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Enamelled Round Winding Wires
|
Enamelled Rectangular Winding Wires
|
Continuously Transposed Conductor
|
Paper Insulated Copper Conductor

ENAMELLED RECTANGULAR WINDING WIRES

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Rectangular Enamelled Copper Wires

Poly Vinyl Acetal, Class 105, 130
Polyester, Class 130 and 155
Polyesterimide 180
Dual Coated Polyester (imide) + Polyamide imide, Class 200
Polyamide imide, Class 200
Polyesterimide Bondable, Class 155 and 180
And Other insulation Coatings according to customer specifications

Product Range Engineering DataPackagingOrdering Info

Product Range

 

1
2
3
4
5
6
7
8
9
SPECIFICATION
STANDARD
IEC-60317-17
NEMA
MW-18C
IEC-60317-18
IEC-60317-16
IEC-60317-28
IEC-60317-29/
NEMA
MW-36C
IEC-60317-30
IEC-60317-47
NEMA
MW-20C
IEC-60317-58
draft)
THERMAL CLASS
105
120
155
180
200
220/240
220
120
180
Chemical base of base coat
Polyvinyl Acetal
Polyvinyl Acetal
Polyester
Polyesterimide
Polyesterimide
Polyimide
Polyamide-imide
Polyvinyl Acetal
Polyesterimide
Chemical base of Top coat
Polyamide-imide
Epoxy-Bond coat
Epoxy-Bond coat
Range of Wire (Diameter)
Cross section area up to 80 sp.mm, Thickness : from 1.3-8 mm, Width : from 2.0-16 mm
Insulation Range
IEC Grade 1:0.060-0.110, IEC Grade 2:0.120-0.179;
NEMA Grade Heavy : Increase in thickness : 0.076-0.127, Grade Quadruple : increase in thickness : 0.127-0.178 mm
In addition to base coat increase
in dimensions, additional bond coat
increase in thickness of
0.030-.0.050 mm
Standard colour
Golden Yellow
Golden Yellow
Brown
Brown
Brown
Light Brown
Light Brown
Golden Yellow
Brown
TECHNICAL PROPERTIES AS PER
IEC-60317-0-2
Flexibility & Adherence
:Mandrel Bending on thickness
on width
2-3 t & 3-4 W
2-3 t & 3-4 W
3-4 t & 4-6 W
3-4 t & 4-6 W
3-4 t & 4-6 W
3-4 t & 4-6 W
3-4 t & 4-6 W
2-3 t & 3-4 W
3-4 t & 4-6 W
:Adherence (no crack after
stretching %)
15
15
15
15
15
10
15
15
15
Heat Shock No cracks after
bending on thickness/
Temperature °C
2-3 t/155
2-3 t/155
6 t/175
6 t/200
6 t/200
6 t/260
6 t/240
2-3 t/155
6 t/200
Break down voltage at Room
temp. (minimum) Volts
Grade 1 : > 1000, Grade 2: >2000
Resistance to hot transformer oil
Excellent
Excellent
Not applicable
Excellent
Excellent
Not applicable
Not applicable
Excellent
Excellent
Heat Bonding temperature/Time
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
110 C/48 h or 120 C/24 h
SPECIAL CHARACTERSISTICS
& APPLICATION
High mechanical strength, strong
adhesion of enamel to copper
conductor, Excellent hydrolysis
& oil resistance
Good thermal,
and
overall good
mechanical,
electrical and
chemical
properties
High thermal,
and
overall good
mechanical,
electrical and
chemical
resistance
High thermal,
electrical and
mechanical,
properties,
excellent heat
shock and
burnout
Very high
thermal
properties
Very high
thermal
properties
Bondable coating
with excellent
mechanical
properties
Bondable coating
with excellent
thermal
properties
Delivery Spools
Please refer to  DELIVERY SPOOLS for Sizes & Respective Spool Types
Special Notes
Oil filled
power &
distribution
transformers,
Inductance
coils, etc.
Oil filled
large
transformers
Loco
transformers,
chokes &
Inductance
coils, etc.
Large rotating
Machines
such as:
motors,DC
motors,High
Voltage motors,
etc.
Large and special
electrical machines
such as:
generators, alternators,
Motors, HV motors,
Dry type transformers,
Inductor coils, etc.
Special electrical
machine
and
magnet
coils for
aerospace
industry
Large and
special
electrical
machines
such as:
generators,
Motors,HV
motors,
Dry type
transformers,
Inductor
coils,etc.
Oil filled large transformers,
Loco transformers,chokes &
Inductance coils, particularly

with improved mechanical

strength(hoop stress) to

resist igh short circuit currents.

Rectangular Wires

 

Cross Section area=wxt-0.8584 r² mm²

Where
W = Conductor Width in mm
t = Conductor Thickness in mm
And    r = Corner Radius in mm

 

Weight of Copper Conductor
Weight in kg/km = 6.982 x d²

Where
d = Conductor dia in mm
and Copper density = 8.890 g/cc

 

Conductor properties
Nominal cross-sectional areas

Delivery Spools

 

DIMENSION OF DRUMS (All dimensions in mm)

Flange
Dia
Barrel
Dia
Traverse
Flange
Thick
Bore
Dia
Catch hole Distance
Slot/hole on barrel
No.of iron tube
Wt.
Kgs.
 450
300
200
18
38
120
15
5
50
 450
300
240
18
38
120
15
5
65
 500
300
240
18
38
120
15
5
110
 560
300
240
18
38
120
15
5
160
 650
400
240
20
38
120
15
6
200
 710
400
300
20
38
120
15
7
225
 710
400
300
20
38
120
15
7
200
 760
460
300
22
38
120
15
8
260
 760**
560
300
22
38
140
15
8
225
 810**
560
300
25
38
140
15
10
240
 860**
560
300
25
38
140
15
10
290
 910**
560
300
25
38
140
15
10
380

 

Note:  

Catch hole dia for all the drums will be 16mm.
**One additional hole of 18mm to be provided on flande at 290mm distance from centre.

Ordering Information

 

We need the following information from our valued clients to understand fully your requirement and deliver the right product :

Size : Width X Thickness
Type of Insulation and thermal class, e.g. Polyester imide, Class 180 or Dual coated Polyester + Polyamide imide Class 200 or Polyurethane solderable, Class 155, etc.
Grade of insulation (thickness), e.g. Grade 1 or 2 or 3, or Single, heavy or triple.
Specification reference : e.g. IEC 60317-28 or IEC 60317-13 or NEMA etc. We can also supply as per Customer drawn Specification
Packing : Spool size required (for specific Type please refer to Delivery Spools).
Net Quantity : Quantity of Wire required, e.g. 2500 kg.(Minimum quantity at a time per size shall be either 1000 KGs or as mutually agreed upon)

 

For any other special requirement, please address your query to our Marketing Department in Mumbai by e-mail mumbai@pwil.net

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