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  4. Grounding Clamps to be used on Low and Medium Voltage Systems

Grounding Clamps to be used on Low and Medium Voltage Systems

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RG3403  

-    RG3403
Aluminum body; Plain jaw; Tightening eye-screw in bronze; Bronze cable connectors for plain ferrules.
RG3403T  

-    RG3403T
Aluminum body; Plain jaw; Tightening T-screw in bronze; Bronze cable connectors for plain ferrules.
ATR11627-1  

-    ATR11627-1
Aluminum body; Plain jaw; Tightening eye-screw in bronze; Bronze cable connectors for plain ferrules.
ATR17459-1  

-    ATR17459-1
Aluminum body; Plain jaw; Tightening screw in bronze, fixed to a Ø 25 mm x 1.25 m (1" x 4.1 ft) insulating pole; Bronze cable connectors for plain ferrules.
ATR19433-1  

-    ATR19433-1
Designed mainly for cubicles with vertical rectangular profile busbars.
Aluminum body, serrated jaw, bronze eye screw fixed in a Ø 25 x 600 mm (1" x 2 ft) insulating stick with rubber handle, bronze cable conexion for plain ferrule.
ATR17461-1  

-    ATR17461-1
Aluminum body; Plain jaw; Tightening screw in bronze, fixed to the top section of the sectional hot stick Ø 25 x 1.25 m (1" x 4.1 ft), with coupling system; Bronze cable connectors for plain ferrules.
ATR17460-1  

-    ATR17460-1
Aluminum body; Plain jaw; Tightening screw in bronze, fixed to a triangularshape top hot stick (Ø 24 mm - 1" top section and Ø 33 mm - 1.3" base section). Retracted length: 1.00 m (3.3 ft); Extended length: 1.80 m (5.9 ft); Bronze cable connectors for plain ferrules.
ATR08947-1  

-    ATR08947-1
Twisting-type bronze alloy grounding clamp, attached to a Ø 1/2” x 640 mm (2.1 ft) insulating rod, with rubber handle.
ATR09033-1  

-    ATR09033-1
Twisting-type bronze alloy grounding clamp, attached to a Ø 1/2” x 640 mm (2.1 ft) insulating rod, bronze cable connectors for plain ferrules.
ATR17462-1  

-    ATR17462-1
Aluminum body; Plain jaw; Tightening screw in bronze, fixed to a telescopic hot stick VTT-1/2, Ø 33 mm (1.3") base section, extended length: 2.59 m (8.5 ft) and retracted length: 1.44 m (4.7 ft); Bronze cable connectors for plain ferrules.
ATR03653-1  

-    ATR03653-1
Aluminum body; Plain jaw; Spring-action installation to the conductor; Blade for connection to the Cluster (ATR04694-1), in galvanized steel; Type of connections to the cables: tin-plated copper ferrule (not included
with the clamp).
ATR17348-1  

-    ATR17348-1
Aluminum body; Plain jaw; Fixed to a insulated pole Ø 25 x 300 mm (1" x 1 ft) with rubber handle; spring-action installation to the conductor type of connections to the cables: tinplated copper ferrule (not included
with the clamp).
ATR13047-1  

-    ATR13047-1                -    ATR13047-2
Aluminum body; Spring-action installation to the cord; Plastic handle, red to ATR13047-1 and black to ATR13047-2.

 

GROUNDING CLAMPS TO BE USED ON LOW AND MEDIUM VOLTAGE SYSTEMS

Electrical and
Mechanical
Characteristics

 Cat. No.
RG3403 RG3403T ATR11627-1 ATR17459-1 ATR19433-1
 Nominal Current (A) 300 300 - 300 400
Short- Circuit
Current (Isc)		 30 Cycles (kA) 20 20 30 20 30
60 Cycles
(kA)		 15 15 23 15 23
Range Maximum 477 MCM ACSR Ø 22.5 mm 0.9" 477 MCM ACSR
Ø 22.5 mm
0.9"		 busbar
vertical 40 mm / 1.5" horizontal 44 mm/1.7" and
round 35 mm / 1.4"		 477 MCM ACSR
Ø 22.5 mm
0.9"		 20 mm / 0.8"
(rectangular
busbar)
Minimum 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"		 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"		 busbar
vertical 6 mm / 0.25" and
round 6 mm / 0.25"		 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"		 3 mm / 0.12"
(rectangular
busbar)
Cable
Ferrule
(mm²)		 Maximum 70 70 95 70 95
Minimum 16 16 16 16 16
Installation Torque (daN.m) 3,0 3,0 3,0 3,0 3,0
ASTM Designation Type I
Class A
Degree 3		 Type III
Class A
Degree 3		 Type I
Class A
Degree 5		 Type II
Class A
Degree 3		 Type II
Class A
Degree 5
Approx. Weight (lb)  1.06 1.12 1.43 2.43 1.59

 

GROUNDING CLAMPS TO BE USED ON LOW AND MEDIUM VOLTAGE SYSTEMS

Electrical and
Mechanical
Characteristics

 Cat. No.
ATR17461-1 ATR17460-1 ATR08947-1 ATR09033-1 ATR17462-1
 Nominal Current (A) 300 300 200 200 300
Short- Circuit Current (Isc)

30 Cycles
(kA)

 20 20 8 8 20
60 Cycles
(kA)		 15 15 5 5 15
Range Maximum 477 MCM ACSR
Ø 22.5 mm
0.9"		 477 MCM ACSR
Ø 22.5 mm
0.9"		 Ø 30 mm 1.2" Ø 19 mm 0.75" 477 MCM ACSR
Ø 22.5 mm
0.9"
Minimum 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"		 6 AWG Cu
4 AWG CA
Ø 4 mm		 Ø 4 mm
0.15"		 Ø 4 mm
0.15"		 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"
Cable Ferrule (mm²)
 		 Maximum 70 70 25 25 70
Minimum 16 16 16 16 16
Installation Torque
(daN.m)		 3,0 3,0 2,0 2,0 3,0
ASTM Designation Type II
Class A
Degree 3		 Type II
Class A
Degree 3		 - - Type II
Class A
Degree 3
Approx. Weight (lb) 2.43 3.09 1.65 1.43 3.09

 

GROUNDING CLAMPS TO BE USED ON LOW AND MEDIUM VOLTAGE SYSTEMS

Electrical and
Mechanical
Characteristics

 Cat. No.
ATR03653-1 ATR17348-1 ATR13047-1 ATR13047-2
 Nominal Current (A) - - - -
Short- Circuit
Current (lsc)		 30 Cycles
(kA)		 10 10 10 10
60 Cycles
(kA)		 7 7 7 7
Range Maximum 336.4 MCM ACSR
Ø 19 mm 0.75"		 336.4 MCM ACSR
Ø 19 mm 0.75"		 Ø 12.5 mm 0.5" Ø 12.5 mm 0.5"
Minimum 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"		 6 AWG Cu
4 AWG CA
Ø 4 mm / 0.15"		 Ø 6.5 mm 0.25" Ø 6.5 mm 0.25"
Cable Ferrule
(mm²)		 Maximum 35 35 35 35
Minimum 16 16 16 16
Installation Torque
(daN.m)		 - - - -
ASTM Designation - - TypeIII
Class B
Degree 5		 TypeIII
Class B
Degree 5
Approx. Weight (lb) 0.77 0.79 0.77 0.77