New Products

DEHNgap
DEHNgap M 255 (FM)
N-PE Lightning Current Arresters
PE
30
PE
90
45
12
11
14
NPE
36 7
(2 mods.)
N
43.5
66
N
9
11
15.3
N-PE Arresters Type 1
• 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
Basic circuit diagram DGP M 255 FM
Dimension drawing DGP M 255 FM
Coordinated modular single-pole N-PE lightning current arrester for U C = 255 V; optionally available
with remote signalling contact for monitoring system (floating changeover contact)
Type DGP M 255 DGP M 255 FM
Part No. 961 101 961 105
SPD according to EN 61643-11 Type 1 Type 1
SPD according to IEC 61643-1/-11 Class I Class I
Max. continuous operating a.c. voltage (U C ) 255 V 255 V
Lightning impulse current (10/350 μs) (I imp ) 100 kA 100 kA
Specific energy (W/R) 2.50 MJ/ohms 2.50 MJ/ohms
Nominal discharge current (8/20 μs) (I n ) 100 kA 100 kA
Voltage protection level (U P ) ≤ 1.5 kV ≤ 1.5 kV
Follow current extinguishing capability a.c. (I fi ) 100 A rms 100 A rms
Response time (t A ) ≤ 100 ns ≤ 100 ns
Temporary overvoltage (TOV) 1200 V / 200 ms 1200 V / 200 ms
TOV characteristics withstand withstand
Operating temperature range (parallel connection) (T UP ) -40°C...+80°C -40°C...+80°C
Operating temperature range (series connection) (T US ) -40°C...+60°C -40°C...+60°C
Operating state/fault indication green / red green / red
Number of ports 1 1
Cross-sectional area (N, PE, 9) (min.) 10 mm 2 solid/flexible 10 mm 2 solid/flexible
Cross-sectional area (N, PE) (max.) 50 mm 2 stranded/35 mm 2 flexible 50 mm 2 stranded/35 mm 2 flexible
Cross-sectional area (9) (max.) 35 mm 2 stranded/25 mm 2 flexible 35 mm 2 stranded/25 mm 2 flexible
For mounting on 35 mm DIN rail acc. to EN 60715 35 mm DIN rail acc. to EN 60715
Enclosure material thermoplastic, red, UL 94 V-0 thermoplastic, red, UL 94 V-0
Place of installation indoor installation indoor installation
Degree of protection IP 20 IP 20
Capacity 2 modules, DIN 43880 2 modules, DIN 43880
Approvals VDE, KEMA, UL VDE, KEMA, UL
Type of remote signalling contact –– changeover contact
a.c. switching capacity –– 250 V/0.5 A
d.c. switching capacity –– 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 mm 2 solid/flexible
961 101
DGP M 255
961 105
DGP M 255 FM
DGP M 255
961 101
N-PE-Blitzstromableiter DEHNgap Mzum Einsatz in TT-Systemen
DGP M 255 FM
961 105
N-PE-Blitzstromableiter DEHNgap Mzum Einsatz in TT-Systemen
Accessory for DEHNgap
DGP M – 100 kA N-PE Spark-Gap-Based
Protection Module
100 kA N-PE spark-gap-based protection module for use
with all modular DEHNgap M arresters
Type DGP M MOD 255
Part No. 961 010
Max. continuous operating a.c. voltage (U C ) 255 V
961 010
DGP M MOD 255
DGP M MOD 255
961 010
N-PE-Blitzstromableiter Funkenstrecken-Schutzmodul für DEHNgap M
72 www.dehn.de