ABB
56
ABB/ BU Machines / HV Induction motors IEC catalogue / Engineered motors EN 12-2007
2
The picture shows the high voltage terminal box with its
main technical data below.
Technical data:
Voltage (max.)
6.6 kV
Current (max.)
400 A
Dynamic short circuit current
75 kA (0.25 s)
No of cables (max.)
1 per phase
Cross section of cables (max.)
300 mm
2
/cable
Cable gland
blind gland (1 pce)
Clearance (min.)
60 mm
Creepage (min.)
119 mm
Gross volume
47.3 dm
3
Usable volume
42.1 dm
3
Connection screws
M16 (3 pcs)
Connection nuts
tightening torque 40 Nm
Ground connections
M12 (both in- and out
side)
Weight
33 kg
Protection
IP66
Standard
DIN 42962 TEIL 1, A2
Materials:
Box
welded sheet steel (thickness
min. 3 mm)
Cable gland plate
steel
Connection screws
Bronze Bz
Isolators
epoxy casting resin or
polyurethane resin
Grounding pad
stainless steel
Other features:
-
rigid welded construction
-
ample size for making connections of supply cables
-
box turnable to allow cable entry from left or right side
-
box turnable in steps of 90°
-
either 3-phase or 1-phase cables can be connected
-
pressure relief plate in the bottom of the box in case
of an arching short circuit
-
different cable glands available
-
terminal box tested acc. to IEC 298 concerning
internal arc strength
High voltage terminal box for IEC motors
Figure above: High voltage terminal box. Dimensions in mm.