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  4. TEMPORARY GROUND CLAMPS FOR LOW AND MEDIUM VOLTAGE NETWORKS

TEMPORARY GROUND CLAMPS FOR LOW AND MEDIUM VOLTAGE NETWORKS

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Electrical and Mechanical Characteristics

 

 RG3403 - Grampos de Aterramento Temporário para uso em Redes de Baixa e Média Tensão - Ritz Ferramentas RG3403T Grampos de Aterramento Temporário para uso em Redes de Baixa e Média Tensão - Ritz Ferramentas ATR11627-1 Grampos de Aterramento Temporário para uso em Redes de Baixa e Média Tensão - Ritz Ferramentas ATR17459-1 Grampos de Aterramento Temporário para uso em Redes de Baixa e Média Tensão - Ritz Ferramentas
Catalog Reference
RG3403 RG3403T ATR11627-1 ATR17459-1
Description Aluminum body;
Smooth jaw;
Eyescrew;
Cable connection through plain ferrule 		 Aluminium body; 
Smooth jaw; 
T-handle;
Cable connection through plain ferrule		 Aluminium body; 
Smooth jaw; 
Eyescrew;
Cable connection through plain ferrule		 Aluminium body; 
Smooth jaw; 
Mounted to insulating tube 
Ø 25 mm x 1,25 m; 
Cable connection through plain ferrule
Rated Current (A) 300 300 - 300
Short- Circuit Current
(lcc)		 30 cycles (kA) 20 20 30 20
60 cycles (kA) 15 15 23 15
Connection Maximum 477 MCM CAA 
Ø 22,5 mm		 477 MCM CAA 
Ø 22,5 mm		 Buses
vertical 40 mm
horizontal 44 mm
circular 35 mm		 477 MCM CAA 
Ø 22,5 mm
Minimum 6 AWG Cu
4 AWG CA
Ø 4 mm		 6 AWG Cu
4 AWG CA
Ø 4 mm		 Buses
vertical 6 mm
circular 6 mm		 6 AWG Cu
4 AWG CA
Ø 4 mm
Cable Ferrule (mm²) Maximum 70 70 95 70
Minimum 16 16 16 16
Installation Torque (daN.m) 3,0 3,0 3,0 3,0
ASTM Designation Type I
Class A
Grade 3		 Type III
Class A
Grade 3		 Tipo I
Classe A
Grau 5		 Type II
Class A
Grade 3
Approx. Weight
(kg / lb)		 0,48 / 1,06 0,51 / 1,12 0,65 / 1,43 1,10 / 2,43

 

 

Electrical and Mechanical Characteristics

 

 ATR19433-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR17461-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR17460-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR19357-1TEMPORARY GROUND CLAMPS
Catalog Reference
ATR19433-1 ATR17461-1 ATR17460-1 ATR17462-1 ATR19357-1
Description Clamp mainly designed for switchgear grounding with vertical rectangular buses.
Aluminum body;
Smooth jaw;
Mounted to insulated pipe
Ø 25 mm x 600 mm, with rubber handle;
Cable connection through plain ferrule		 Aluminum body;
Smooth jaw;
Mounted to hot stick tip section Ø 25 mm x 1.25 m, with coupling system;
Cable connection through plain ferrule		 Aluminum body;
Smooth jaw;
Mounted to telescopic hot stick, Ø 33 mm base, retracted length 1 m and extended length 1.80 m;
Cable connection through plain ferrule		 Aluminium body; 
Smooth jaw; 
Fixed to telescopic hot stick - Ø 33 mm base, retracted length 1.43 m and extended length 2.58 m;
Cable connection through plain ferrule. 		 Clamp mainly designed for switchgear grounding with vertical rectangular buses.
Aluminum body;
Serrated jaw;
Mounted to
insulated pipe
Ø 25 mm x 600 mm, with rubber handle;
Cable connection through plain ferrule
Rated Current (A) 400 300 300 300 400
Short- Circuit Current
(lcc)		 30 cycles (kA) 30 20 20 20 30
60 cycles (kA) 23 15 15 15

