1-Phase Earthing Device
Earthing Device type JK22-8WL (previous JSTW) consist of Line clamp JK 22, 7 m, Cu-line ESTPR, Magnetic earth clamp 8WL. The highly flexible earthing cable is made of ESTPR insulated copper, with copper strands of 0,2 mm diameter.
The line clamp JK 22 is for railroad contact lines (according to SS 240121 and DIN 43141) and circular conductors with diameter 14- 19 mm. The line clamp conducting parts are made of nickel plated bronze and the other parts of stainless steel.
Insulating pole type MTV and operating socket JGS are used to operate the line clamp.
The magnetic earth clamp type 8WL7162-6 is for rail.The cover is made of GRP and polyamide.
Note: earthing magnet can not be used again in case of short-circuit.
Max short-circuit current Ik=25 kA/0,06 s.
E-nr:
|
E-No.
|
Type
|
Line Clamp
|
Cable shoe/
Earth Clamp
|
Earthing cable
area
mm2
|
Rated Current
max. kA/1s
|
Weight kg/unit
|
| JK22-8WL | JK22 | 8WL |
25-70
|
25,0 kA/0,06s
|
7,9* |
*Incl. cable connection for max earthing cable area.
Earthing Cables for Earthing- and Short-circuiting devices
|
Type
|
Earthing Cable area
mm2
|
Rated
current
kA/1s
|
Weight
kg/m
|
| ESTPR25 |
25 |
5,7 |
0,3 |
| ESTPR35 | 35 |
8,0 |
0,4 |
| ESTPR50 |
50
|
11,5 |
0,5 |
| ESTPR70 | 70 |
16,0 |
0,7 |
| ESTPR95 | 95 |
21,0 |
1,0 |
| ESTPR120 | 120 |
27,0 |
1,2 |
| ESTPR150 | 150 |
34,0 |
1,5 |
| ESTPR185 | 185 |
42,5 |
1,9 |
