Specification
DG S 275 FM (952 090)
■ Multi-purpose surge arrester consisting of a base element and a plug-in protection module
■ High discharge capacity due to heavy-duty zinc oxide varistor
■ High reliability due to "Thermo Dynamic Control" SPD monitoring device
Pluggable single-pole surge arrester consisting of a base part and a plug-in protection module; with floating remote signalling contact.
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.) (UC) 275V (50 / 60 Hz)
Max. continuous operating voltage (d.c.) (UC) 350 V
Nominal discharge current (8/20 µs) (In) 20 kA
Max. discharge current (8/20 µs) (Imax) 40 kA
Voltage protection level (UP) ≤ 1.5 kV
Voltage protection level at 5 kA (UP) ≤ 1 kV
Response time (tA) ≤ 25 ns
Max. mains-side overcurrent protection 125 A gG
Short-circuit withstand capability for max. mains-side overcurrent
protection (ISCCR) 50 kArms
Temporary overvoltage (TOV) (UT) – Characteristic 335 V / 5 sec. – withstand
Temporary overvoltage (TOV) (UT) – Characteristic 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 mm
2 solid / flexible
Cross-sectional area (max.) 35 mm
2 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 1 module(s), DIN 43880
Approvals KEMA, VDE, UL, CSA
Type of remote signalling contact changeover contact
Cross-sectional area for remote signalling terminals max. 1.5 mm
2 solid / flexible