*2TZ references a two-stage product.
A CNC machine connected to a Rotary phase converter should have its input power supply completely disconnected whenever the phase converter is not operating. This important safety feature is a must for all CNC applications operating from a rotary phase converter - no matter which make of converter you select. Electram TLC (Timed Line Contactor) features are included with all TZCNC phase converters. The TLC allows the phase converter to complete its starting cycle - before connecting the CNC machine to the converter supplied 3 phase power. This ensures that your voltage sensitive CNC equipment's cpu (computer) is not adversely affected as the output voltage of the converter develops from zero to rated voltage during the converter start cycle. As well, the TLC prevents single phase operation of the CNC machine in the event that the phase converter trips, or is shut off for any reason while the CNC machine is operating. Especially because CNC enabled converters are much larger than standard (non-CNC) converters, the use of Soft-start magnetic starters offers a significant advantage over across-the-line magnetic starters. The soft-start device generally reduces the converter's Locked Rotor Amperage (LRA) to a value that is less than the LRA of the CNC spindle motor operating with full starting torque. Low current, remarkable design, and outstanding quality make this product hard to overlook. And the most surprising feature of PhaseMAXX CNC enabled (TZCNC &
2TZCNC) phase converters ? - Complete as above,
yet priced lower than competitor's products that do not include Soft-start
magnetic starter, TLC, etc. See for yourself.
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