IEEMA Electrical Insulation Systems for UL Recognition (UL file # E318161)
IEEMA Class 155-1 For Electrical Machines , for voltages up to 600 V,
Use of insulation system is limited to the combinations of insulating materials specified below. Wherever more than
one items are specified, they may be used together or they may be alternatives to one another.
Wherever thickness is specified it is minimum.
Optional items are not necessarily required in every design.
System
Component
1. Magnet
Wire
2.
Insulating
Varnish/
Resin
3. Ground
and inter
winding
Insulation
4. Tapes
(Optional)
5. Tie Cord
(Optional)
6. Tubing &
Sleeving
(optional)
Manufacturer
Designation/Name
UL File
#
Aluminium or Copper, Round or rectangular enamelled Wire (Magnet Wire) with Insulation:
(a) Polyester (Imide) over coated with Polyamide imide, Grade 1 or above, rated 2000C or
MW35 or MW36Cor MW24
(b) Polyester (amide) (imide) insulated with or without over coat os Polyamide , Grade 1 or
above , rated 1800C, MW-30 , or MW76
Manufactured by various manufacturers as given below:
Bharat Insulation Company
BIC H+ DC WIRE
E250515
GK Winding Wire
MW-35, MW-24
E205855
K Patel Metal Industries
KP-99
E237164
Precision Wire
Preci-1,-2,-3, Preci-4,-5 &- 6
E174288
"RRSHRAMIK" D.C.
Rama Ratna Wires
E238786
Elmotherm H71
Isonel 31 J
Isopoxy 800
Elmoluft 1A-..
E253938
ELANTAS Beck India Limited
Elmotherm FR63
Dobeckan FT 1052/…
Dobeckan FT 1040/…
Dobeckan FT 1080/…
Dobeckan FT 2001/…
Nomex 410, 411, 416, 464, min 4 mil thick manufactured by DuPont, or composite thereof of the
following make:
Dupont India Ltd
Nomex 410, 411, 416, 464
???
Flexiltherm NPN/2, , /5UC, /5
E219095
Flexilam Nomex NPN/2 & /3
Beico Industries Ltd.
Flexitherm NP/5
Flexilam Nomex NPN/5UC
Fleximide NKN/2
Polycom Associates
GARTHERM NPN
E209526
Varnished glass-fibre tape, Unvarnished glass fibre tape, manufactured by the following:
Vidyut Impex insulation
F 250 (Adhetherm Polyimide Kapton Acrylic Adhesive Tape)
P212 (Glass Cloth Tape with Acrylic Adhesive Class F)
PRS Permacel
P291A (Polyimide Adhesive Tape with Acrylic Adhesive
Class F)
3A associates
430 (Silicone Elastomer Glass Tape)
Industrial Tapes & fabrics IPGT F-155 (Intaf Polyglass Tape Class 155)
Kiran Udyog
SET-101 (Woven Glass Fiber Tape Class F)
BT-101 (glass Fiber Bandaging Tape Class F)
GL 201 (Glass Fiber Tape)
Nasik Insulation
PG 301 (Glass + Polyester Fiber Tape)
PL-401 (Polyester Fiber Tape)
Polyester cord , Unvarnished glass fibre cord,
Kiran Udyog
FGC 101
BRC (Bracing Cord)
Vidyut Impex
GFHC (Videx Glass Fiber Hauser Cord)
GFPHC – Videx Glass fiber Polyester Hauser Cord
Varnished glass-fibre Sleeving, with Thermal class 155 varnish,
Vidyut Impex
VFVGS – F Videflex varnished FG sleeve F class
3A associates
433A - Silicone Glass Sleeve
Kiran Udyog, Bidar
FG AG-701 Fibreglass Sleeving
IEEMA-UL file # E318161 System approval
System
Component
7. Spacers /
wedge
(Optional)
8. Lead
wires
9. Finishing
Varnish
(optional)
Manufacturer
Designation/Name
UL File
#
Epoxy resin bonded glass-fibre laminate
Permaglass 22 CE / 29
Permaglass 22 CES
Permalli Wallace
Permaglass 22 FE/29
Permaglass 22 CPG
G10 – Lamitherm
Vidyut Impex
GFEHC – Lamitherm
A Crosslinked Polyethylene rated 150oC
Thermal class 130 or higher finishing ambient curing or elevated temperature curing varnish or
resin
ELANTAS Beck India Ltd.
Epoxy gel coat + Hardener EH 758/411
Becktol(Red)/(Grey)
IEEMA-UL file # E318161 System approval