Tech Spec Sheet Copper Enamelled Wire


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Type of enamelled wire High mechanical strength Self solderable& bondable General purpose High mechanical strength High Thermal & mechanical strength High temperature High temperature
SPECIFICATIONS/ STANDARD IS : 13730-1/ IEC-60317-1/
NEMA
MW-15C/
JIS C 3202-PVF
IS : 13730-2/
IEC-60317-2
IS : 13730-3/
IEC-60317-3/
NEMA
MW-5C 
IS : 13730-4/
IEC-60317-4/
NEMA
MW-75C/
JIS C 3202-UEW
IS : 13730-7/
IEC-60317-7
IS : 13730-8/
IEC-60317-8/
NEMA
MW-30C/
72C (Hermetic)
JIS C 3202-EIW
IS : 13730-13/
IEC-60317-13/
NEMA
MW-30C/
73C (Hermetic)
THERMAL CLASS 130 (B) 130 (B) 155 (F) 130 (B) 200 180 (H) 200 (C)
Chemical base of base/ Single coat Modified Polyvinyl Acetal Polyurethane Modified Polyester Polyurethane Polyimide Polyesterimide Theicpolyester/ Polyesterimide
Chemical base of top coat   Polyvinyl butyral/Polyamide         Polyamideimide
Range of Wire (Diameter) 6.400-0.500 mm 2.000-0.050 mm 6.400-0.050 mm 2.000-0.050 mm 6.400-0.020 mm 6.400-0.050 mm 6.400-0.050 mm
Insulation Range Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1 & 2
as per IEC
(Single & Heavy as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Standard colour Golden Yellow to Light Orange As per requirements Light Brown/ Medium Brown As per requirements Golden Yellow to Light Orange Light Brown/ Medium Brown Light Brown/ Medium Brown
Heat shock (°C) 155 155 175 155 240 200 220
Cut through (°C) 170 170 240 170 400 300 320
Solderable temperature (°C) Not applicable 375 Not applicable 375 Not applicable Not applicable Not applicable
Resistance to Abrasion for 1.00mm dia grade 2 wire (n) >11.3 >9.3 >10.4 >9.3 >6.6 >10.9 >11.3
Resistance to refrigerants Very good Not applicable Not applicable Not applicable Very good Good Very good
Flexibility & Adherence Very good Good Good Good Very good Good Very good
Bonding Temperature (°C) Not applicable 170/200 depending on overcoat Not applicable Not applicable Not applicable Not applicable Not applicable
SPECIAL CHARACTERSISTICS & APPLICATION High mechanical properties,
good
transformer oil
resistance,
suitable for
130°C
Hermetic
applications,
used in oil filled
transformers &
equipments
requiring high
mechanical
properties such
as auto
electricals.
Solderable,
thermoplastic
bonded by heat
or solvent, used
for all self
supported coils
for television,
electronics,
small motors,
relays,
magnets,
telephones &
voice coils of all
kinds can be
bonded in forms
by heating at
170/180°C
Upgraded
thermo
mechanical
properties
compared to
ordinary
polyesters,
used in ignition
coils,
oil filled
transformers,
relays,
contractors, fhp
motors. This
version can also
be made for
upgraded
abrasion.
Self solderable
property with
good insulation
resistance, high
flexibility used in
all
communication
equipments,
relays, magnetic
spools,
universal &
non-
impregnated
winding of all
kinds of
transformers.
Designed
for using of
wire for
product with
maximum
value of the
thermal and
mechanical
characteristics
Good
resistance
against
refrigerants,
transformer oil.
High burnout
resistance,
used in fhp
motors,
hermetic
application and
thermal class
180°C
equipments.
Very good
resistance for
refrigerants &
chemicals, high
burnout
resistance,
excellent
windability, low
coefficient of
friction, high
slotfill factor,
used in special
motors including
Hermetic motors,
Armatures,
Alternators,
Power Tools and
high HP motors,
suitable for high
speed coil
winding.
Delivery Spools Please refer to Copper Enamelled Winding Wire Packing Range Chart
Special Notes     Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required. Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required.   Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required. Top coat Polyamide imide can be supplied of the type Self Lubricated, if required.
* IS 13730 and IEC 60317 are  harmonized standards           

