Lightning Protection Products

DEHNguard T 75/275 VA(FM)


Product No:Pro2009649559
Product Model:DEHNguard T 75/275 VA(FM)
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DEHNguard T 75/275 VA(FM) 

                                                                     
DEHNguard T 75/275 VA(FM) Dimension drawing DEHNguard T 75/275 VA(FM) Basic circuit diagram DEHNguard T 75/275 VA(FM)

DEHNguard T 75/275 VA(FM): Single-pole surge arrester with varistor- and spark-gap-based series connection

  DEHNguard T 75 VA DEHNguard T 75 VA(FM) DEHNguard T 275 VA DEHNguard T 275 VA(FM) 
SPD according to EN 61643-11 Type 2   Type 2   Type 2   Type 2  
SPD according to IEC 61643-1 Class II   Class II   Class II   Class II  
Max. continuous operating a.c. voltage     [UC] 75 V  75 V  275 V  275 V 
Max. continuous operating d.c. voltage     [UC] 100 V  100 V  350 V  350 V 
Nominal discharge current (8/20 µs)     [In] 10 kA  10 kA  10 kA  10 kA 
Max. discharge current (8/20 µs)     [Imax] 20 kA  20 kA  20 kA  20 kA 
Voltage protection level     [UP] ≤ 1.5 kV  ≤ 1.5 kV  ≤ 1.5 kV  ≤ 1.5 kV 
Response time     [tA] ≤ 100 ns  ≤ 100 ns  ≤ 100 ns  ≤ 100 ns 
Max. mains-side overcurrent protection 100 A gL/gG  100 A gL/gG  100 A gL/gG  100 A gL/gG 
Short circuit withstand capability for
max. mains-side overcurrent protection
25 kArms  25 kArms  25 kArms  25 kArms 
Temporary overvoltage (TOV)     [UT] --   --   335 V / 5 sec.  335 V / 5 sec. 
Operating temperature range     [TU] -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  
Cross-sectional area (min.) 1.5 mm2 solid/flexible   1.5 mm2 solid/flexible   1.5 mm2 solid/flexible   1.5 mm2 solid/flexible  
Cross-sectional area (max.) 35 mm2 stranded/25 mm2 flexible   35 mm2 stranded/25 mm2 flexible   35 mm2 stranded/25 mm2 flexible   35 mm2 stranded/25 mm2 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   35 mm DIN rail acc. to EN 60715  
Enclosure material red thermoplastic, UL 94 V-0   red thermoplastic, UL 94 V-0   red thermoplastic, UL 94 V-0   red thermoplastic, UL 94 V-0  
Degree of protection IP 20   IP 20   IP 20   IP 20  
Dimension 1 mod., DIN 43  1 mod., DIN 43  1 mod., DIN 43  1 mod., DIN 43 
Type of remote signalling contact --   changeover contact   --   changeover contact  
Switching capacity a.c. --   250 V/0.5 A   --   250 V/0.5 A  
Switching capacity d.c. --   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 mm2 solid/flexible   --   max. 1.5 mm2 solid/flexible  
PU 1 pcs.  1 pcs.  1 pcs.  1 pcs. 
ordering information
Type DG T 75 VA  DG T 75 VA FM  DG T 275 VA  DG T 275 VA FM 
Part No. 900 667 900 692 900 659 900 689
Packing unit 1 pc(s)