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Miller’s own MigMatic 300iP synergic pulsed MIG/MAG systems feature heavy-duty drive mechanisms capable of consistent and precise wire feeding regardless of the welder’s choice of wire. The pulse MIG/MAG welding capability makes these systems ideal for aluminium applications and for thin plate mild and stainless-steel welding. The user interface is extremely easy to use and never has it been so quick and straightforward to achieve excellent welding performances.
Features
Specifications
Input power: 400 V, 3 phase, 50/60 Hz
Welding output: 300 A, 29 V @ 40% duty cycle
Max. output amperage: 330 A
Output range: 15 A – 300 A
Net weight: 57Kg
Miller User Manual
Miller True Blue 3 Year Parts and Labour Warranty
Straight answers to the questions people ask most when choosing a three-phase MIG welder for workshop and production use.
Three-phase machines suit fabrication shops, production lines, engineering workshops and anyone welding thicker material or for long periods. A three-phase supply carries more power for a given current per phase, so these machines can give higher output with a steadier load on the supply.If you only have a single-phase supply, you are limited to single-phase machines.
In practice, very little. Older documents and some machine labels refer to 415v, while the current nominal figure for a UK three-phase supply is usually given as 400v. Machines are normally designed to work within a tolerance either side of their rated input, but the allowed range depends on the maker and the model.Check the data plate and the manual for the supply the machine accepts, compare that with the measured supply at your site, and ask a qualified electrician if you are unsure.
Yes, it needs a three-phase connection with the correct cable size and protection for the machine's input current, installed by a competent electrician. The manual states the recommended supply cable and fuse or breaker rating.Do not connect a machine to a circuit that has not been checked for the load. Poor supply causes tripping, overheating and unreliable welding.
Duty cycle is the proportion of a ten-minute period the machine can weld at a given current before it must cool. A higher duty cycle at your working current means fewer interruptions on long welds.If you weld continuously at high current, look at the rating at that current rather than the headline maximum.