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Type of enamelled wire Self solderable Self solderable Self solderable High temperature Self solderable   High temperature
SPECIFICATIONS/ STANDARD IS : 13730-19/
IEC-60317-19/
NEMA
MW-28C
IS : 13730-20/
IEC-60317-20/
NEMA
MW-79C
IS : 13730-21/
IEC-60317-21
IS : 13730-22/
IEC-60317-22/
NEMA
MW-76C
IS : 13730-23/
IEC-60317-23
IS : 13730 (Under/ preparation)/
IEC-60317(Under
preparation)/
NEMA MW-24C
IS : 13730-26/
IEC-60317-26/
NEMA
MW-81C
THERMAL CLASS 130 (B) 155 (F) 155 (F) 180 (H) 180 (H) 155 (F) 200 (C)
Chemical base of base/ Single coat Polyurethane Polyurethane Polyurethane Polyester/ Polyesterimide Polyesterimide Polyester Polyamideimide
Chemical base of top coat Nylon   Nylon Nylon      
Range of Wire (Diameter) 2.000-0.050 mm 0.800-0.050 mm 1.60-0.050 mm 6.400-0.050 mm 1.60-0.050 mm 1.60-0.254 mm 1.60-0.071 mm
Insulation Range Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Standard colour As per requirements As per requirements As per requirements Medium Brown to Dark Brown Light Brown As per requirements Light Brown
Heat shock (°C) 155 175 175 200 200 175 220
Cut through (°C) 170 200 200 265 265 240 350
Solderable temperature (°C) 375 390 390 Not applicable 470 Not applicable Not applicable
Resistance to Abrasion for 1.00mm dia grade 2 wire (n) >9.3 >8.3
(0.8 mm)
>9.3 >10.9 >10.9 >10.0 >7.05
(for gr.1)
Resistance to refrigerants Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Very good
Flexibility & Adherence Good Good Good Good Good Good Good
Bonding Temperature (°C) Not applicable Not applicable 170/200 depending on overcoat 170/200 depending on overcoat 170/200 depending on overcoat Not applicable Not applicable
SPECIAL CHARACTERSISTICS & APPLICATION Low coefficient of
friction, besides
properties of
general purpose
polyurethane.
It is suitable for
winding in small
size motors, coils
of electrical
instruments,
especially of high
speed winding.
Self solderable
property with its
low dielectric
dissipation factor
under high
frequency. It can
be widely used in
electrical
instruments of
machine tools,
motors which
have special
requirements of
this type of
enamel.
Low coefficient of
friction, besides
properties of
polyurethane,
suitable for
winding in small
and medium
electrical
instruments, for
high speed
winding.
Used in all 180°C
class equipment
requiring high
speed machine
winding, low
coefficient of
friction.
Self solderable
with high potential
both under the dry
and humid
conditions, good
properties in heat
shock and cut
through, it is
suitable for the
coils of various
motor appliances,
instruments and
telephone
equipments.
Good mechanical,
electrical &
chemical
resistance
properties.
Improved for
high speed
winding.
FHP motors,
coils & relays,
audio &
instrument coils.
High burnout
resistance,
excellent
windability, low
coefficient of
friction, high
slot fill factor,
used in special
types of
motors &
electromotive
tools.
Delivery Spools Please refer to Copper Enamelled Winding Wire Packing Range Chart
Special Notes   Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required.          
* IS 13730 and IEC 60317 are  harmonized standards           

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Type of enamelled wire General purpose Self solderable/Self bonding Self solderable/Self bonding Self bonding General purpose General purpose Self solderable/High Temperature
SPECIFICATIONS/ STANDARD IS : 13730-34/
IEC-60317-34/
JIS C 3202-PEW
IS : 13730-35/
IEC-60317-35
JIS C 3202-SBUEW
IS : 13730-36/
IEC-60317-36
JIS C 3202-SBUEW
IS : 13730-37/
IEC-60317-37
IS : 13730-45/
IEC-60317-45
IS : 13730-54/
IEC-60317-54
IS : 13730-51/
IEC-60317-51/
NEMA
MW-82C
THERMAL CLASS 130 (B) 155 (F) 180 (H) 180 (H) 130 (B) 155 (F) 180 (H)
Chemical base of base/ Single coat Polyester Polyurethane Polyesterimide Polyesterimide Polyester Polyester Polyurethane
Chemical base of top coat   Polyvinyl butyral/Polyamide Polyvinyl butyral/Polyamide Polyvinyl butyral/Polyamide      
Range of Wire (Diameter) 6.400-0.050 mm 0.800-0.050 mm 1.60-0.050 mm 1.60-0.050 mm 6.400-0.050 mm 6.400-0.050 mm 1.00-0.050 mm
Insulation Range Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1b,2b & 3b
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1b,2b & 3b
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1b,2b & 3b
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Grade 1,2 & 3
as per IEC
(Single, Heavy & Triple as per NEMA)
Standard colour Medium Brown As per requirements Light Brown/
Dark Brown
Light Brown/
Dark Brown
Light Brown/
Medium Brown
Light Brown/
Medium Brown
As per requirements
Heat shock (°C) 155 175 200 200 155 175 200
Cut through (°C) 240 200 265 300 240 240 240
Solderable temperature (°C) Not applicable 390 470 Not applicable Not applicable Not applicable 450
Resistance to Abrasion for 1.00mm dia grade 2 wire (n) >10.4 >8.1 >10.9 >10.9 >10.4 >10.4 >7.8
Resistance to refrigerants Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable Not applicable
Flexibility & Adherence Good Good Good Good Good Good Good
Bonding Temperature (°C) Not applicable 170/200 depending on overcoat 170/200 depending on overcoat 170/200 depending on overcoat Not applicable Not applicable Not applicable
SPECIAL CHARACTERSISTICS & APPLICATION Good thermal &
electrical
properties,
used in general
purpose
rotating & static
electrical
equipments, oil
transformers,
control coils.
Solderable,
thermoplastic
bonded by heat
or solvent, used
for all self
supported coils
for television,
electronics, small
motors, relays,
magnets,
telephones &
voice coils of
all kinds
can be bonded in
forms by heating
at 170/180°C
Solderable,
thermoplastic
bonded by heat
or solvent, used
for all self
supported coils
for television,
electronics, small
motors, relays,
magnets,
telephones &
voice coils of
all kinds
can be bonded in
forms by heating
at 170/180°C
Class 180°C
with self bonding
property and
all other
properties of
Polyesterimide.
General purpose
130°C polyster.
Good thermal &
electrical
properties,
used in general
purpose
rotatng &
static electrical
equipments, oil
transformers,
control coils.
General purpose
155°C polyester
with heat shock
at higher mandrel
diameter. Good
thermal &
electrical
properties,
used in general
purpose rotating
& static electrical
equipments, oil
transformers,
control coils.
Good mechanical,
electrical &
chemical
resistant
properties.
Improved thermal
resistance. Fast
solderability.
Fractional &
integral
horsepower
motors
Class 155.
Coils & relays.
Instrument &
audio coils.
Delivery Spools Please refer to Copper Enamelled Winding Wire Packing Range Chart
Special Notes Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required. Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required.   Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required.     Can be supplied with Polyamide (Nylon) topcoated for improved high-speed windability, if required.
* IS 13730 and IEC 60317 are  harmonized standards           

















