1-Phase Earthing Device
Ref. SS 428 91 01, EN 61230
The device is equipped with line clamp JK 27 and is for connection to ball-bolts Ø 20, Ø 25, Ø 30, T-bolt, busbars 1-25 mm, line/tube Ø 6-25 mm and with a cable lug with hole Ø 12 mm, for stationary connection to earth.
The clamp conducting parts are made of aluminium bronze. steel components are made of stainless steel. The earthing cable is connected to the clamp using a cable lug and screw joint M8 (25-50 mm2) / M12 (70-95mm2).
The insulating pole is made of fiberglass reinforced vinyl ester and is sealed. The earthing cable, made of highly flexible ESTPR-insulated copper strands, has sealed cable connections, which prevent humidity from penetrating the cable.
As standard the earthing device is marked for 24 kV.
E-nr:
|
E-No.
|
Type
|
Line Clamp
|
Cable lug
|
Earthing cable area
mm2
|
Rated Current
max. kA/1s
|
Pole length mm
a. Hand grip section
b. Insulation Section
|
Weight kg/unit
|
| JK27M1-TPT12 | JK 27 |
TPT12
|
25-95 | 21,0 |
a. 500
b. 700
|
1,3* |
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 |
