275*
T2 240VAC Three Phase + N 20kA 40kA 8/20μs Imax ≤1.5kV DGMTT275*

* Add FM to end of part number for signal contact.
DGS275 DGMTT

Device In 8/20μs Total Voltage
Type Acc. System Nominal Discharge Protection Part No.
Voltage
IEC 61643 Discharge Current level Up
Monoblock Surge Arrestors - Category C1
T2 240VAC Single Phase + N 20kA 40kA 8/20μs Imax ≤1.5kV DGTT2P20340
T2 240VAC Three Phase + N 20kA 40kA 8/20μs Imax ≤1.5kV DGTT20340
For cost eff ective domestic applications. DGTT2P20340

Device In 8/20μs Total Voltage
Type Acc. System Nominal Discharge Protection Part No.
IEC 61643 Voltage Discharge Current level Up
Compact Monoblock Surge Arrestors - Category B
T2 240VAC Single Phase + N 5kA 15kA 8/20μs Imax ≤1.5kV DGTT2P5275
T2 240VAC Three Phase + N 5kA 15kA 8/20μs Imax ≤1.5kV DGTT5275
DGTT2P5275 DGTT5275
For high rise tennancies or apartments.

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