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TRANSISTOR WELDING POWER SUPPLY MDA-8000B/ MDA-4000B/ MDA-1000B (STANDARD TYPE), MDB-4000B / MDB-2000B (POLARITY SWITCHABLE TYPE), MDC-2000B (2-CHANNEL SWITCHABLE TYPE)
Clean micro welding with short welding time

Fast welding current rise
Since the welding current rise is 4.5 times faster than for previous welders, it is even possible to weld
micro work piece with high quality in a short period of time.
No welding transformer needed
The welding current is directly controlled with fast switching by transistor, so no welding transformer is required.
Built-in pre-check function
By applying check current before the main current, it is possible to judge whether or not there is work piece and to evaluate its status.
Three control types to select from
You can select three control types - "constant current", "constant voltage", and "constant voltage and constant current" - to match the work piece.
Polarity switchable type
This can eliminate the Peltier effect (polarity effect) and provide uniform nugget diameter for series welding.
2-channel type
This type (MDC-2000B) can provide cost reduction and space saving for time difference welding.

MDA-4000A_MDA-8000A
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