Welding machine NBC350 Heavy - NBC500 Heavy

Installation Precautions
＞Input voltage: AC3~380V±10%, 50/60Hz
＞Input cable: 10mm², length≤5m
＞Distribution switch: 63-100A
＞Output cable: 70mm², length≤30m, welding torch length≤5m
＞Ambient temperature: -10℃~+40℃
＞Using environment: the air inlet and outlet can not be blocked, no direct sunlight exposure, pay attention to dust
＞Cylinder installation: fixed firmly, avoid collision, place in a cool place, do not expose to the sun

Features of Welding machine NBC350 Heavy - NBC500 Heavy

＞Soft-switch lGBT inverter technology, small welding spatter, beautiful welding seam

＞Perfect undervoltage, overvoltage and current protection, safe and reliable

＞Classic analog large board technology, good welding performance and high reliability

＞High duty cycle, especially suitable for long-term operation in harsh environment

＞Constant voltage/constant current output characteristics, MIG/CO2 welding, one machine for multiple purposes

＞With arc-stop working mode, greatly reducing the operation intensity

＞Optional extension control cable, suitable for welding work in narrow and high places

＞Humanized, beautiful appearance design, more convenient operation

＞Three-proof design of key components, suitable for various harsh environments, stable and reliable operation

Product parameters of Welding machine NBC350 Heavy - NBC500 Heavy

Product Type	NBC-500K Heavy	NBC-630K Heavy
Input Power Source	Three-phase 380V	Three-phase 380V
Rated Input Capacity	28.7KVA	39.8KVA
Inverting Frequency	20KHZ	20KHZ
No-Load Voltage	72V	78V
Duly Cycle	80%	60%
Voltage Range	14-50V	14-50V
Electrode Diameter	1.0-1.6mm	1.0-1.6mm
Electrode Diameter	2.5-5.0mm	2.5-6.0mm
Carbon Rod Diameter	-	6.0-10.0mm
Efficiency	80%	80%
Insulation Class	Class F	Class F
Dimensions	650X335X575mm	650X335X575mm
Weight	40.5KG	42KG

Welding machine external connection diagram