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Remarkable New Products to Prevent Industrial Disaster

Registration of Design : No. 124138
Trade Mark : No. 247963
Patent Pending : No. 14014

▶ SPECIFICATION

TYPE :	ROCKY-300 , ROCKY - 500
REGULAR VOLTAGE :	220 ~ 440 V
REGULAR FREQUENCY :	50 ~ 60 Hz
APPLICABLE UNLOAD VOLTAGE :	BELOW 15V
REGULAR FIRST CURRENT :	130 / 220A
REGULAR OUTPUT CURRENT :	300 / 500A
REGULAR USAGE RATE :	OVER 90%
START SENSITIVITY :	300 ~ 500
REGULAR CAPACITY :	15/20/30/40/50KVA
DIMENSION :	147 X 270 X 78mm
WEIGHT :	3.2Kg

▶ WHAT'S ELECTRIC SHOCK PREVENTION DEVICE?
Primary of Electric Power. This shock Prevention device controls the circuit of alternating current ARC welding machine, and secondary to the safety voltage as closing main circuiton not welding.

▶ FEATURES
Removal of inrush current plow
Exact operation by using tig, mag.
High safety by insulated SCR-CONDUCTOR Element.
Past start and semi-permanent life
Waterproof and explosion proof aluminium die casting case.
Maintaining stable unload safety voltage (below 54V) under high voltage alternation
Excellent function approved by public corporation of industrial safety control
Free voltage from 220V to 440V

▶ EFFECTS
Energy saving 20~40%
This device can save electricity by only supplying necessary current volume on welding and reducing unload current volume to a tenth.

Prevention of disaster
In case that automatic electric prevention device is not installed, high voltage(85~95V) flows on secondary of alternating-current ARC.
Welding machine, but after fixing this device to the welding machine, worker is free from electric shock as keeping safety voltage below 15V and returning to safety voltage when welding is over.

Life extention of welding machine and power distributor
As no heat on unload and inrush current flow is not generated by this device, life of the welding machine and the power distributor is extended accordingly.

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