Surge Protection Device – 320VAC DEHN, high voltage protection

Surge Protection Device 320VAC

A prewired complete unit consisting of a base part and plug-in protection modules.
High discharge capacity due to heavy-duty zinc oxide varistors/spark gaps.
High reliability due to “Thermo Dynamic Control” SPD monitoring device

Type DG M TT 2P 320 FM
Part No. 952 135
Surge Protection Device (SPD) according to EN 61643-11 / IEC 61643-11 type 2 / class II
Energy coordination with terminal equipment (≤ 10 m) type 2 + type 3
Nominal voltage (a.c.) (UN) 230 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [L-N] (UC) 320 V (50 / 60 Hz)
Max. continuous operating voltage (a.c.) [N-PE] (UC) 255 V (50 / 60 Hz)
Nominal discharge current (8/20 µs) (In) 20 kA
Max. discharge current (8/20 µs) (Imax) 40 kA
Lightning impulse current (10/350 µs) [N-PE] (Iimp) 12 kA
Voltage protection level [L-N]/[N-PE] (UP) ≤ 1.5 / ≤ 1.5 kV
Voltage protection level [L-N] / [N-PE] at 5 kA (UP) ≤ 1.2 / ≤ 1.5 kV
Follow current extinguishing capability [N-PE] (Ifi) 100 Arms
Response time [L-N] (tA) ≤ 25 ns
Response time [N-PE] (tA) ≤ 100 ns
Max. mains-side overcurrent protection 125 A gG
Short-circuit withstand capability for max. mains-side overcurrent
protection (ISCCR) 25 kArms
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic 335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic 440 V / 120 min. – safe failure
Temporary overvoltage (TOV) [N-PE] (UT) – Characteristic 1200 V / 200 ms – withstand
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.) 35 mm2 stranded / 25 mm2 flexible
For mounting on 35 mm DIN rails acc. to EN 60715
Enclosure material thermoplastic, red, UL 94 V-0
Place of installation indoor installation
Degree of protection IP 20
Capacity 2 module(s), DIN 43880
Approvals KEMA
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
Extended technical data: ———————————
Voltage protection level [L-PE] (UP) 1.75 kV
Weight 253 g
Customs tariff number (Comb. Nomenclature EU) 85363030
GTIN 4013364128538
PU 1 pc(s)