Thermal-links

SK Series

SK Series

SK Series

Features

  • It is a non-resettable thermal link that uses a fusible alloy for its thermal element.
  • To use ceramic container improves its thermal sensitivity.
  • It is compliant with RoHS2.
  • 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 4.0±0.5 5.2±0.5 2.2±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）
SKM 139 135±3 124 113 200 0.8 AC250
95 90 3 DC50
SKJR 145 141±3 123 120 200 0.8 AC250
109 104 3 DC50

Safety standard information

Type No. Safety standard approval
PSE UL C-UL VDE CCC KC
SKM JET5267-32001-1005
(AC250V)		 E50082 E50082 40013100 2020980205000092
(AC250V)		 SU05029-8001
(AC250V)
SKJR JET5267-32001-1006
(AC250V)		 E50082 E50082 40030793 2020980205000132
(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.

Application guidance

Uchihashi Estec Co.,Ltd.

  • Head office / factory

    Fax:+81-6-962-6668

  • Tokyo Sales Section

    Fax:+81-3-989-1487