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Technical Information
501/RCG Coupler
TECHNICAL DATA
Product Type:
501/RCG Coupler
Equipment Type:
Group II Hazardous Area
Ingress Protection:
IP66, IP67
Operating Temp:
-60°C to +60°C
Conductor Sizes:
0.75mm
Max Conductor Dia:
Ø5.50mm
INSTALLATION NOTES
1. WARNING: Do not connect or disconnect when Energised.
2. Product must be installed by a suitably trained and competent individual.
3. Internal earth provided through internal armour clamping arrangement.
For external earth provided through supplied earth tag.
SPECIAL CONDITIONS OF USE
1. Do not disconnect product when energised.
2. The socket grub screws shall be tighten and secured by thread locking
compound
3. When a coupler is tted with an adapter, a suitable cable gland shall be
tted
4. Product may not be left uncoupled in a hazardous areas
5. Product Ambients:
- For T6/T80°C applications, the upper ambient temperature shall not
exceed +60°C.
- For T5/T95°C applications, the upper ambient temperature shall not
exceed +50°C
TORQUE VALUES
All torque values below were generated on metallic mandrels. For cable, it is
recommended that the assembly instructions are followed.
Torque Figures N/m
Seal Size
Backnut Torque
Body
Size
4-pin
6-pin
Declaration of Conformity In Accordance With European Directive 2014/34/EU and UK Directive S.I. 2016/1107
Provisions of the Directive fulfilled by the Equipment:
Harmonised Standards used: EN 60079-0:2018, EN60079-7:2015+A1:2018, EN60079-31:2014
Notified Body for EU-Type Examination: CML B.V. 2776 Amsterdam, NLD
EU-type Examination Certificate: CML20ATEX3217
EU Notified Body for Production: 0598
Approved Body for UK-Type Examination: CML 2503 Chester, UK
UK-type Examination Certificate: CML21UKEX3073X
UK Notified Body for Production: 1180
www.ehawke.com
UK O ce
Sales: +44 (0) 161 830 6698
Oxford Street West,
Technical: +44 (0) 161 830 6697
Ashton-Under-Lyne,
Fax: +44 (0) 161 830 6648
Lancashire. OL7 0NA. UK
E-mail: sales@ehawke.com
- 6mm
2
2
Os
O
A
B
12
12
20
30
501/RCG COUPLER SELECTION TABLE
Cable Acceptance Details
Seal/Ring
Size
Inner
Outer
Sheath
Sheath
Min.
Max.
Os
8.1
5.5
O
11.4
9.5
A
14.3
12.5
O
11.4
9.5
A
14.3
12.5
B
19.7
16.9
II 2 GD Ex eb IIC T6/T5 Gb, Ex tb IIIC T80°C/95°C Db
ELECTRICAL SPECIFICATION:
Voltage Rating:
Ampage and T-Class:
Conductor Size
Other conductor sizes between the sizes of 0.75mm
If the conductor size is not stated in the table above, the max ampage is
restricted to the closest size rounded down.
2
E.g. 3mm
conductor size would be limited to 10A if used in a T6 classi cation.
CERTIFICATION DETAILS
II 2 GD Ex eb IIC T6/T5* Gb, Ex tb IIIC T80°C/95°C* Db
ATEX: CML 20ATEX3217X
1Ex e IIC T6/T5* Gb X, Ex tb IIIC T80°C/T90°C* Db X
EAC: RU C-GB.HA91.B.00207/21
*Temperature Class is dependent on the ampage applied and conductor size.
See table above for details.
Additional Approvals
UKCA: CML 21UKEX3073X
Steel Wire Armour/
Tape/Braid
Orientation 2
Max.
Orientation 1
12.0
0.8/1.25
16.0
0.8/1.25
20.5
0.8/1.25
16.0
0.8/1.25
20.5
0.8/1.25
26.0
1.25/1.6
On behalf of the aforementioned company, I declare that, on the date the equipment
accompanied by this declaration is placed on the market, the equipment conforms
with all technical and regulatory requirements of the listed directives.
300Vac; 212Vdc
T-Classes and Ampage
T6 +60°C
T5 +50°C
2
0.75mm
5A
5A
2
1.5mm
2.5mm
2
10A
10A
2
4mm
12A
18A
30A (4pin)
2
6mm
20A
25A (6pin)
IECEx: IECEx CML 20.0137X
Inmetro: IEx 21.0011X
Max Hexagon
Dimensions
Across
Across
Flats
Corners
0/0.8
24.0
26.5
0/0.8
24.0
26.5
0/0.8
30.0
32.5
0/0.8
24.0
26.5
0/0.8
30.0
32.5
0/0.7
36.0
39.5
Hawke International is a division of Hubbell Ltd.
Registered No. 669157 in England. Registered O ce:
Cannon Place, 78 Cannon Street, London EC4N 6AF.
A member of the Hubbell Group of Companies
AI 2046 - Issue D / Page 7 of 7
2
2
- 6mm
may be used.
A. Reid
Technical Manager
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