Serviceline Industrial Sensors
Serviceline Explosion Protection

Stopping Plugs, Metal, Hexagon Socket Head SP.MA.NPT1/2.BN.X.20.K01

  • Stopping plug for unused cable entries
  • Brass nickel-plated
  • Thread NPT 1/2''
  • Without head, installation by means of allen key
  • Ex db, Ex eb and Ex tb certified
  • 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
  • Packaging unit: 1 piece, kit with accessories

Please note: All product-related documents, such as certificates, declarations of conformity, etc., which were issued prior to the conversion under the name Pepperl+Fuchs GmbH, also apply to Pepperl+Fuchs AG.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  SP.MA.NPT1/2.BN.X.20.K01

Mechanical specifications
Thread typeNPT ANSI ASME B1.20.1
Thread size (TD)NPT 1/2''
Degree of protectionIP66 / IP68 , UL Type 4X
Finishinherent color silver
Stopping plugbrass, nickel-plated
Individual componentapprox. 42 g
Packing unitapprox. 52 g
Diameter thru-hole (DT)21.4 ... 21.6 mm
Thread length (TL)20 mm
Total length (L)20 mm
Key size (KS)10 mm
Tightening torque
Nut torque at enclosure (SW1)8 Nm
Ambient conditions
Ambient temperature-60 ... 130 °C (-76 ... 266 °F)
Data for application in connection with hazardous areas
EU-type examination certificateCESI 15 ATEX 029 X
MarkingEx-Hexagon II 2 GD
Ex db IIC Gb
Ex eb IIC Gb
Ex tb IIIC Db
International approvals
UL approval
cULusE305142 tested to UL 50E and UL 508A
CSA approvalCSA C22.2, No. 14-13
IECEx approvalIECEx CES 15.0006X
Degree of protectionEN 60529
General information
Delivery quantity1
Scope of deliveryStopping Plugs, Metal
brief instructions
Supplementary informationEC-Type Examination Certificate, Statement of Conformity, Declaration of Conformity, Attestation of Conformity and instructions have to be observed where applicable. For information see

Documents: SP.MA.NPT1/2.BN.X.20.K01

Short instructions, safety informationLanguageFile TypeFile Size
Brief Instructions Stopping Plugs Metal SP.MA* and SP.MD*ENGPDF113 KB
Kurzanleitung Blindverschraubungen Metall SP.MA* und SP.MD*GERPDF120 KB

Approvals+Certificates: SP.MA.NPT1/2.BN.X.20.K01

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of conformity / EU-KonformitätserklärungDOC-2243APDF92 KB
CESI IECEx Certificate of ConformityIECEx CES 15.0006XLINK---
UL cULusE305142PDF241 KB
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