Entry Thread Size(M)  Thread Length(?)-Min  Cable Dia    
Hexagon DimensionsWeight (g)Length (L)
Part No.MetricNPTOptionMetricNPTOptionAB
OS-A2F-UH 20M201/2"151511 ~ 154.5 ~ 8H32 x P3412548
OS-A2F-UH 20M2504-Mar1"15161811 ~ 16.54.5 ~ 8H32 x P3411048
Design SpecificationBS 6121, IEC 62444, EN 50262
Compliance StandardIEC/EN 60079-0, 1, 7, 31
ATEX CertificationPresafe 17 ATEX 11486X
IECEx CertificationIECEx PRE 17.0083X
Code of ProtectionII2G Ex eb IIC Gb, II2D Ex tb IIIC Db
Operating Temperature-60°C ~121˚C
RegulationZone 1,2 & 21,22, Gas Group IIA, IIB, IIC, Dust Group IIIA, IIIB, IIIC
Ingress ProtectionIP66
Applicable Cable SpecificationHeating cable
Gland MaterialNickel plated brass(standard), Brass(only), Stainless steel(316L)
Gasket (washer)Nylon(Standard), PTFE-Teflon(Option)
PackingSilicone
Accessories (optional)Lock nut, Sealing washer, Earth tag