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  3. US-639 (Asahi Keiki)

US-639 (Asahi Keiki)

US-639 (Asahi Keiki)
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US-639 (Asahi Keiki)

Product catalog summary
Overview: This document outlines the specifications and features of a heat-resistant resin body designed for water resistance through resin filling. It includes details on temperature tolerance, lead wire types, and electrical ratings.
Specifications:
  • Temperature Tolerance: Options available for ±5℃, ±7℃, or ±10℃.
  • Lead Wire Types: A1 for AC specifications with cross-linked polyethylene insulated wire (UL3266, white, 70mm), D1 for DC specifications (UL3265, black, 70mm), and T for special customer specifications.
  • Contact Material: Ag alloy contact with "OFF" for temperature rise.
  • Electrical Ratings: 250VAC max 4A, 12VDC max 8A, 24VDC max 4A, all with a minimum resistive load of 200mA.
  • Temperature Setting Range: 50 to 100℃ in 5℃ steps.
  • Insulation Resistance: 100 MΩ or more through a 500 VDC megger.
  • Withstand Voltage: 1,200 VAC/1min for DC spec, 1,500 VAC/1min for AC spec.
  • Heat and Cold Resistance: Up to 120℃ (excluding lead wire) and down to -20℃.
  • Durability: ON/OFF durability of 6,000 cycles or more.
Applications: Suitable for use in steering wheel heaters, water heaters, vending machines, motors, etc.
Additional Notes: Design specifications are subject to change without prior notice. For specific requirements or modifications, contact the manufacturer.
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Catalog excerpts

US-639 (Asahi Keiki)-1

Application / Steering wheel heater, water heater, vending machine, motor etc. Temperature setting Max. 100°C Specifications ^For the standard Temperature tolerance OFF Temp. side freely choose from (±5°C,±7°C,±10°C). ^Please contact us for the various specifications ( lead wire type, temperature/differential setting) or any modifications and inquiries. Model code Dimensional outline drawing US-639 A X □ □ □ — Lead wire conductor size [1: AWG# 24(4A or Less), 2: AWG# 20 (Over 4A)] Lead wire code—A1 : Cross-linked polyethylene insulated wire (AC spec.100°C or less) [UL3266 White L=70mm] D1 : Cross-linked polyethylene insulated wire (DC spec.100°C or less) [UL3265 Black L=70mm] I— T : Special Lead wire [ Customer's specification] Case code-- A :AC spec. White color — D:DC spec. Black color Contact code Contact material code ^ The design specifications of our products are subject to change without prior notice.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.