Navigation Menu
BACK TO PRODUCT
OTC XD-350SII
OTC MIG MAG Welding Machine OTC DAIHEN

OTC XD-350SII

Microcomputer thyristor control type CO2 / MAG automatic welding machine Excellent workability & boasts robustness Ultimate new basic model

Product Specification

OTC XD-350SII

Microcomputer-Controlled Thyristor CO₂/MAG Welding Machine

Product Description

The OTC XD-350SII is a robust 350A industrial welding machine that combines the proven durability of thyristor-controlled technology with advanced microcomputer-based digital precision. It features an Instantaneous Arc Start function and One-Knob Synergic Control, allowing operators to achieve high-quality, stable welds from low to high current ranges. Designed for efficiency and reliability, it is an ideal solution for automotive, construction, and general metal fabrication industries.

Technical Specifications

  • • Rated Input Voltage: 3-Phase 380V (±10%)
  • • Rated Output: 350A / 36V
  • • Output Current Range: 50–350A
  • • Rated Duty Cycle: 50%
  • • Dimensions (WxDxH): 362 x 627 x 723 mm
  • • Weight: 114–121 kg

Key Features & Benefits

  • • Microcomputer Control: Superior arc startability and software-driven arc characteristics.
  • • One-Knob Synergic Control: Automatic voltage matching based on current setting.
  • • Penetration Control: Maintains constant weld penetration even when torch distance varies.
  • • Integrated Feeder: Combined wire feeder and remote control for operational convenience.
  • • Eco-Friendly: Features power-saving circuits and automatic fan-stop function.
  • • Rugged Design: Drip-proof front panel protection for harsh industrial environments.
SHOP NOW

Related Products

High quality industrial products for welding, robotic automation, and manufacturing solutions.

OTC ACCUTIG 500P

OTC ACCUTIG 500P

AC/DC TIG welding machines with thyristor control, 7 welding modes, and up to 500A ou...
Read More
OTC DA-300P

OTC DA-300P

Digital AC/DC TIG welder with pulse control, ideal for aluminum, stainless, and mild...
Read More
OTC A-70

OTC A-70

Air plasma cutting machines with 70A current and up to 35mm cutting capacity, perfect...
Read More
OTC DCT-35

OTC DCT-35

Digital air plasma cutter with robust performance, ideal for on-site metal cutting ta...
Read More
OTC DCT-60

OTC DCT-60

Digital air plasma cutter with powerful 60A output, suitable for cutting thick steel...
Read More
OTC FD-VC4

OTC FD-VC4

4 kg payload collaborative welding cobot, 37 kg lightweight, ISO‑compliant safety, hi...
Read More
OTC FD-VC4L

OTC FD-VC4L

cobot with 1,317 mm reach and ±0.02 mm accuracy, ideal for safe, precise, and flexibl...
Read More
OTC TOUCH SENSOR

OTC TOUCH SENSOR

touch sensors (FD‑WDS/WD‑H, FD‑QD) enable real‑time seam & deviation detection for ro...
Read More
OTC ARC SENSOR FD‑AR

OTC ARC SENSOR FD‑AR

performs real-time through-arc seam tracking, correcting weld path deviations on mid-...
Read More
OTC LASER SEARCH

OTC LASER SEARCH

detects weld joint position & gap pre-weld, boosting precision, speed, and integr...
Read More
OTC LASER TRACKING SENSOR FD‑QT / FD‑QTS

OTC LASER TRACKING SENSOR FD‑QT / FD‑QTS

dynamically tracks weld seams, adjusting torch position with ±0.4 mm precision at spe...
Read More
OTC LASER TRACKING SENSOR FD‑QF

OTC LASER TRACKING SENSOR FD‑QF

detects weld seam position & profile in 0.3 s with ±0.2 mm precision—stable even...
Read More
OTC DAIHEN 1-Axis positioner

OTC DAIHEN 1-Axis positioner

OTC Daihen 1-Axis positioners (250 – 1,000 kg payload) add synchronized rotational mo...
Read More
OTC Positioner 1PB250

OTC Positioner 1PB250

OTC DAIHEN 1PB250 is a 1-axis robot positioner for 250 kg loads. Fast, precise, and f...
Read More
OTC Positioner 1PB500

OTC Positioner 1PB500

The OTC 1PB500 is a robot-compatible 1-axis positioner for 500 kg loads. Precise, pow...
Read More
OTC Positioner 1PB1000

OTC Positioner 1PB1000

The OTC 1PB1000 is a heavy-duty 1-axis positioner built for 1,000 kg loads. Perfect f...
Read More
OTC Positioner 2PF300

OTC Positioner 2PF300

Boost your welding precision with the OTC 2PF300 dual-axis positioner. Compact, relia...
Read More
OTC Positioner 2PF500

