Specification
DEHNgap
DGP M 255 FM (961 105)
■ Discharge capacity up to 100 kA (10/350 µs)
■ Total current arrester specifically designed for installation in "3+1" and "1+1" circuits of TT systems according to IEC 60364-5-53 between neutral conductor N and protective conductor PE
■ Creepage discharge spark gap technology
Coordinated and modular single-pole N-PE lightning current arrester for UC = 255 V; also available with remote signalling contact for the monitoring system (floating changeover contact).
SPD according to EN 61643-11 / IEC 61643-11 type 1 / class I
Max. continuous operating voltage (a.c.) (UC) 255 V (50 / 60 Hz)
Lightning impulse current (10/350 µs) (Iimp) 100 kA
Specific energy (W/R) 2.50 MJ/ohms
Voltage protection level (UP) ≤ 1.5 kV
Follow current extinguishing capability (a.c.) (Ifi) 100 Arms
Response time (tA) ≤ 100 ns
Temporary overvoltage (TOV) (UT) – Characteristic 1200 V / 200 ms – withstand
Operating temperature range (parallel connection) (TUP) -40 °C ... +80 °C
Operating temperature range (series connection) (TUS) -40 °C ... +60 °C
Operating state / fault indication green / red
Number of ports 1
Cross-sectional area (N, PE, 9) (min.) 10 sq-mm.
solid / flexible
Cross-sectional area (N, PE) (max.) 50 sq-mm.
stranded / 35 sq-mm. flexible
Cross-sectional area (9) (max.) 35 sq-mm. stranded / 25 sq-mm 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 VDE, KEMA, UL
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 sq-mm.
solid / flexible
Weight 320 g