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747 | Recessed Stopper Plug Available in brass, nickel plated brass, aluminium, stainless steel & nylon

Recessed Stopper Plug, Globally Approved, Explosive Atmosphere Cable / Conduit Accessory

• Provides means of blanking unused cable entries
• Temporary or permanent
• Tamper-proof (Type B) version available
• General purpose / industrial version 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 or cCSAus certified)

Please note: 747 Stopper Plugs have passed IP66 compliance tests to IEC 60529 with no additional sealing. However CMP would recommend the addition of thread sealant or grease (such as Dow Corning No. 4 Silicone) in order to help maintain IP66 and keep water out of the enclosure in the long-term. The addition of thread sealant or grease is permitted as long as it is non-setting, non-metallic and non-combustible in compliance with IEC 60079-14.

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.


Design Specification BS 6121:Part 1:1989, IEC 62444, EN 62444
Enclosure Protection IK10 to IEC 62262 (20 joules) Brass & Stainless Steel Only
ATEX Certificate CML 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 Standards EN 60079-0,1,7, 31
IECEx Certificate IECEx CML 18.0177X, IECEx SIM 15.0002X
Code of Protection Ex db I Mb, Ex eb I Mb; Ex db IIC Gb,Ex eb IIC Gb, Ex ta IIIC Da
Compliance Standards IEC 60079-0,1, 7, 31
cCSAus Certificate 1055233
Code of Protection Class I, Groups A, B, C and D; IP66, 67, 68, Enclosure Type 4X; Class II Groups E, F and G;
Class III
Ex de II, Class I, Zone 1, AEx de II;
Compliance Standards C22.2 No. 0, 0.5, 30,94,CAN/CSA E60079-0, 1, 7, UL50 Edition 11, UL1203 Edition 4,
UL 60079-0, 1, 7
UL Certificate E214221 (Metallic versions only)
Code of Protection Class I, Groups A,B,C,D; Class II Groups E,F,G; Class III
Compliance Standards UL 1203
EAC Certificate (Formerly GOST R, K & B) TC RU C-GB.AA87.B.00487
GOST R Certificate POCC.GB.HA46.H00140
KCC Certificate 14-GA4BO-0247X
CCOE / PESO (India) Certificate P444949
NEPSI Certificate GYJ18.1255X
INMETRO Certificate TÜV 12.1333X
RETIE Approval 03866
UkrSEPRO CU 19.0372X
Marine Approvals LRS: 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
Available Materials Brass, Electroless Nickel Plated Brass, Aluminium, Stainless Steel, Nylon

** When CMP installation accessories are used. Refer to Maintaining a Seal for further information.


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Product Selection Table

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Technical Illustration

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Ordering ReferenceThread SizeMinimum Thread LengthAllen Key Size A/F
747DAM1M16 X 1.50.59M8
747DAM2M20 X 1.50.59M10
747DAM3M25 X 1.50.59M10
747DAM4M32 X 1.50.59M10
747DAM5M40 X 1.50.59M10
747DAM6M50 X 1.50.59M10
747DAM7M63 X 1.50.59M14
747DAM8M75 X 1.50.59M14
747DAM9M90 X 2.00.94M14
747DAM10M100 x 2.00.94M14
Dimensions displayed in millimeters unless otherwise stated
Ordering ReferenceThread SizeMinimum Thread LengthAllen Key Size A/F
747DAM1M16 X 1.515.0M8
747DAM2M20 X 1.515.0M10
747DAM3M25 X 1.515.0M10
747DAM4M32 X 1.515.0M10
747DAM5M40 X 1.515.0M10
747DAM6M50 X 1.515.0M10
747DAM7M63 X 1.515.0M14
747DAM8M75 X 1.515.0M14
747DAM9M90 X 2.024.0M14
747DAM10M100 x 2.024.0M14
Dimensions displayed in millimeters unless otherwise stated