2.3.1. Ex Part

Table 2‑1 Specifications for Models

Item	Specification
Model	YP015A-28*1(Hi5a-P20)	YP015A-22*1(Hi5a-P20)
Rating	220Vac / (50/60)Hz
Type of protection	II 2 G Ex ib [ib] pxb IIB T4 Gb Ex ib [ib] pxb IIB T4 Gb
Pressurization	Leakage compensation
Enclosure Volume	225.3L	207.6L
Min. Purge flow rate	500 L/Min
Min. Purge duration	3 minutes
Protective Gas	Air
Normal flow rate	150 L/Min
Min. overpressure	0.2 kPa
Max. overpressure	10 kPa
Normal internal pressure	(1.6~2.0) kPa
Max. leakage rate	50 L/Min
Protective gas Temperature	Max. 40℃
ambient Temperature	0~40℃
Ambient Temperature for Purge Unit	0~60℃