RR Shramik Super Enamelled Copper Winding Wires

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We offer a superior range of enamelled copper wires aiming to cater the wide variety of applications
in the industry ranging from a common motor rewinding to most critical applications like in automobiles.
Enamelled winding wire is a film insulated copper (or aluminium) electrical conductor used in form of
coil windings in motors, transformers, generators and other electromagnetic equipments.
When wound into coils, and energized, enamelled winding wire creates an electromagnetic field,
which is utilized to generate the required output form of energy – viz electrical to mechanical
(or vice versa) electrical to electrical, and electrical to magnetic energy.

Application
Super Enamelled Copper wires are mainly used in domestic equipments,pumps, motors, stabilizers,
transformers, fans,auto electricals,heavy duty domestic appliances, motors,compressors,large motors and generators

Types Modified Polyester 130°C Modified Polyester 155°C Polysterimide 180°C Dual Coated Wire PE/PEI + PAI 200°C
Range- Copper 0.06 to 5.0 mm 0.06 to 3.0 mm 0.06 to 5.0 mm 0.06 to 4.0 mm
Range-Aluminium 0.25 to 5.0 mm 0.25 to 5.0 mm 0.25 to 5.0 mm 0.25 to 5.0 mm
Specifications-Copper IS 13730-34
IEC 60317-34
IS 13730-9
IEC 60317-9 IS 13730-3
IEC 60317-3 IS 13730-8
IEC 60317-8
IS 13730-15
IEC 60317-15 IS 13730 -13
IEC 60317 – 13
NEMA MW 35A/35C
IEC 60317 – 25

Description

We offers an industry-leading range of high quality fine and ultra-fine enamelled copper wires.
The enamelled wire properties governing proper selection not only require consideration of the
end use conditions but system compatibility and ease of use in production. Solderablility,
abrasion resistance, bondability, flexibility, insulation builds, etc. are all typical production and
design considerations.Higher temperature requirements and more complex systems dictate the
need for knowledgeable selectivity of enamelled wires. In addition to the product featured in this
catalogue, we can manufacture custom insulated wires to meet your requirements.

Application

Fine and Ultrafine Enamelled Copper Wires are mainly used in Small Transformers, Relays, Ignition Coils, Transformers & Small Motors

Product Name / Code SSFC 155°C SSFC+N 155°C SSFCP 155°C SSHC 180°C SSHC+N 180°C SSPEI 180°C
Standards : IEC (including the following norms) IEC 60317-20 IEC 60317-19 / IEC 60317-20 IEC 60317-20 IEC 60317-51 IEC 60317-51 IEC 60317-23
NEMA (including the following norms) MW 79-C MW 80-C MW 79-C MW 82-C MW 83-C MW 77-C
JIS (including the following norms) JIS 3202 – JIS 3202 JIS 3202 JIS 3202 –
Size Range
0.010 mm – 1.6 mm
0.010 mm – 0.700 mm
0.010 mm – 1.6 mm
0.010 mm – 1.6 mm
0.010 mm – 0.700 mm
0.010 mm – 0.700 mm

Enamelled Wire is a Copper Wire coated with a very thin layer of insulation. It is used in the construction of
transformers, inductors, motors, speakers, and other applications which require tight coils of wire.

A transformer is a device that transfers electrical energy from one circuit to another through its coils (windings).
The properties needed for motor windings are similar to those needed for transformers, but with the additional
requirement to withstand mechanical vibration and centrifugal forces at operating temperatures.

The wire itself is most often fully annealed, electrolytically refined copper. Copper Enamelled Wires are
often used to improve energy efficiency in electric motors.

Thicker Enamelled Wire is often square or rectangular (with rounded corners) to provide more current flow per coil length.

The most suitable materials for Enamelled wire applications are unalloyed pure metals, particularly copper and aluminium.
Copper is considered the best choice conductor for Enamelled wire in terms of chemical, physical & mechanical properties required.

Most often, Enamelled wire is composed of fully annealed, electrolytically refined copper to allow closer winding
when making electromagnetic coils. The wire is coated with a range of polymeric insulations, including varnish, rather
than the thicker plastic or other types of insulation commonly used on electrical wire. Polyimide insulated magnet wire
is capable of operation at up to 250 °C.

