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Class C (Class II) Surge Arresters

Class C (Class II) Surge Arresters-Class C (Class II) Surge Arresters

Sipariş No : Class C (Class II) Surge Arresters

The VP range of products protect electrical equipment and installations against transient overvoltage that may arise in the electrical supply. Besides, the VP range can be classified into 3 different types (C, B, B+C) which provide the highest protection level in order to prevent damages in the electrical equipment and financial losses

Class C (Class II) Surge Arresters


The VP range of products protect electrical equipment and installations against transient overvoltage that may arise in the electrical supply. Besides, the VP range can be classified into 3 different types (C, B, B+C) which provide the highest protection level in order to prevent damages in the electrical equipment and financial losses
 
  • Compact equipments for all distribution systems.
  • High discharge capacity via zinc oxide varistors and gas dischargers.
  • With thermal separation device.
  • Visual indication of a fault in the equipment.
  • Remote signalling of the protection status.
  • Plug-in protection modules which facilitate maintenance.
Using individual devices instead of compact ones, they can be installed in:
 
(1) TN-S System:
 
  • 2 units of VP C40 275/1 1F+N+PE
  • 3 units of VP C40 275/1 2F+N+PE o 3F+PE
  • 4 units of VP C40 275/1 3F+N+PE
(2) TN-C System:
 
  • 2 units of VP C40 275/1 2F+NPE
  • 3 units of VP C40 275/1 3F+NPE
(3) TT System:
 
  • 1 unit of VP C40 275/1 + 1 unit VP C40 250/NPE 1F+N
  • 2 units of VP C40 275/1 + 1 unit VP C40 250/NPE 2F+N
  • 3 units of VP C40 275/1 + 1 unit VP C40 250/NPE 3F+N o 3F
Technical Characteristics
 
MODELS
Code 41600 41602 41603 41604 41607 41606 41610 41609 41624 41625
Model VP C40 275/1 VP C40 250/NPE VP C40 275/2 VP C40 275/1
+NPE
VP C40 275/3 VP C40 275/2
+NPE
VP C40 275/4 VP C40 275/3
+NPE
VP C20 275/1
+NPE
VP C20 275/3
+NPE
According to IEC 61643-1   (Class) II
Type of network TT/TN TT TT/TN TT TT/TN TT TT/TN TT
Electrical line 1P+N+PE
2P+N+PE
3P+PE
3P+N+PE
1P+N
2P+N
3P+N
3P
1P +N+PE
2P +NPE
1P+N 2P+N+PE
3P+PE
3P+NPE
2P+N 3P+N+PE 3P+N
3P
1P+N 3P+N
3P
Nominal voltage Un(Vac) 230 Vac
Maximum continuous operating   voltage Uc(Vac) 275 Vac 250 Vac 275 Vac
Nominal discharge current   (8/20 ?s) In   (kA) 20 10
Maximum discharge current   (8/20 ?s) Imax   (kA) 40 20
Protection level Up (kV) < 1,2 < 1,5 < 1,2 < 1,0
Protection level at 5 kA   (kV) < 1,0 -- < 1,0 < 0,95
Response time ta (ns) < 25 <100 < 25
Maximum back-up fuse (A   gL/gG) 125 -- 125 100
Nº Modules 1 1 2 2 3 3 4 4 2 4
 Plug-in modules
Code
41611 41612 41611 41611
/41612
41611 41611
/41612
41611 41611
/41612
41626
/41627
41626
/41627

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