Ok the STK391-020 is the same as STK4274.

NOT STK392-110

kip
wrote in message
...
kip wrote:
STK392-110 is the same ,just drill out the mounting holes.....

It seems the STK392-110 has a 3 channel output stage, but the STK4274 has
only 2 channels.

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Met vriendelijke groet,

Maarten Bakker.