Self-supporting coils are wound with wire coated with at least two layers, the outermost being a thermoplastic that
bonds the turns together when heated.

Other types of insulation such as fiberglass yarn with varnish, aramid paper, kraft paper, mica, and polyester film are
also widely used across the world for various applications like transformers and reactors.

Enamelled Wire are classified by diameter (AWG number, SWG or millimeters) or area (square millimeters),
temperature class, and insulation class.

Breakdown voltage depends on the thickness of the covering, which can be of 3 types: Grade 1, Grade 2 and Grade 3.
Higher grades have thicker insulation and thus higher breakdown voltages.

The temperature class indicates the temperature of the wire at which it has a 20,000-hour service life.
At lower temperatures, the service life of the wire is longer (about a factor of 2 for every 10 °C lower temperature).
Common temperature classes are 105 °C, 130 °C, 155 °C, 180 °C and 220 °C.

Enamelled Wire can work continuously for 155 °C and 180 °C environment with good welding resistance & high performance.

Wide array of super Enameled Copper Wires ranging from 1.626 mm to 0.081 mm (16 swg to 44 swg).
Types of Enamel
Polyster (class F) Temperature Index 155
Polyesterimides (class H) Temperature Index 180
Polyamideimide (Class C) Temperature Index 200
Polyurethane i.e. Self Solderable (Class F and Class H)Temperature Index 155 & 180
Dual Coat
Self bonding on any enamel class
Annealed Bare Copper wire ranging from 6mm to 0.1mm.
Pioneer of customized LITZ wires for specific application.
Non standard sizes or customer specific sizes can be produced as per requirement.

SPECIFICATIONS FOR ENAMELED COPPER WIRES
CONDUCTOR DIAMETER CONDUCTOR TOLERANCE ENAMEL THICKNESS SPECIFICATION WITH GRADE TYPE
GRADE 1 (FINE) GRADE 2 (MEDIUM) GRADE 3 (THICK)
SWG mm ±(mm) MINIMUM INCREASE(mm) MAXIMUM OVERALL DIA(mm) MINIMUM INCREASE(mm)
16 1.626 0.017 0.039 1.698 0.073 1.735 0.11 1.770
17 1.422 0.015 0.038 1.492 0.071 1.528 0.107 1.562
18 1.219 0.013 0.035 1.285 0.067 1.318 0.1 1.350
19 1.016 0.011 0.034 1.08 0.065 1.113 0.098 1.144
20 0.914 0.01 0.034 0.976 0.063 1.008 0.095 1.038
21 0.813 0.009 0.032 0.872 0.06 0.902 0.09 0.931
22 0.711 0.008 0.03 0.766 0.056 0.795 0.085 0.822
23 0.61 0.006 0.027 0.659 0.05 0.684 0.075 0.708
24 0.559 0.006 0.025 0.605 0.047 0.629 0.071 0.652
25 0.508 0.006 0.025 0.554 0.047 0.578 0.071 0.601
26 0.457 0.005 0.024 0.501 0.045 0.523 0.067 0.544
27 0.417 0.005 0.022 0.458 0.042 0.48 0.064 0.500
28 0.376 0.005 0.021 0.417 0.04 0.435 0.06 0.454
29 0.345 0.005 0.02 0.382 0.038 0.401 0.057 0.418
30 0.315 0.004 0.019 0.349 0.035 0.367 0.053 0.384
31 0.295 0.004 0.019 0.329 0.035 0.347 0.053 0.364
32 0.274 0.004 0.018 0.306 0.033 0.323 0.05 0.339
33 0.254 0.004 0.018 0.286 0.033 0.303 0.05 0.319
34 0.234 0.004 0.017 0.265 0.032 0.281 0.048 0.296
35 0.213 0.003 0.015 0.241 0.029 0.255 0.043 0.269
36 0.193 0.003 0.014 0.219 0.027 0.232 0.039 0.245
37 0.173 0.003 0.013 0.197 0.025 0.21 0.036 0.222
38 0.152 0.003 0.012 0.174 0.023 0.186 0.033 0.197
39 0.132 0.003 0.011 0.152 0.021 0.162 0.03 0.171
40 0.122 0.003 0.01 0.141 0.019 0.151 0.028 0.160
41 0.112 0.003 0.009 0.13 0.017 0.139 0.026 0.147
42 0.102 0.003 0.009 0.119 0.017 0.128 0.026 0.136
43 0.091 0.003 0.008 0.107 0.016 0.115 0.023 0.122
44 0.081 0.003 0.008 0.096 0.015 0.103 0.022 0.110

