New Products

DEHNguard ® S / DEHNguard ® S FM
DEHNguard S ... FM
Type 2 Surge Arresters
30
12
11
14
90
45
18 7
(1 mod.)
43.5
66
15.3
9
11
• Multi-purpose surge arrester consisting
of a base element and plug-in protection
module
• High discharge capacity due to heavyduty
zinc oxide varistor
• High reliability due to "Thermo Dynamic
Control" SPD monitoring device
Basic circuit diagram DG S ... FM
Dimension drawing DG S ... FM
Pluggable single-pole surge arrester consisting of a base part and plug-in protection module; with
floating remote signalling contact
Surge Arresters Type 2
Type
DG S 48 FM DG S 75 FM DG S 150 FM DG S 275 FM DG S 320 FM DG S 385 FM DG S 440 FM DG S 600 FM
Part No. 952 098 952 091 952 092 952 090 952 093 952 094 952 095 952 096
SPD according to EN 61643-11 Type 2 Type 2 Type 2 Type 2 Type 2 Type 2 Type 2 Type 2
SPD according to IEC 61643-1/-11 Class II Class II Class II Class II Class II Class II Class II Class II
Max. continuous operating a.c. voltage (U C ) 48 V 75 V 150 V 275 V 320 V 385 V 440 V 600 V
Max. continuous operating d.c. voltage (U C ) 60 V 100 V 200 V 350 V 420 V 500 V 585 V 600 V
Nominal discharge current (8/20 μs) (I n ) 10 kA 10 kA 15 kA 20 kA 20 kA 20 kA 20 kA 15 kA
Max. discharge current (8/20 μs) (I max ) 25 kA 40 kA 40 kA 40 kA 40 kA 40 kA 40 kA 30 kA
Voltage protection level (U P ) ≤ 0.3 kV ≤ 0.4 kV ≤ 0.7 kV ≤ 1.25 kV ≤ 1.5 kV ≤ 1.75 kV ≤ 2 kV ≤ 2.5 kV
Voltage protection level at 5 kA (U P ) ≤ 0.25 kV ≤ 0.35 kV ≤ 0.55 kV ≤ 1 kV ≤ 1.2 kV ≤ 1.35 kV ≤ 1.7 kV ≤ 2 kV
Response time (t A ) ≤ 25 ns ≤ 25 ns ≤ 25 ns ≤ 25 ns ≤ 25 ns ≤ 25 ns ≤ 25 ns ≤ 25 ns
Max. mains-side overcurrent protection 125 A gL/gG 125 A gL/gG 125 A gL/gG 125 A gL/gG 125 A gL/gG 125 A gL/gG 125 A gL/gG 100 A gL/gG
Short-circuit withstand capability for max.
mains-side overcurrent protection 50 kA rms 50 kA rms 50 kA rms 50 kA rms 25 kA rms 25 kA rms 25 kA rms 25 kA rms
Temporary overvoltage (TOV) (U T ) 70 V / 5 sec. 90 V / 5 sec. 175 V / 5 sec. 335 V / 5 sec. 335 V / 5 sec. 385 V / 5 sec. 580 V / 5 sec. 600 V / 5 sec.
TOV characteristics withstand withstand withstand withstand withstand withstand withstand withstand
Operating temperature range (T U )
-40°C...+80°C -40°C...+80°C -40°C...+80°C -40°C...+80°C -40°C...+80°C -40°C...+80°C -40°C...+80°C -40°C...+80°C
Operating state/fault indication green / red green / red green / red green / red green / red green / red green / red green / red
Number of ports 1 1 1 1 1 1 1 1
Cross-sectional area (min.)
1.5 mm 2 solid/flexible
Cross-sectional area (max.)
35 mm 2 stranded/25 mm 2 flexible
For mounting on 35 mm DIN rail acc. to EN 60715
Enclosure material thermoplastic, red, UL 94 V-0
Place of installation
indoor installation
Degree of protection IP 20 IP 20 IP 20 IP 20 IP 20 IP 20 IP 20 IP 20
Capacity 1 modules, 1 modules, 1 modules, 1 modules, 1 modules, 1 modules, 1 modules, 1 modules,
DIN 43880 DIN 43880 DIN 43880 DIN 43880 DIN 43880 DIN 43880 DIN 43880 DIN 43880
Approvals –– KEMA, VDE, KEMA, VDE, KEMA, VDE, KEMA, VDE, KEMA, VDE, KEMA, VDE, KEMA, VDE,
UL, CSA UL, VdS, CSA UL, VdS, CSA UL, VdS, CSA UL, VdS, CSA UL, VdS, CSA UL, VdS, CSA
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
952 098
DG S 48 FM
952 091
DG S 75 FM
952 092
DG S 150 FM
DG 952 S 090 48 FM
952 DG S 098 275 FM
Überspannungsableiter 952 093
Typ 2 DEHNguard S1-polig Uc 48V AC mit
Fernmeldekontakt
DG S 320 FM
DG 952 S 094 75 FM
952 DG S 091 385 FM
Überspannungsableiter 952 095
Typ 2 DEHNguard S1-polig Uc 75V AC mit
Fernmeldekontakt
DG S 440 FM
DG 952 S 096 150 FM
952 DG S 092 600 FM
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 150V AC mit
Fernmeldekontakt
DG S 275 FM
952 090
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 275V AC mit
Fernmeldekontakt
DG S 320 FM
952 093
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 320V AC mit
Fernmeldekontakt
DG S 385 FM
952 094
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 385V AC mit
Fernmeldekontakt
DG S 440 FM
952 095
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 440V AC mit
Fernmeldekontakt
DG S 600 FM
952 096
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 600V AC mit
Fernmeldekontakt
Accessory for DEHNguard ® S / DEHNguard ® S FM
Varistor-Based Protection Module
Varistor-based protection module for DEHNguard M ... and DEHNguard S ... surge arresters
Type DG MOD ... 48 75 150 275 320 385 440 600
Part No. 952 018 952 011 952 012 952 010 952 013 952 014 952 015 952 016
Max. continuous operating a.c. voltage (U C ) 48 V 75 V 150 V 275 V 320 V 385 V 440 V 600 V
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