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Asahi Keiki Co., Ltd.
Asahi Keiki Catalog

Asahi Keiki Catalog

Product catalog summary

Specifications:
The document outlines the specifications for a temperature control device model US-639. It includes details on the heat-resistant resin body, water resistance, and various lead wire types. The device is designed for both AC and DC specifications with different color codes for each (white for AC, black for DC). The contact material is an Ag alloy.

Electrical Ratings:
The device supports a maximum of 250VAC at 4A and 12VDC at 8A for resistive loads, with a minimum of 200mA. It has a temperature setting range of 50 to 100℃ with a 5℃ step, and temperature tolerance options of ±5℃, ±7℃, or ±10℃ for OFF and ±15℃ for ON.

Procedures and Standards:
The device is tested for insulation resistance (100 MΩ or more through a 500 VDC megger) and withstand voltage (1,200 VAC/1min for DC spec and 1,500 VAC/1min for AC spec). It is designed to operate at temperatures up to 120℃, excluding the lead wire, and withstand cold temperatures down to -20℃.

Durability and Applications:
The device has an ON/OFF durability of 6,000 cycles or more. It is suitable for applications such as steering wheel heaters, water heaters, vending machines, and motors.

Additional Information:
The document notes that design specifications are subject to change without prior notice and provides a model code for ordering. It also includes a TÜV Rheinland certification mark, indicating compliance with safety standards.

Catalog excerpts

Gas inspection Qualified products , Hermetic type ISO 9001 JQ3307A Qualified ISO 14001 JE0970A Qualified 1/2 Disc , Automatic Reset type thermostat 1/2 Disc , Automatic Reset type thermostat Application/Bath boiler, water heater, etc. Model code us-iisrnmmrnn Attached terminal type (Terminal type : only P) _ Bracket type Electrical rating *The maximum temperature on the JIA certification will be 180 °C *Please contact the Overseas Sec. for the details since the types and specifications ofthe approved models are slightly different from those shown above. A:Attached No symbol : Without attachment Dimensional drawings Terminal type |- M L K I : O : l[n Contact material Type B -H : Surface bracket ( pitch 35mm) Surface bracket ( pitch 23mm) Air stream bracket ( pitch 23mm) Air stream bracket ( pitch 35mm) No bracket : Bracket with M4X0.7 screw ] For soldering ( with 0 2 hole) Pin terminal For welding For soldering ( with 0 2.5 hole) Contact type Contact material X : Open on temperature rise OFF Y : Close on temperature rise ” ON ” C : Au cross bar contact (Type C) Terminal type

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Temperature variable type Leaf type, snap action type THERMOSTAT Application/ Electric kotatsu, anchor etc. Leaf type, snap action type Electrical rating Temp, variable type * Please contact the Overseas Sec for the details since the type s and specifications of the approved models are slightly different from those shown above. Model code Dimensional drawings Load capacity model L Cover model Stoper model No symbol : 500W or less 1 : Cover hole provided 2 : Cover hole not provided 0 : Fixed type M : Z180° Variable type (caulking) C°ntar^taterial -D : Ag'Ag alloy contact Contact^^ -x ■ “OFF” for...

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1/2 inch, Automatic Reset type THERMOSTAT US-602 Specification Application/Oven,Heating unit,LBP etc. Operating temp. 150°C max. Phenol resin case Model code Electrical rating *The differential varies slightly with the operating temperature. * Please contact the Overseas Sec for the details since the type s and specifications of the approved models are slightly different from those shown above. Dimensional drawings 1/2 Disc , Automatic Reset type The material ofthe bracket stainless steel (other than KO and SO) ■ QO : Aluminum cover , no bracket — QE : Aluminum , movable surface bracket ( pitch...

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Movable bracket (FREE) Aluminum (t 0.4) cover Iron (t 0.3) Chromate plating bracket Stainless (t 0.25) cover Stainless (t 0.3) bracket The combination of US-622,621,625 is not allowed Fixed bracket (FIXED) Aluminum (t 0.4) cover Stainless (t 0.3) bracket Aluminum (t 0.4) cover Aluminum (t 0.5) Buried bracket Aluminum (t 0.4) Buried bracket QE-FB Product standards handling notes etc. Stainless (t 0.25) Buried bracket Stainless (t 0.25) Buried bracket Aluminum (t 0.4) cover Aluminum (t 0.5) cover

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ISO 9001 JQ3307A Qualified Large capacity (U type) , minute current (K type) iso 14001 JE0970A Qualified 1/2 Disc , Manual Reset type 1/2 inch, Manual Reset type THERMOSTAT US-603 Application/ Jar pot, Wind lu kettle , etc. ■)K Above dimention is applied for US-603

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Medium and high temperature setting type 1/2 inch, Automatic Reset type 1/2 inch, Automatic Reset type Application/ Scanner, Printer, Copier, etc. Model code US-621 A □□□□□ Cover ■ mounting bracket type Specification Electrical rating *The differential varies slightly with the operating temperature. * Please contact the Overseas Sec for the details since the types and specifications of the approved models are slightly different from those shown above. *US-621 is adapted to be a S.O.D. with a quick response. Dimensional drawings The material ofthe bracket stainless steel (other than KO and SO)...

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ISO 9001 JQ3307A Qualified ISO 14001 JE0970A Qualified 1/2 inch, Automatic Reset type THERMOSTAT US-622 Specification Application/ Oven,Heating unit,LBP etc. [ Polyester resin case ] us 622AXRLQE Electrical rating Switching durability *The differential varies slightly with the operating temperature. * Please contact the Overseas Sec for the details since the types and specifications of the approved models are slightly different from those shown above. *US-622 is adapted to be a S.O.D. with a quick response. 1/2 Disc , Automatic Reset type thermostat Model code Dimensional drawings US-622Dnnnnn...

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High temperature setting type ISO 9001 JQ3307A Qualified ISO 14001 JE0970A Qualified 1/2 inch, Automatic Reset type 1/2 inch, Automatic Reset type THERMOSTAT US-625 Application/ Electric oven.Heating unit.LBP etc. Operating temp. 260°C max. f Ceramic case ] us 625AXRLQL cSMus CQC Model code us-625nnnnnn Specification Electrical rating *The differential varies slightly with the operating temperature. * Please contact the Overseas Sec for the details since the types and specifications of the approved models are slightly different from those shown above. *US-625 is adapted to be a S.O.D. with a...

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All Asahi Keiki Co., Ltd. catalogs and technical brochures

Archived catalogs

US-621 (Asahi Keiki)
2 Pages
US-840
1 Page

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