23
Connection Maximum 20 mm
 (rectangular buses)		 477 MCM CAA 
Ø 22.5 mm		 477 MCM CAA 
Ø 22.5 mm		 477 MCM CAA
Ø 22,5 mm		 38 mm
(rectangular buses)
Minimum 3 mm 
(rectangular buses)		 6 AWG Cu
4 AWG CA
Ø 4 mm		 6 AWG Cu
4 AWG CA
Ø 4 mm		 6 AWG Cu
4 AWG CA
Ø 4 mm		 38 mm
(rectangular buses)
Cable Ferrule (mm²) Maximum 95 70 70 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 II
Class A
Grade 5		 Type II
Class A
Grade 3		 Type II
Class A
Grade 3		 Type II
Class A
Grade 3		 Type II
Class B
Grade 5
Approx. Weight
(kg / lb)		 0,72 / 1,59 1,10 / 2,43 1,40 / 3,09 1,40 / 3,09 0.85 / 1.87

 

 

Electrical and Mechanical Characteristics

 

 ATR08947-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR09033-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR17348-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas
Catalog Reference
ATR08947-1 ATR09033-1 ATR17348-1
Description Bronze body;
Mounted to insulated pole
Ø 1/2” x 640 mm, with rubber handle;
Cable connection through tin-plated copper ferrule (not included in clamp)		 Bronze body;
Mounted to insulated pole
Ø 1/2” x 640 mm, with rubber handle;
Cable connection through
plain ferrule		 Aluminum body; Smooth jaw;
Mounted to Ø 25 mm x 300 mm insulating tube, with rubber handle; spring-loaded mounting to conductor;
Cable connection through tin-plated copper ferrule (not included in clamp)
Rated Current (A) 200 200 -
Short- Circuit Current
(lcc)		 30 cycles (kA) 8 8 10
60 cycles (kA) 5 5 7
Connection Maximum  Ø 30 mm Ø 19 mm 336,4 MCM CAA
Ø 19 mm
Minimum Ø 4 mm Ø 4 mm 6 AWG Cu
4 AWG CA
Ø 4 mm
Cable Ferrule (mm²) Maximum 25 25 35
Minimum 16 16 16
Installation Torque (daN.m) 20 20 -
ASTM Designation - - -
Approx. Weight
(kg / lb)		 0,75 / 1,65 0,65 / 1,43 0,36 / 0,79

 

Electrical and Mechanical Characteristics

 

 ATR03653-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR13628-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR13047-1 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas ATR13047-2 Grampos de aterramento temporário para uso em redes de baixa e média tensão - Ritz Ferramentas
Catalog Reference
ATR03653-1 ATR13628-1 ATR13047-1 ATR13047-2
Description Aluminium body; 
Smooth jaw; 
Conductor-mounted to conductor; connection to cluster bar (ATR04694-1) galvanized steel. 
Cable connection through copper ferrule (not included in clamp)		 Aluminium body; 
Smooth jaw; 
Spring-loaded mounting connection blade spring-loaded; cluster bar (ATR14442-1) self-locking system;
Cable connection through tin-plated copper ferrule (not included in clamp)		 Aluminium body;
Spring-loaded tap cable installation;
Red plastic handle		 Aluminium body;
Spring-loaded tap cable installation;
Black plastic handle
Rated Current (A) - - - -
Short- Circuit Current
(lcc)		 30 cycles (kA) 10 15 10 10
60 cycles (kA) 7 8 7 7
Connection Maximum 336,4 MCM CAA
Ø 19 mm		 Ø 30 mm  Ø 12,5 mm Ø 12,5 mm
Minimum 6 AWG Cu
4 AWG CA
Ø 4 mm		 Ø 5 mm  Ø 6,5 mm  Ø 6,5 mm
Cable Ferrule (mm²) Maximum 35 50 35 35
Minimum 16 16 16 16
Installation Torque (daN.m) - - - -
ASTM Designation - - Type III
Class B
Grade 5		 Type III
Class B
Grade 5
Approx. Weight
(kg / lb)		 0,35 / 0,77 0,45 / 0,99 0,35 / 0,77 0,35 / 0,77