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Report No. 79765
14.3.3
Transformer/motor, constructional requirements
P
Transformer Insulation Insulation
Res.
Test Volt
Clearances / Creepage distances
Part No.
Between
M Ohms
V (60 sec.)
Measured
Required
Pr - sec
> 100
3KV (rms)
10,0 / 10,0mm
4,0 / 5,6 mm
KLT5W027ZE
, or
CLT5W027ZE
Pr - ic
> 100
3KV (rms)
9,8 / 9,8mm
4,0 / 5,0 mm
Pr - sec
> 100
3KV (rms)
9,1 / 9,1 mm
4,0 / 5,0 mm
KLT5J038ZE
, or
CLT5J038ZE
Pr - ic
> 100
3KV (rms)
9,1 / 9,1 mm
4,0 / 5,0 mm
-
Components / construction
(KLT5W027ZE
or CLT5W027ZE)
Windings on two separate bobbins. The bobbin
s are placed in an insulating housing with two
compartments, one above the other.
Bobbin thickness: > 0,4mm.
Max. Working Voltage: 375Vp/265Vrms
s are placed in an insulating housing with two
compartments, one above the other.
Bobbin thickness: > 0,4mm.
Max. Working Voltage: 375Vp/265Vrms
P
Components / construction
(
(
KLT5J038ZE
or CLT5J038ZE)
Windings on single bobbin. The center flange
provided between primary and secondary
windings. Satisfactory constructed.
Bobbin thickness: > 0,4mm.
Max. Working voltage: 345Vp/244Vrms
provided between primary and secondary
windings. Satisfactory constructed.
Bobbin thickness: > 0,4mm.
Max. Working voltage: 345Vp/244Vrms
P
Transformer Insulation
Thick
(mm)
Material
Dielectric strength test
Part No.
Between
X Number
60 sec.
Pr - sec
0,80 mm min. x 1
PET bobbin
Pass *)
KLT5W027ZE
or
CLT5W027ZE
Pr - ic
0,80 mm min. x 1
PET bobbin
Pass *)
Pr - sec
0,70 mm min. x 2
0,60 mm min. x 1
0,60 mm min. x 1
PBT bobbin wall
PBT bobbin cap.
PBT bobbin cap.
Pass *)
Pr - ic
0,70 mm min. x 1
PBT bobbin
Pass *)
Pr - ic
0,60 mm min. x 1
PBT bobbin cap.
Pass *)
KLT5J038ZE
or
CLT5J038ZE
Pr - sec
0,70 mm min. x 2
0,60 mm min. x 1
0,60 mm min. x 1
PBT bobbin wall
PBT bobbin cap.
PBT bobbin cap.
Pass *)
*) Test voltage: 3000 Vrms
17.1
Torque test to Table 20:
P
Screw
Diameter
With
Without
Material
Torque test (Nm)
Location / function
(mm)
Head
Head
Screw
Nut
Fulfilled / Remarks
Fixing of top cover
(sides)
(sides)
4,0 x -
Metal
Metal
Tested with 1,2Nm,
5 times / Pass
5 times / Pass
Fixing of top cover
(rear)
(rear)
3,0 x -
Metal
Metal
Tested with 0,5Nm,
5 times / Pass
5 times / Pass