3-Phase Earthing Device
Ref. SS 428 91 01, EN 61230
Line clamp JK 27 and earth clamp JK 27 V are for connection to ball-bolts Ø 20, Ø 25, Ø 30, T-bolt, bars 1-25 mm, line/tube Ø 6-25 mm. Insulating poles MGV, MDV/MSV and operating socket JGS are used to operate the line clamps.
The clamps conducting parts are made of aluminium bronze. Steel components are made of stainless steel. The earthing cable is connected to the clamp with a cable lug, M8 (25-50 mm2/ M12 (70 mm2). The earthing cable, made of highly flexible ESTPR-insulated copper strands, has sealed cable connections, which prevent humidity from penetrating the cable. The cover of the connecting cluster JFG 4L is made of insulating plastic.
E-nr:
|
E-No.
|
Type
|
Line Clamp
|
Cable shoe/
Earth Clamp
|
Earthing cable area
mm2
|
Rated Current
max. kA/1s
|
Weight kg/unit
|
| JK27-X1-JK27V | JK 27 |
JK 27 V
|
25 – 70 |
16,0
|
4,8* |
*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 |
