Technical Resources

We have gathered together a number of technical resources for use as reference on electrical projects.

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501/453 RAC Hazardous Area Cable Gland

Flameproof Exd & Increased Safety Exe Dual Certified ATEX / IECEx

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Application

  • Outdoor or indoor use.
  • For use with single wire armour ‘W’, wire braid ‘X’, steel tape armour ‘Z’, elastomer and plastic insulated cables.
  • See technical section for installation rules and regulations.
501/453 Gland Layout

Cable Gland Selection Table

Size Ref.Entry Thread SizeCable Acceptance Details'G'Hexagon Dimensions
MetricNPT * Standard or OptionInner Sheath 'A'Outer Sheath 'B'Armour / Braid 'C'Across FlatsAcross Corners
Standard SealAlternative Seal (S)
Min.Max.Min.Max.Min.Max.Orient. 1Orient. 2
OsM20²½"3.08.0--5.5120.8 / 1.250.0 / 0.852.024.026.5
OM20²½"6.511.9--9.5160.8 / 1.250.0 / 0.852.024.026.5
AM20¾" or ½"10.014.38.513.412.520.50.8 / 1.250.0 / 0.853.030.032.5
BM251" or ¾"12.520.29.515.416.9261.25 / 1.60.0 / 0.759.536.039.5
CM321¼" or 1"19.026.514.521.222331.6 / 2.00.0 / 0.764.046.050.5
C2M401½" or 1¼"25.032.5222828411.6 / 2.00.0 / 0.768.355.060.6
DM502" or 1½"31.544.4 / 42.3¹27.534.83652.61.8 / 2.50.0 / 1.079.065.070.8
EM632½" or 2"42.556.3 / 54.3¹39.046.5465.31.8 / 2.50.0 / 1.078.480.088.0
FM753" or 2½"54.568.2 / 65.3¹48.558.357.078.01.8 / 2.50.0 / 1.083.795.0104.0
GM803½"67.073.0--75.089.52.0 / 3.50.0 / 1.095.6106.4115.0
HM903½"67.077.6--75.089.52.0 / 3.50.0 / 1.095.6115.0130.0
JM1004"75.091.6--88.0104.52.5 / 4.00.0 / 1.095.6127.0142.0

All dimensions in millimetres (except * where dimensions are in inches). Os – F size metric entry threads are 1.5mm pitch as standard, 15mm length of thread. For G size glands and above, a 2mm pitch is supplied as standard, 20mm length of thread (1.5mm pitch with 15mm length of thread can be supplied) please specify when ordering. G size and above are available in the 501/453/RAC design style.

¹ Smaller value is applicable when selecting reduced NPT entry option
² Sizes Os and O are available with an M16 thread size. For O size with M16 thread, the maximum cable inner sheath diameter is 10.9mm

Technical Data

  • Flameproof Exd and Increased Safety Exe II 2 GD ExtD A21.
  • Certificate No’s: Baseefa06ATEX0056X and IECEx BAS 06.0013X.
  • Suitable for use in Zone 1, Zone 2, Zone 21, Zone 22 and in Gas Groups IIA, IIB and IIC.
  • Construction and Test Standards: IEC/EN 60079-0, IEC/EN 60079-1, IEC/EN 60079-7, IEC/EN 61241-0 and IEC/EN 61241-1.
  • Ingress Protection: IP66, IP67 and IP 68 (30 metres for 7 days) to IEC/EN 60529 and NEMA 4X.
  • Deluge Protection to DTS01 (Deluge Seal Optional).
  • Operating Temperature Range: -60°C to +80°C.
  • Assembly Instruction Sheet: AI 302.
  • Alternative certification options available:

Features

  • Provides armour clamping using one clamping arrangement for all armour / braid types.
  • Provides a seal on the cables inner sheath.
  • Provides a cable retention and low smoke and fume, zero halogen seal onto the cables outer sheath.
  • Deluge protection option available, contact Hawke Technical for details.
  • Manufactured in Brass (std), Nickel Plated Brass, 316 SSteel or Aluminium.
  • Brass NPT entries are nickel plated as standard.

Alternative certification options available

Attention: The internal data of table “75” is corrupted!

Steel Wire Armour / Braid / Tape

Size Ref.Steel Wire Armour / Braid / Tape
Orientation 1Orientation 2
B0.9 - 1.250.5 - 0.9
C1.2 - 1.60.6 - 1.2
C21.2 - 1.60.6 - 1.2
D1.45 - 1.81.0 - 1.45
E1.45 - 1.81.0 - 1.45
F1.45 - 1.81.0 - 1.45

Ordering Information

Format for ordering is as follows: Alternate Clamping Ring (S), add suffi x S to ordering information.

Cable Gland TypeSizeThread(OPTIONAL)Cable Gland TypeSizeThread(OPTIONAL)
501/453/RAC CM32AR501/453/RAC CM32S
501/453/RAC C1¼" NPTAR501/453/RAC C1¼" NPTS

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