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Tip welding

A large range of electrical contacts based on the alloys of silver for switchgear and controlgear used in the range 16amps - 100amps and where high bond quality is essential.
The diversity and flexibility of production methods used by Metalor Technologies is designed to meet most requirements in contact combinations and batch sizes from a few thousand to many millions of parts.

Application

  • Switchgear and Control Gear
  • Transport
  • Protection :circuit breakers
  • Transmission :relays
  • Industrial controls :contactors
  • Power :contactors

Metalor's production tooling enables us to offer a wide variety of contact assemblies and supports. Supports can be complex, comprising several components such as arc runners and braid etc.

Available forms

Silver alloy contacts

  • All shapes :cylindrical, square, rectangular, flat and radiussed.
  • All areas from 9- 50mm2

Supports :Materials and Shapes

  • Material :Copper, brass, bronze, steel, copper plated steel.
  • Machined or stamped supports
  • Arc runners and braids...

Surface finishes

  • Silver plating :partial or all over
  • Nickel plating :partial or all over
  • Tin plating :partial or all over

Turned parts

Stamped and tapped supports

Complex pressings

Complex pressings

Example

Application

Circuit Breakers: fixed and moving contacts are generally asymmetrical as regards the nature and composition of the contacts.

Contact surface

Welding quality

Material

Fixed contact

9 to 50 mm2

> 80 %

AgC ET
AgC ED
AgC U
AgZnO

Moving contact

9 to 50 mm2

> 80 %

AgNi E
AgNi U
AgW, AgWC
AgSnO2

Contactors: fixed and moving contacts are generally symmetrical as regards the nature and composition of the contacts

Contact surface

Welding quality

Material

Fixed contact or Moving contact

12 to 50 mm2
12 to 50 mm2

> 80%

AgCdO
AgSnO2
AgNi

Production means

 
 
 
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