New Products

DEHNguard ® S ... VA (FM)
DEHNguard S VA 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 part and plug-in protection
module
• Leakage-current-free series connection
of a varistor and a spark gap in the
pluggable protection module
• High reliability due to "Thermo Dynamic
Control" SPD monitoring device
Basic circuit diagram DG S ... VA FM
Dimension drawing DG S ... VA FM
Modular single-pole surge arrester with a varistor and a spark gap connected in series in the pluggable
protection module; with floating remote signalling contact
Surge Arresters Type 2
Type DG S 75 VA FM DG S 275 VA FM DG S 385 VA FM
Part No. 952 085 952 087 952 089
SPD according to EN 61643-11 Type 2 Type 2 Type 2
SPD according to IEC 61643-1/-11 Class II Class II Class II
Max. continuous operating a.c. voltage (U C ) 75 V 275 V 385 V
Max. continuous operating d.c. voltage (U C ) 100 V 350 V 500 V
Nominal discharge current (8/20 μs) (I n ) 10 kA 10 kA 10 kA
Maximum discharge current (8/20 μs) (I max ) 20 kA 20 kA 20 kA
Voltage protection level (U P ) ≤ 1.1 kV ≤ 1.5 kV ≤ 1.75 kV
Response time (t A ) ≤ 100 ns ≤ 100 ns ≤ 100 ns
Maximum mains-side overcurrent protection 100 A gL/gG 100 A gL/gG 100 A gL/gG
Short-circuit withstand capability for max.
mains-side overcurrent protection 25 kA rms 25 kA rms 25 kA rms
Temporary overvoltage (TOV) (U T ) 75 V / 5 sec. 335 V / 5 sec. 385 V / 5 sec.
TOV characteristics withstand withstand withstand
Operating temperature range (T U ) -40°C...+80°C -40°C...+80°C -40°C...+80°C
Operating state/fault indication green / red green / red green / red
Number of ports 1 1 1
Cross-sectional area (min.) 1.5 mm 2 solid/flexible 1.5 mm 2 solid/flexible 1.5 mm 2 solid/flexible
Cross-sectional area (max.) 35 mm 2 stranded/25 mm 2 flexible 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 35 mm DIN rail acc. to EN 60715
Enclosure material thermoplastic, red, UL 94 V-0 thermoplastic, red, UL 94 V-0 thermoplastic, red, UL 94 V-0
Place of installation indoor installation indoor installation indoor installation
Degree of protection IP 20 IP 20 IP 20
Capacity 1 modules, DIN 43880 1 modules, DIN 43880 1 modules, DIN 43880
Type of remote signalling contact changeover contact changeover contact changeover contact
a.c. switching capacity 250 V/0.5 A 250 V/0.5 A 250 V/0.5 A
d.c. switching capacity
250 V/0,1 A; 125 V/0.2 A; 75 V/0.5 A 250 V/0.1 A; 125 V/0.2 A; 75 V/0.5 A 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 max. 1.5 mm 2 solid/flexible max. 1.5 mm 2 solid/flexible
952 085
DG S 75 VA FM
952 087
DG S 275 VA FM
952 089
DG S 385 VA FM
DG S 75 VA FM
952 085
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 75V AC mit
Fernmeldekontakt
DG S 275 VA FM
952 087
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 275V AC mit
Fernmeldekontakt
DG S 385 VA FM
952 089
Überspannungsableiter Typ 2 DEHNguard S1-polig Uc 385V AC mit
Fernmeldekontakt
Accessory for DEHNguard ® S ... VA (FM)
Varistor-Based Protection Module for
DEHNguard S ... VA
Protection module for DEHNguard S ... VA arresters comprising
a varistor connected in series with a spark gap
Type DG MOD ... 75 VA 275 VA 385 VA
Part No. 952 025 952 027 952 029
Max. continuous
operating a.c. voltage (U C ) 75 V 275 V 385 V
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