A Bimetal Thermostat Manufacturer Shaping the Future

Asahi Keiki Co., Ltd.
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  3. US-625

US-625

  • General-purpose type
  • High-temperature type
  • Round disc

Snapper, Snap-action

Features
High-temperature-resistant, compact high-capacity, ceramic-body type, S.O.D. specification
Uses
Microwave ovens, heating appliances, water heaters, copiers, LBP printers, office equipment, etc.
Register
CMJ (Voluntary Registration System for Electrical Equipment Parts and Materials) registered products; UL, C-UL, VDE (EN 60730), and S.O.D. certified products

Product photos

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  • 625_AXRLQE
  • 625_AXRLQE
  • 625_AXRLQE
  • 625_AXTLGO
  • 625_AXTLGO
  • 625_AXTLGO
  • 625_AXRSQE
  • 625_AXRSQE
  • 625_AXRSQE

Thermostat Specifications

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Electrical Rating (Resistive Load) A Type : AC125V MAX.15A（MIN.200mA）
A Type : AC250V MAX.10A（MIN.200mA）
K Type : DC30V MAX.1A(DC5V 1mA)
Ⅰ.Temperature Setting Range
Ⅱ.Temperature Setting Tolerance (Standard)
Ⅲ.Differential diff (Standard)
High-speed thermal response (S.O.D) specification…One-shot product (operates only once)		 Ⅰ.Temperature Setting Range
①0 ～50℃
②51 ～ 100℃
③101 ～ 150℃
④151 ～ 190℃
⑤191 ～ 280℃
S.O.D setting Max. 270℃		 Ⅱ.Temperature Setting Tolerance (Standard)
①±4℃/±5℃
②±4℃/±6℃
③±5℃/±7℃
④±6℃/±8℃
⑤±7℃/±10℃		 Ⅲ.diff (Standard)
①12K
②15K
③20K
④25K
⑤30K
S.O.D product: -35℃ or below
Circuit Resistance (Initial Value) A Type : 50mΩ max.
K Type : 10mΩ max.
Insulation Resistance 100MΩ min. (with DC500V megohmmeter)
Dielectric Strength A Type : AC1500V / 1 min.
K Type : AC1200V / 1 min.
Heat Resistance 290℃
Cold Resistance -20℃
Switching Endurance 10,000 cycles or more (at rated load)

Please contact us separately regarding specifications that exceed these.

Thermostat Model Code

US-625

12345 –6

1 Contact Material

 A : Ag alloy contact K : Au crossbar contact

2 Contact Type

 X : "OFF" when temperature rises Y : "ON" when temperature rises

3 Terminal Angle

 R : Horizontal terminal T : Vertical terminal

4 Terminal Type

 L : Positive lock F250 series compliant (Size: 6.35×0.8 Material: Brass, Ni plated) G : Positive lock F250 series compliant (Size: 6.35×0.8 Material: Iron, Ni plated) M : Positive lock F187 series compliant (Size: 4.75×0.5 Material: Brass, Ni plated) H : Positive lock F187 series compliant (Size: 4.75×0.5 Material: Iron, Ni plated) *Terminal type H: Can only be combined with Horizontal terminal (R) V : IEC60730-1 (DIN46244) compliant (Size: 4.8×0.8 Material: Brass, Ni plated) S : For soldering (ｔ0.5 Material: Brass, Sn plated)

5 Cover Material Holder Type

 QO : Aluminum, Without holder QL : Aluminum, Free surface type (mounting pitch 24.5mm) KO : Aluminum, Recessed type (depth 5.0mm, 24.5mm) GO : Aluminum, Recessed type (depth 5.4mm, 24.5mm) MO : Stainless steel, Without holder (Perforated type) JO : Stainless steel, Recessed type (depth 5.2mm, 24.5mm) QD : Aluminum, Surface type (mounting pitch 30mm) CO : Stainless steel, Recessed type (recessed depth 5.2mm, Perforated 24.5mm)

6 S.O.D Type

 LC : One-shot product (S.O.D compatible)
Model Examples
  • US-625AXRMQO

    Horizontal F187 Terminal, Aluminum Cover, No Holder

  • US-625AXRLQL

    Horizontal F250 Terminal, Aluminum Cover, Holder Mount, pitch 24.5 mm

  • US-625AXTMQL-LC

    Vertical F187 terminal, aluminum cover, open-surface type, pitch 24.5 mm, S.O.D. product

  • US-625AXTLKO

    Vertical F250 Terminal, Aluminum Cover, Air stream holder depth 5 mm, pitch 24.5 mm

List of International Safety Standards and Certification Specifications

Model Name Certification Name File No. Maximum temperature rating [°C] Control Method Cycle Voltage [V] Resistive load Inductive load FLA LRA
US-625 UL C-UL E52529 260 limiting 100,000 AC 125 15 - - -
AC 250 10 - - -
US-625-LC E52529 220 S.O.D. 1 AC 125 15 - - -
AC 250 10 - - -
US-625-LC-QR AC 125 15 - - -
AC 250 10 - - -
US-625V AC 125 15 - - -
AC 250 10 - - -
US-625F 260 AC 250 15 - - -
US-625AXRPQO-LC-FU-□ E52529 260 S.O.D. 1 DC 36 14 - - -
US-625 VDE 40027110 190 thermostat 100,000 AC 250 10.1 - - -
10,000 - 6(6) - -
US-625-LC VDE 40036752 220 S.O.D. 1 AC 250 10 - - -
US-625-LC-QR - - -
US-625V - - -
US-625F 260 15 - - -
US-625（LC-QR） TUV R50228951 210 S.O.D 1 AC 250 10 - - -
US-625（LC-F） TUV R50237443 260 S.O.D 1 AC 250 17 - - -
DC 36V 14 - - -

Thermostat Dimensions

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