DHO 20-T1-385-(3+1)-FM - Surge Protection Device | DHOceanProduct Image
DHO 20-T1-385-(3+1)-FM
DHO One-piece design Power design (Grade I / Type 1, 385V 20kA 10/350µs Surge Protective Device)
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Technical Specifications
29 common.itemsGradeGrade I
TypeType 1
Network Connection DiagramTN-S
Protection ModeL-N, N-PE
Protective ElementHigh Energy MOV+GDT
Housing DesignOne-piece compact design
StandardsGB/T 18802.11, IEC 61643-11
Certification Marks
CE
Max. Continuous Operating Voltage (Uc)385 V
Nominal Discharge Current (In 8/20µs)30 kA
Max. Discharge Current (Imax 8/20µs)120 kA
Pulse Discharge Current (Iimp 10/350µs)20 kA
Voltage Protection Level (Up)2.2 kV
Response Time (tA)≤ 100 ns
Max. Required Fuse250 A gL / gG
Short Circuit Current Rating (SCCR)300 A
Temperature Range-40 °C ~ +85 °C
Allowable Working Humidity5%...95%
Altitude-500 m ... 4000 m
Terminal Screw Torque2.0 Nm
Terminal Cross Section (Max)35 mm² (solid) / 25 mm² (fine)
Mounting35 mm DIN Rail, EN 60715
Type of Protection (IP Code)IP 20 (Built-in)
Housing MaterialPA66 (UL 94 V-0)
Fault IndicationRed fault
Remote Contact (FM)Optional
FM Switch CapacityAC: 250V/0.5A; DC: 250V/0.1A, 125V/0.2A, 75V/0.5A
FM Wire Cross Section (Max)16 AWG (Solid) / 1.8 mm² (Solid)