ABB
ABB/ BU Machines / HV Induction motors IEC catalogue / Engineered motors EN 12-2007
57
2
Figure below shows the high voltage terminal box with
its main technical data.
Technical data:
Voltage (max.)
6.6 kV
Current (max.)
800 A
No of cables (max.)
2 per phase
Cross section of cables (max.)
300 mm
2
/cable
Cable gland
blind gland (1 pce)
Clearance (min.)
70 mm
Creepage (min.)
119 mm
Gross volume
194.6 dm
3
Usable volume
186.5 dm
3
Connection screws
(M16x1/M12x2/
M10x2)/phase
Tightening torque for
connection nuts
40 Nm
Ground connections
M12 (both in- and
outside)
Weight
90 kg
Protection
IP66
Standards
DIN 42962 Teil 2, D2
(internal dimensions)
Materials:
Box
welded sheet steel (thickness
min. 3 mm)
Cable gland plate
steel
Connection screws
Bronze Bz
Isolators
polyurethane resin or epoxy
casting 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
High voltage terminal box for IEC motors
Figure above: High voltage terminal box. Dimensions in mm.