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DEHN

DEHNguard TNS

DEHNguard TNS

Type 2 SPD with screw-terminal wiring, for sub-distribution boards

Regular price $916.85 AUD
Regular price Sale price $916.85 AUD
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Typ 2+3 SPD

Prewired complete unit consisting of a base part with double screw connection and plug-in protection modules; with remote signalling contact connection

High discharge capacity due to heavy-duty zinc oxide varistors/spark gaps

High device reliability due to ""Thermo Dynamic Control"" arrester monitoring

📋 Technical Data (Click to expand)
Specification Value
SPD according to EN 61643-11 / IEC 61643-11 Type 2 + Type 3 / Class II + Class III
Energy coordination with terminal equipment (≤ 10 m) Type 2 + Type 3
Nominal voltage (a.c.) (UN) 230 / 400 V (50 / 60 Hz)
Max. continuous operating voltage (AC) (UC) 275 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (In) 20 kA
Max. discharge current (8/20 µs) (Imax) 40 kA
Combination wave (UOC) 20 kV
Nominal load current for V-connection (IL) 63 A
Voltage protection level [L-PE]/[N-PE] (UP) ≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-PE]/[N-PE] at 5 kA (UP) ≤ 1 / ≤ 1 kV
Response time (tA) ≤ 25 ns
Max. mains-side overcurrent protection 125 A gG
Max. mains-side overcurrent protection with V-connection 63 A gG
Max. mains-side overcurrent protection with stub wiring 125 A gG
Short-circuit withstand capability (ISCCR) 50 kArms
Temporary overvoltage (UT) – Characteristic 335 V / 5 sec. – Withstand
440 V / 120 min. – Safe failure
Operating temperature range (TU) -40 °C ... +80 °C
Operating state / Fault indication Green / Red
Number of ports 1
Cross-sectional area (min.) 1.5 mm² solid / flexible
Cross-sectional area (max.) with stub wiring 35 mm² stranded / 25 mm² fine-stranded
Cross-sectional area (max.) with V-connection 16 mm² stranded / fine-stranded
For mounting on 35 mm DIN rails acc. to EN 60715
Enclosure material Thermoplastic, red, UL 94 V-0
Place of installation Indoor
Degree of protection IP 20
Capacity 4 modules, DIN 43880 Standard DIN module, DIN 43880
Type of remote signalling contact Changeover contact
Switching capacity (a.c.) 250 V / 0.5 A
Switching capacity (d.c.) 250 V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A
Cross-sectional area for remote signalling terminals max. 1.5 mm² solid / flexible
Arrester use at 16.7 Hz – Traction Power Supply Systems
Test voltage AC (UC) 275 V
Nominal AC voltage (UN) 230 / 400 V
Nominal frequency AC (fN) 16.7 Hz
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