Introduction, Specifications | Miller Electric XMT 350 CC/CV

SECTION 3 − INTRODUCTION

3-1.

Specifications

Max.

RMS Amps Input at Rated Load Output,

Amperage

60 Hz 3-Phase at NEMA Load Voltages

Input

Voltage

Open-

and Class I Rating

Range in

Circuit

Power

Rated Output

Range in CV Mode

CC Mode

Voltage

208 V

230 V

400 V

460 V

575 V

KVA

3-Phase

350 A at 34

10−38 V

5−425 A

75 VDC

40.4

36.1

20.6

17.8

14.1

14.2

13.6

VDC, 60%

Duty Cycle

1-Phase

300 A at 32

60.8

54.6

29.7

25.4

19.9

11.7

11.2

VDC, 60%

Duty Cycle*

*See Section 3-3for Duty Cycle Rating.

3-2. Volt-Ampere Curves

A. CC Mode

	100
	90
	80
	70
VOLTS	60
VOLTS	50						MAX	MAX
							SMAW	GTAW
	40
	30		GTAW	SMAW
			GTAW	80A
			MN	80A
	20		MN	0%	ARC
	20			0%	ARC
	10			25%	CONTROL
	10				50%
					50%
	0				75%100%
	0	0		100	200	300	400	500

AMPERAGE

B. CV Mode

	100
	90
	80
	70
VOLTS	60
	50
	40			MAX
				MAX

	30
	20
	10			MIN
	10
	00	100	200	300	400	5 00
			AMPERAGE

Volt-ampere curves show minimum and maximum voltage and amper- age output capabilities of welding power source. Curves of other set- tings fall between curves shown.

217 836-A / 217 837-B

OM-2247 Page 11

XMT 350 CC/CV specifications

The Miller Electric XMT 350 CC/CV is a versatile welding power source designed to meet the demands of various welding applications. Known for its robust performance and advanced features, the XMT 350 is a favorite among professional welders and contractors.

One of the standout features of the XMT 350 is its dual voltage capability, allowing for operation on both standard 230V and 460V power sources. This flexibility makes it an ideal choice for a wide range of job sites and ensures compatibility with various input power situations. The XMT 350 also offers Constant Current (CC) and Constant Voltage (CV) modes, making it suitable for stick, TIG, and MIG welding processes.

Another remarkable characteristic of the XMT 350 is its lightweight and compact design. Weighing only 66 pounds, this welding machine is easy to transport, making it a great option for fieldwork. The durable construction ensures that it can withstand the rigors of job sites while providing reliable performance over time.

The XMT 350 incorporates Miller’s Auto-Set technology, which simplifies the setup process for the user. By automatically adjusting the output parameters based on the material and thickness being welded, Auto-Set helps to optimize welding performance while reducing guesswork. This innovation is particularly beneficial for those who may be less experienced or those looking to improve their efficiency.

Moreover, the XMT 350 features an advanced software system that enhances the machine's performance. The built-in Digital Meter provides accurate readings of voltage and amperage, allowing welders to make precise adjustments for optimal results. This capability is especially valuable for achieving high-quality welds in various materials and thicknesses.

The XMT 350 is also equipped with a number of safety features, including a Thermal Overload Protection system, which prevents overheating by cutting power to the machine when it gets too hot. This ensures the longevity of the unit and protects welders from potential hazards during operation.

In conclusion, the Miller Electric XMT 350 CC/CV is a powerful, versatile, and user-friendly welding machine that caters to various welding applications. Its advanced technologies, including Auto-Set, dual voltage capability, and safety features, make it a reliable choice for both experienced welders and those just starting in the field. With the XMT 350, welders can expect exceptional performance and results across diverse welding tasks.