DIAMETERS
(mm) / SWG
SPOOL
TYPE
PT
1
125
mm
PT
4
160
mm
PT
10
200
mm
PT
15
250
mm
PT
25
PT
45
400
mm
PT
90
PT
190
PT
400
LARK SPOOL
CODE (click on Spool Code to view figure)
App wire
wt. Kgs
1.5 2 - 2.5 4 5 10 10 15 20 25 45 60 90 190 400
0.05 - 0.14
47 - 38
  OO OO SP SP OO OO
>0.14 - 0.28
37 - 32
OO OO SP SP OO OO
>0.28 - 0.50
31 - 26
OO OO SP OO OO OO OO
>0.50 - 0.70
25 -23
OO OO SP OO OO OO OO OO
>0.70 - 2.30
22 - 14
OO SP OO OO OO OO OO OO
>2.30 - 4.50
13 - 8
OO OO OO SP OO OO
>4.50 - 6.60
7 - 3
OO SP OO OO
SP - Standard Packing                                     OO - On Order

 

    D1 D2 D3 D4 D5 L1 L2 S1  
SPOOL
CODE
Reel Description
Size/Type 
Bottom
Flange
Dia. (mm) 
Bottom
Barrel
Dia. (mm)
Top
Flange
Dia. (mm)
Top Side
Barrel
Dia. (mm)
Bore
Size
(mm)
Total
Length
(mm)
Inside
Traverse
Length (mm)
Flange
Thickness
Bott./Top 
Approx wire
Weight
(Kgs)
No. of
Reels
per box
S1 PT - 1 105 58 95 53 20 120 100 10 1.5 8
S2 125 mm. 125 60 125 60 25 93 70 12 2 - 2.5 8
S3 PT - 4 140 86 124 74 26 200 170 15 4 4
S4 160 mm. 160 100 160 100 22 160 128 11 5 4
S5 PT - 10 180 110 160 96 26/30 230 200 15 10 1
S6 200 mm. 200 110 200 110 38 155 120 15 10 1
S7 PT - 15 200 110 180 96 30 230 200 15 15 1
S8 250 mm. 250 110 250 110 38 153 125 15 20 1
S9 PT - 25 230 130 215 110 30/32/34 280 250 15 25 1
S10 PT - 45 250 160 236 140 106 400 335 32.5 45 1
S11 400 mm. 400 200 400 200 38 195 150 23 60 1
S12 PT - 90 315 200 300 180 106 500 425 37.5 90 1
S13 PT - 190 400 250 375 224 106 630 530 50 190 1
S14 PT - 400 500 315 475 280 100 800 670 65 400 1
Notes: 1) Spools could also be available as per DIN - 46383, 46399, IEC 264 or as per customer's requirement
             2) Information is for general guidance and is subject to change.
             3) Can supply Spools packed on pallets and shrinkwrapped.