EARTHING AND SHORT CIRCUIT EQUIPMENT FOR OVERHEAD

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MV
EARTHING AND SHORT CIRCUIT EQUIPMENT
FOR OVERHEAD LINES ON BARE CONDUCTORS
WITH SPRING PRE-LOADED CLAMP AND SCREW
TIGHTENING Ø 3÷42 mm
1
1
1
2
2
2
1
1
1
Composition:
n° 3 automatic light alloy clamps with spring and screw
tightening and tail with universal joint on conductors ø
3÷42 mm
n° 1 light alloy clamp holder head, complete of recover hook
n° 2 copper cables sec. 25 mm2 L=2,5 m covered with
silicone sheath
n° 1 earthing copper cable sec. 16 mm2 L=14 m covered
with silicone sheath
n° 1 reel for ground cable
n° 1 earthing rod L=1,1 m
n°1 insulating stick L=3 m on jointable elements, with
nylon bag
n° 1 metal box
Placing and
recovery of the
clamp
Clamp
tightening
Cable sec.
mm2
25
35
50
In accordance STD IEC 61230
Our Mod. MT42/V
*Note: Available on request different lengths of cables and insulating sticks.
3÷42
Icc
0,25s
0,5s
1s
13,7 kA 8 kA
5,6 kA
15,7 kA 11,1 kA 8 kA
22,5 kA 15,9 kA 12,7 kA
MV
EARTHING AND SHORT CIRCUIT EQUIPMENT FOR
OVERHEAD LINES H=10,5 m FROM THE GROUND
KEYLESS CLAMPS Ø 3÷25
Composition:
n° 3 light alloy key less clamps on conductors ø 3÷25 mm
joined to aluminium telescopic stick L=6 m
n° 1 or 3 insulating sticks L=3 m on 2 elements with
aluminium joint and with locking sleeve
n° 3 copper cables sec. 35 mm2 L=10 m covered with
silicone sheath
n° 1 earthing rod L=1,5 m
n° 1 reel with handle for ground cable
n° 2 nylon bags
1
1
1
Our Mod. AS25
*Optional: n° 1 voltage detector 4÷30 kV.
12 - Medium Voltage
3÷25
Icc
1s
8 kA
OTTOTECNICA is available to evaluate specific configurations requested by the customer, provided in compliance with the
regulations and the necessary parameters required to successfully overcome the short-circuit currents
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