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Grounding Equipment – 3000
Phone: 573-682-5521 Email: hpsliterature@hubbell.com Web: hubbellpowersystems.com
Page 3009
July 2012
Cluster Grounding Clamps
G3803
3-Cluster Set
with Snap-On (Duckbill-type) Aluminum-body clamps,
Smooth jaws, Bronze eyescrews with fine threads,
and 3-phase Aluminum cluster bar
with Bronze Pressure-type terminals
G3405
3-Cluster Set
with C-Type Aluminum-body clamps,
Smooth jaws, Bronze eyescrews with Acme threads,
and 3-phase Aluminum cluster bar
with Bronze Pressure-type terminals
Important Note:
Cluster Sets are furnished as shown above. The center clamp is bolted to the cluster bar.
Typical fourth ground clamp
(not included in 3-Cluster Set,
must be ordered as separate item)
These drawings illustrate how Cluster Sets are to be con-
nected, with
grounding cable and a fourth clamp which
must be ordered separately.
For cable and ferrules, see page 3018-3019.
Catalog Number
G3405
G3803
ELECTRICAL RATINGS
Continuous Current (AMPS)
350
400
Fault Current - 15 Cycles (AMPS)
27,000
34,000
Fault Current - 30 Cycles (AMPS)
20,000
25,000
MECHANICAL RATINGS
Recommended Torque (in.-lb.)
250
250
Main Line Range - Max.
400 kcmil Str. Cu.
636 kcmil ACSR
(.998”)
566 kcmil Cu.
900 kcmil AC
Main Line Range - Min.
#8 Sol. Cu.
(0.12”)
#6 Sol. Cu.
(0.162”)
Jumper Range - Max.
2/0 Grd. Cable
w/Plain Plug
4/0 Grd. Cable
w/Plain Plug
Jumper Range - Min.
#2 Grd. Cable
w/Plain Plug
#2 Grd. Cable
w/Plain Plug
Weight Each
4
1
2
lb./2 kg.
6
5
8
lb./3 kg.
ASTM Designation
Type I
Class A
Grade 3
Type I
Class A
Grade 4