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757 | Hexagon Head Stopper Plug Available brass, nickel plated brass, aluminium, stainless steel & nylon

Hexagon Head Stopper Plug, Globally Approved, Explosive Atmosphere Cable / Conduit Accessory

• Provides means of blanking unused cable entries
• Temporary or permanent
• General purpose / industrial version available
• Equipment interface ‘O’ ring seal available
• Nylon Ex e only version available (-20°C to +60°C)
•-60°C to 200°C (metallic versions)
• Globally marked, IECEx, ATEX, cCSAus & UL

(EX e Nylon product not UL orcCSAus certified)

DescriptionAllen key recessMetallicNon-Metallic
Ex "d"Ex "e"IndustrialEx "e"Industrial
747 Recessed Non-Tamper Proof Type 'A'YYYYYY
747 Recessed Tamper Proof Type 'B'YYYYYY
757 Hexagon HeadNYYYYY
757 Hexagon Head c/w 'O' ring sealNYYYYY
767 Dome HeadYYYYYY
767 Dome Head c/w 'O' ring sealYYYYYY

e.g. 747 – D – A – M – 3 – 1
= Dual Certified Ex d & Ex e- Type A – M25 – Aluminium

For Tamper-Proof Type B Stopper Plugs please substitute the letter A with the letter B in the Ordering Reference list opposite.

Other Thread Variations are available on request.

For further information on ordering please contact a member of the CMP team.

Ex e Nylon product not UL or cCSAus certified.

To view technical information relating to explosive atmospheres click here.

Design SpecificationBS 6121:Part 1:1989, IEC 62444, EN 62444
Enclosure ProtectionIK10 to IEC 62262 (20 joules) Brass & Stainless Steel Only
ATEX CertificateCML 18ATEX1320X
Code of Protection II 2G Ex db IIC Gb, Ex eb IIC Gb, II 1D Ex ta IIIC Da
IM2 Ex db I Mb, Ex eb I Mb
(II 2G Ex eb IIC Gb, II 1D Ex ta IIIC Da only on Nylon version)
Compliance StandardsEN 60079-0,1,7, 31
IECEx CertificateIECEx CML 18.0177X, IECEx SIM 15.0002X
Code of ProtectionEx db I Mb, Ex eb I Mb; Ex db IIC Gb,Ex eb IIC Gb, Ex ta IIIC Da
Compliance StandardsIEC 60079-0,1, 7, 31
cCSAus Certificate1055233
Code of ProtectionEx e II, Class I, Zone 1, AEx e II; IP66, 67, 68; Enclosure Type 4X; Class II Groups E, F and G; Class III
Compliance StandardsC22.2 No. 0, 0.5, 30,94,CAN/CSA E60079-0, 1, 7, UL50 Edition 11, UL1203 Edition 4,
UL 60079-0, 1, 7
UL CertificateE214221(Metallic versions only)
Code of ProtectionClass I, Groups A,B,C,D; Class II Groups E,F,G; Class III
Compliance StandardsUL 1203
EAC CertificateTC RU C-GB.AA87.B.00487
GOST R CertificatePOCC.GB.35.H00102
KCC Certificate14-GA4BO-0255X
CCOE / PESO (India) CertificateP333688
NEPSI CertificateGYJ18.1255X
INMETRO ApprovalTÜV 12.1333X
RETIE Approval03866
Marine ApprovalsLRS: 01/00173, DNV: TAE00000Y, ABS: 17-LD1619350-PDA, BV: 43180/A1BV
Continuous Operating Temperature-60°C to +200°C (Metallic), -20°C to +60°C (Nylon)
Ingress Protection Rating **IP66 or IP68 when fitted with a CMP ‘O’ ring or Entry Thread Seal**
Available MaterialsBrass, Electroless Nickel Plated Brass, Aluminium, Stainless Steel, Nylon

Note: * Mechanical & Electrical Classifications applied as per IEC 62444 & EN 62444
** When CMP installation accessories are used. Refer to Maintaining a Seal for further information.
*** IP68 tested to a minimum depth of 30 metres for 12 hours, alternate depths / durations can be provided upon request


Click here to view Certificates

Product Selection Table

Click here to view Technical Illustration

Technical Illustration

Click here to view how to order

Ordering ReferenceThread SizeMinimum Thread LengthAcross Flats “A”Across Corners DiameterProtrusion Length “C”
757DM1M16 X 1.50.590.870.950.20
757DM2M20 X 1.50.590.941.040.20
757DM3M25 X 1.50.591.181.300.20
757DM4M32 X 1.50.591.421.560.20
757DM5M40 X 1.50.591.811.990.20
757DM6M50 X 1.50.592.172.380.20
757DM7M63 X 1.50.592.763.030.20
757DM8M75 X 1.50.593.153.460.20
757DM9M90 X 2.00.943.904.290.20
757DM10M100 x 2.00.944.254.680.20
Dimensions displayed in millimeters unless otherwise stated
Ordering ReferenceThread SizeMinimum Thread LengthAcross Flats “A”Across Corners DiameterProtrusion Length “C”
757DM1M16 X 1.515.
757DM2M20 X 1.515.
757DM3M25 X 1.515.
757DM4M32 X 1.515.
757DM5M40 X 1.515.
757DM6M50 X 1.515.
757DM7M63 X 1.515.
757DM8M75 X 1.515.
757DM9M90 X
757DM10M100 x 2.024.0108.0118.85.0
Dimensions displayed in millimeters unless otherwise stated