Universal changeover switches
Universal changeover switches
Universal changeover switches

Universal changeover switches

Model Number: LW39B-20

Products Description:

This transfer switch, also known as combination switches and power switches.

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Key Specifications/ Special Features:

Product Drawings

LW39-20A-3-tz.jpg


Usage

For manual infrequent on or off circuit, as a control, conversion purposes. It can also be used to control small capacity AC motor starting, speed change, direction change and as a master command control and circuit measurement. Widely used in welding machine, machine tool, knife grinder, charger and other small machinery and equipment.


Description

Switches in accordance with the international electrical standards IEC60947-3, IEC60947-5 EN60947 and national standards GB14048.3-2002


Services

  • Sample test: Because of the specialness of bimetal thermostats, we need to conduct matching installation test before an order is placed. Through such test, we can also make sure that the performance of our products, temperature and other parameters are qualified in line with customers’ requirements.
  • Special requirements: We can design molds according to customers’ drawings. If customers do not have drawings, but have samples, they need to send the samples to our engineers. We can measure the size and design the drawing, and then design the mold based on the drawing.
  • After-sales service: If the temperature of the product needs to be changed, please feel free to contact us and we will always be patient in serving you. Instead of engaging in one-off business, we are seeking long-term cooperation, from which we can achieve a win-win situation.
  • Payment: Currently we support T/T payment, and demand an advance deposit which is 30% to 50% of the total amount. The rest shall be paid off before delivery. As for other payment methods, it can be determined according to the sum of the order and the actual situation.


Product Parameters


Product CertificatesCE,TUV
Suitable for use with AC 50HZ
electrical contact resistance≤50mΩ
electrical insulation resistance≥100mΩ/DC500V
rated voltage690V以下
rated current100A以下
operating temperature-25-150℃


Packing:

inner packing:

outer packing:

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Universal changeover switches

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