Positive Pressure Type Explosion-Proof Distribution Box (Vertical Structure)

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.

● Suitable for explosion-proof gas mixtures in electrical equipment locations, conforms to safety gaps or low ignition current ratios for large tests, applicable to II A, II B, II C categories, and suitable for T1-T5 based on high surface temperatures.

● Designed for Division 20, 21, and 22 explosive dust hazardous areas.

●Suitable for environments containing flammable and explosive gases, such as oil exploration and refining, storage, chemical industry, and hazardous chemical warehouse industrial facilities.

Positive Pressure Type Explosion-Proof Distribution Box (Up-Down Structure) Product Features:

● The main and auxiliary cabinets come in two combinations: vertical and horizontal. The main cabinet features a positive pressure sealed chamber, with doors on both sides, and a viewing window on the front. The auxiliary cabinet is primarily used for housing the positive pressure air control system.

● Features pre-start automatic air exchange, air exchange delay, automatic gas replenishment, and automatic control of positive pressure range operation.

●Simple and convenient operation; ventilation ends and transitions to positive pressure operation mode.

● Positive pressure protection (upper and lower limits), with audio-visual alarms, automatic power-off below the critical lower limit of positive pressure, power-off upon door opening. Emergency manual power-off and other safety interlock protection features.

Cable Tightening Type Infeed Device

The product can internally accommodate various instruments, variable-frequency drives, PLCs, soft starters, touchscreens, and computer control systems, enabling both local and remote control.