Copper Enamelled Round Wire
We manufacture an exclusive range of super enamelled copper wire that is manufactured using E.C Grade copper rods
that is extruded or drawn by dies of special size and is further repeatedly coated with enamel. Our assortment of
enamelled copper wire comprises Polyester, Polyesterimide and Self-Solderable wires.

Specifications

Size Range
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Modified Polyester Enamelled IS 13730/ 8 swg to 43 swg
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Round Copper Wire, Class 155 IEC 60317 4.06 mm to 0.091 mm
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Part 3 : 1996
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Polyestermide Enamelled IS 13730/ 8 swg to 43 swg
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Round Copper Wire, Class 180 IEC 60317 4.06 mm to 0.091 mm
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Part 8 : 1996
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Polyesterimide overcoated with IS 13730/ 8 swg to 43 swg
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polyamide-imide enamelled IEC 60317 4.06 mm to 0.091 mm
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Round Copper Wire, Class 200 Part 13 : 1993
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Self Solderable Polyurethane IS 13730/ 14 swg to 43 swg
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Enamelled Round Copper Wire IEC 60317 2.032 mm to 0.091 mm
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Class 155 Part 20 : 1993
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Self Solderable Polyurethane IS 13730/ 14 swg to 43 swg
Enamelled Round Copper Wire IEC60317 2.032 mm to 0.091 mm
Class 180 PART 23

Single Coated Polyamide-Imide IS 13730/ 8 swg to 36 swg
Round Copper Wire IEC60317 4.064 mm to 0.200 mm
Class 220 Wires PART 57

Insulation Class

Product Range
Thermal Class
Specification

Modified Polyester 155 C IS-13730-Part-3
Polyestermide 180 C IS-13730-Part-08
Dual Coated 200 C IS-13730-Part-13
Self Solderable 155 C & 180 C IS-13730-Part-20 & 23
PAI 220 C IS-13730-Part-57

Application Specification Standards

IEC, DIN, IS Specification
International/Customised Standard

Packing Details
PT2 , PT4 , PT6 , PT10 , PT25 , PT45 , Pt90 Pt190 & as per Customers Requirements

Application
LOCOMOTIVE TRANSFORMERS
AUTOMOBILES ELECTRICAL MOTORS & PUMPS
ELECTRICAL APPLIANCES LIGHTING FIXTURES

Inspection & Approval Certificates : C/W Certificate (Calibration Works Certificate) EN-10204 3.1 / DIN-50049 3.1 / ISO-10474 3.1 Mill Test Certificate,
ISI Mark, BIS Certified, NACE HIC TM-0284 / NACE MR-0103 / NACE MR-0175 / ISO 15166, CE Marking, PED Certified, PED Approved,
European Pressure Equipment Directive PED-2014/68/EU, AD-2000-WO, ASME Boiler & Pressure Vessel Code Section-II Part A Edition 2019,
API 6A (American Petroleum Institute), ISO 9001 Certified, NADCAP Certified, EN9100 Certified, AS9100 Certified with EN 10204 3.2 Certificate
duly Certified & Approved by IBR (Indian Boiler Regulations), LR Class (Lloyd’s Register), GL (Germanischer Lloyd), BV (Bureau Veritas),
DNV (Det Norske Veritas), ABS Class (American Bureau of Shipping), SGS, TUV, RINA, IR Class (Indian Register of Shipping),
NORSOK Approved Standard M-630, M-650 Rev.3

If you have any requirement of above items, please feel free to contact us

Regards,

CONTACT PERSON :

MUKESH SHAH
Director
Mobile No. 0091 – 9820292499
Email – marketing@rolexmetals.com

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