Tweco 300 XT Auto-Cut 400V - Manual (Page 37)

AUTO-CUT 300 XT
Manual 0-5290 INSTALLATION 3-13
3.12 Height Control Connections
The terminal strip has Arc Volts (-) connection to power supply negative output TORCH terminal, Arc Volts
(+) connection to power supply positive output WORK terminal. These are for a height control that requires
connection to the full non-divided arc voltage. Also available on the terminal strip are 120VAC and 24 VAC.
Note that the two 0’s are not common. The allowable current draw is 100ma @ 120VAC and 1Amp @ 24 VAC.
Art # A-11905
TB4
24 VAC
@ 1A
TB4 1 2 3 4 5 6 7
120 VAC
@ 100 ma.
Work
Tip Volts
(Pilot)
Arc Volts
(Torch)
Art # A-11954
There are holes added in the rear panel for customer wiring. This, rather than the one in the CCM will be the
preferred place for customer added wiring (and strain relief) for connections to height controls, etc..