The SP.MD series comprises Ex db, Ex eb and Ex tb certified hexagon head stopping plugs for unused cable entries. Made from brass nickel plated or AISI 316 stainless steel. NPT versions available. Seal made from chloroprene or silicone.
Suitable for operation in Zone 1, Zone 2, Zone 21 and Zone 22
Suitable for operation in Class I, Zone 1/2/22
Suitable for operation in Class I, Division 2 when installed in accordance with NEC501.10(B)(2)
Degree of protection IP66 / IP68, UL Type 4X
The metal stopping plugs type SP.MD* are suitable for safely closing openings and holes for cable entries that are not used in enclosures certified according to type of protection Ex eb or Ex tb.
Metric versions can be used with Ex db enclosures, too.
Example: SP.MD.M20.BN.C.15.K01
Stopping plug, metal, hexagon head, thread size M20, body brass nickel-plated, chloropren O-ring for -40 °C ... 100 °C, installation thread length 15 mm, one piece