Serviceline Industrial Sensors
Serviceline Explosion Protection

Cable Glands, Metal, for non-armored Cables CG.NA.M20.BN.C.16.K50

  • For cables without armor
  • Brass nickel-plated
  • Thread M20
  • Seal chloroprene
  • 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: 50 pieces, without 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 or Pepperl+Fuchs AG, also apply to Pepperl+Fuchs SE.

Download the complete datasheet as a PDF:

Datasheet excerpt: Technical data of  CG.NA.M20.BN.C.16.K50

Mechanical specifications
Cable typenon-armored cables
Clamping range (D)10 ... 16 mm
Seal combination S114.5 ... 16 mm
Seal combination S1+S212 ... 14.5 mm
Seal combination S1+S2+S310 ... 12 mm
Thread typemetric ISO pitch 1.5 mm
Thread size (TD)M20
Degree of protectionIP66 / IP68 , UL Type 4X
Finishinherent color silver
Cable glandbrass, nickel-plated
Washer gasketaramid fibers bonded with NBR
Seal insertchloroprene
Individual componentapprox. 65 g
Packing unitapprox. 3.58 kg
Width across corners (D2)31 mm
Diameter thru-hole (DT)20 ... 20.2 mm
Length outside enclosure (H)32 mm
Width across flats (SW1)28 mm
Width across flats (SW2)28 mm
Thread length (TL)16 mm
Total length (L)48 mm
Tightening torque
Nut torque at enclosure (SW1)6 Nm
Nut torque 2 with seal S1 (SW2)18 Nm
Nut torque 2 with seals S1+S2 (SW2)20 Nm
Nut torque 2 with seals S1+S2+S3 (SW2)22 Nm
Ambient conditions
Ambient temperature-40 ... 80 °C (-40 ... 176 °F) washer gasket -40 ... 80 °C (-40 ... 176 °F)
Data for application in connection with hazardous areas
EU-type examination certificateIMQ 14 ATEX 012X
MarkingEx-Hexagon II 2 GD
Ex db IIC Gb
Ex eb IIC Gb
Ex tb IIIC Db
International approvals
UL approval
cULusE490324 tested to UL 514B
E490962 tested to UL 2225
CSA approvalCSA 60079-7 , CSA 60079-31
IECEx approvalIECEx IMQ 14.0004X
INMETRO approvalDNV 20.0029 X
EAC approvalTC RU C-TR.GB05.B.00918
Degree of protectionEN 60529
General information
Delivery quantity50
Scope of deliveryCable glands
brief instructions (1 copy)
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
Sealing plugsBP.NA.M20-M25S.PA

Documents: CG.NA.M20.BN.C.16.K50

Short instructions, safety informationLanguageFile TypeFile Size
Brief Instructions Cable Glands Series CG.NA.*/CG.EM.*ENGPDF2826 KB
Kurzanleitung Kabelverschraubungen Serien CG.NA.*/CG.EM.*GERPDF2830 KB

Approvals+Certificates: CG.NA.M20.BN.C.16.K50

Statements of complianceCertificate No.File TypeFile Size
EU-Declaration of Conformity / EU-KonformitätserklärungDOC-1897BPDF101 KB
Brasil DNV GL BrasilDNV 20.0029 XPDF444 KB
Europe IMQ ATEX Category 2 D ATEX Category 2 GIMQ 14 ATEX 012 XPDF2921 KB
IMQ IECEx Certificate of ConformityIECEx IMQ 14.0004XLINK---
UL ULE490324LINK---
UL cULE490962LINK---

Associated Products: CG.NA.M20.BN.C.16.K50

Matching system components
For thread M20, Packaging unit: 100 piecespa
Sealing element for installation of cable glands in enclosures, Accessory for CG.NA.* size M20 ... M25S / NPT1/2" ... NPT3/4" cable glands metal, Accessory for CG.EM.* size M25 / NPT3/4" cable glands metal, Polyamide, Ex e and Ex tb certified, Suitable for operation in Zone 1, Zone 2, Zone 21 and Zone 22, Packaging unit: 25 pieces, without accessoriespa
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