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​Safety certification

【Safety Certification】 EIS Class in Safety Certification

2/14/2019

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The EIS in Safety Certification is Electrical Insulation System, also named as Insulation System.
 
The Insulation System Class is a temperature class of an insulation system that is numerically equal to a maximum hot-spot operating temperature. The methods of measuring temperatures and determining hot-spot temperature allowances are specified in end-use standards.
 
[Note]
  • UL 1446 Systems of Insulating Materials – General.
  • Maximum hot-spot temperatures of insulation systems:
System class         Maximum hot-spot temperature, °C
   105 (A)                                                                            105
   120 (E)                                                                             120
  130 (B)                                                                             130
  155 (F)                                                                             155
  180 (H)                                                                           180
  200 (N)                                                                           200
  220 (R)                                                                           220
  240 (S)                                                                           240
  Over 240 (C)                                         Over 240

Please feel free to contact us, if you need to apply UL EIS Certification or Product Safety Certification Service!
Contact: Ms. Chris Chen (twsales@great-c.com)

(GCS Safety team)
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