Positive pressure explosion-proof distribution box (up-down structure) Application scope:
●Suitable for Zones 1 and 2, based on the frequency and duration of explosive gas environments.
●In compliance with the safety gap or minimum ignition current ratio applicable to explosive gases in electrical equipment locations, suitable for II A, II B, and II C categories, and according to their high surface temperatures, applicable to T1-T5.
●Division according to explosive dust hazardous areas applies to Zones 20, 21, and 22.
●Suitable for environments containing flammable and explosive gases, such as oil extraction and refining, storage, chemical industry, and hazardous chemical warehouse industrial facilities.
Positive pressure explosion-proof distribution box (up-down structure) product features:
●The main and auxiliary cabinets are available in vertical and horizontal combinations. The main cabinet features a positive pressure sealed chamber, with doors on both sides, and an observation window on the front. The auxiliary cabinet primarily houses the positive pressure air control system.
●Features include automatic air exchange before startup, air exchange delay, automatic gas replenishment, and automatic control of positive pressure range.
●Operation is simple and convenient; upon completion of ventilation, the system enters a positive pressure operation state.
●Positive pressure protection (upper and lower limits), audio-visual alarm, automatic power shutdown below positive pressure critical lower limit, power cutoff upon door opening. Emergency manual power cutoff and other safety interlock protection functions.
●Cable Clamp Type Infeed Device
●The product can internally install various instruments, inverters, PLCs, soft starters, touchscreens, and computer control systems, enabling both local and remote control.