OTC Positioner 2PF500

OTC 2PF500 dual-axis positioner handles up to 500 kg, delivering stable and precise w...
Read More
OTC Positioner 2PF1000

OTC Positioner 2PF1000

OTC 2PF1000 2-axis positioner supports up to 1,000 kg for heavy-duty robotic welding....
Read More
OTC Slider 1SB

OTC Slider 1SB

OTC DAIHEN 1SB is a belt-driven linear slider for light-duty robotic welding. Compact...
Read More
OTC Slider 1SR

OTC Slider 1SR

OTC DAIHEN 1SR is a rack-and-pinion linear slider with up to 500 kg payload and 10 m...
Read More
OTC Slider 1SR-P

OTC Slider 1SR-P

OTC DAIHEN 1SR-P is a high-precision linear slider with 1,000 kg capacity and ±0.05 m...
Read More
OTC WELBEE P402L

OTC WELBEE P402L

MIG/MAG inverter welder 30–400 A, DC/DC pulse & CBT‑EX low‑spatter mode, 400 V in...
Read More
OTC FD-V80

OTC FD-V80

is the perfect solution for businesses looking to enhance productivity, lower operati...
Read More
OTC FD-V6LS

OTC FD-V6LS

7-axis long-reach robot, 6 kg payload, 2 006 mm reach, ±0.08 mm repeatability—ideal f...
Read More
OTC FD-V166

OTC FD-V166

For Handling of heavy loads
Read More
OTC FD-V25 (S2)

OTC FD-V25 (S2)

Thanks to its increased payload, this mid-range handling robot is suitable for a wide...
Read More
OTC FD-H5

OTC FD-H5

Handling robot for small loads
Read More
OTC FD-B4S

OTC FD-B4S

7-axis high-speed robot
Read More
OTC FD11-V20S

OTC FD11-V20S

7-axis high-speed robot
Read More
OTC FD19-V210A

OTC FD19-V210A

210kg payload with A-trac system
Read More
OTC Welbee DPS II

OTC Welbee DPS II

Highly efficient thick plate welding
Read More
OTC WELBEE P322E

OTC WELBEE P322E

The uncomprimising entry into the professional
Read More
OTC WELBEE P452E

OTC WELBEE P452E

Highest performance for entry into the pro...
Read More
OTC WELBEE W400 AC-MIG

OTC WELBEE W400 AC-MIG

The high-light for high-quality AC/MIG welding
Read More
OTC WELBEE P502L

OTC WELBEE P502L

Highest performance for the welding of steel
Read More
OTC WELBEE P402E

OTC WELBEE P402E

The entry with high performance and unbeatable price
Read More
OTC WELBEE A350P

OTC WELBEE A350P

High Efficiency Aluminium Welding
Read More
OTC Cooling unit 5H/IF

OTC Cooling unit 5H/IF

Cooling unit 5H/IF (WB series)
Read More
OTC CPTX-I 500-2W MAG

OTC CPTX-I 500-2W MAG

500 A MAG/MIG synergic inverter welder, water‑cooled with trolley, 100% duty cycle—bu...
Read More
OTC TIG TORCH

OTC TIG TORCH

Simple and excellent Durable structure ... m Excellent operability as it is lightweig...
Read More
OTC Contact Tip | A-Tip (40L, 45L)

OTC Contact Tip | A-Tip (40L, 45L)

Standard Tip for CO2/MAG welding (normally-installed tip for Blue Torch Ⅱ)
Read More
OTC Contact Tip | MAG-Tip (40L, 45L)

OTC Contact Tip | MAG-Tip (40L, 45L)

MAG-tip has a further larger mass and largely-enhanced thermal capacity compared to T...
Read More
OTC Contact Tip | Long-Tip

OTC Contact Tip | Long-Tip

OTC Long‑Tip contact tip: .030–.062″ MIG tip, 45 mm long M6 thread, ideal for narrow...
Read More
OTC Orifice-Baffle

OTC Orifice-Baffle

350 A ceramic gas diffuser, ensures smooth laminar gas flow and prevents arc spatter...
Read More
OTC INSULATOR

OTC INSULATOR

Ceramic insulators for 350 A & 500 A OTC MIG torches. Ensure proper shielding gas...
Read More
OTC TIP BODY

OTC TIP BODY

OEM contact tip holders for OTC MIG torches (WT2000–5000), ensures secure electrical...
Read More
OTC LINER

OTC LINER

Flexible guide tube for stable wire feed.
Read More
OTC DIRECT PLUG

OTC DIRECT PLUG

Adapter, Adapter nut Power feed from wire feeder to power cable.
Read More
OTC CPVE-400

OTC CPVE-400

It is an advanced inverter welding machine designed for high productivity and ease of...
Read More