Introduction

ZX7-400B1 is another inverter DC arc welding machine under “Huayuan Welder”brand. It’s digital controlled with small size, light weight and wide voltage adaptability, very suitable for site operating.

Application

Suit for working with acid / basic electrode and stainless electrode 

Widely used in steel structure, hardware manufacturing, machinery repairing, construction and filed working

Suitable for field construction

Open circuit voltage upto 77V, more suitable for field working with lengthened welding cable

Super wide distribution voltage adaptability

Recommend working voltage is 380V±15%(323V～437V). But even work in 285V～445V voltage, this machine can still work well with Φ4.0mm electrode.

Short circuit protection function

Under short circuit between electrode and work-piece, the output current is still well controlled, which protects the machine components, with good reliability.

Other features

Intelligent cooling fan

When temperature is low, cooling fan rotate slow, when temperature is high, cooling fan rotate fast, which reduces the dust, improves cooling fan life and saves energy.

Over-heating protection function

When cooling outlet blocks, cooling fan abnormal, high ambient temperature, or over-loading, the over-heating indicator light on, and the welding machine output will be cut automatically

Current pre-set function

Welding current can be pre-set before welding, easy to use.

Good quality output terminal

Pure copper material output terminal, good connection, long working life.