Thermal links

U2 Series

U2 Series

The photo of U2X is shown

Features

  • It is a non-resettable thermal links which uses fusible alloy for its thermal element.
  • It does not contain lead (Pb) and cadmium (Cd) in compliance with RoHS.
  • It does not contain 163 substances of very high concern (SVHC) that are specified by REACH as of Jun. 2015.
  • Extremely simple construction ensures reliability, and hermetically sealed thermal element reduces deterioration with age.
  • It has superior thermal sensitivity.
  • It uses an insulating container.
  • Please feel free to ask us about cutting, forming and taping of lead wire.
Lead length Dimensions(mm)
A B C D E
Regular 55±3 5.7±0.5 6.6±0.5 2.5±0.3 0.53±0.02
Long 70±3 5.7±0.5 6.6±0.5 2.5±0.3 0.53±0.02

Specification

Type No. Rated functioning temperature Tf(℃) Functioning temperature
(℃)
Holding temperature Th(℃) Maximum use temperature(℃) Maximum temperature limitTm(℃) Electrical rating
Ampere
(A)
Voltage
(V)
U2E 108 104±3 88 81 200 2 AC250
U22 115 112±3 89 89 200 2.5 AC250
U2X 133 129±3 112 102 200 2.5 AC250
U2J 145 141±3 120 115 200 2.5 AC250
92 87 5 AC125

Safety standard information

Type No. Safety standard approval
PSE UL C-UL VDE CCC KC
U2E JET5267-32001-1004 E50082 E50082 40010818 2009010205323137 SU05029-9007
U22 JET5267-32001-1004 E50082 E50082 40007526 2009010205323134 SU05029-9007
U2X JET5267-32001-1005 E50082 E50082 40010818 2009010205323134 SU05029-9005
U2J JET5267-32001-1006
(AC250V)
E50082 E50082 40010818 2009010205323134
(AC250V)
SU05029-9005
(AC250V)
  • Functioning temperature is measured with silicone oil bath of which temperature is increased at the rate of 1℃/min. Detecting current is 0.1A or less.
  • Please feel free to contact us in regard of the details of safety standard approvals.