Technical Resources

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

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501/453 UNIVERSAL Hazardous Area Cable Gland

Flameproof Exd & Increased Safety Exe & Restricted Breathing ExnR 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.
For particular use with Cables that exhibit ‘Cold Flow’ characteristics.
See technical section for installation rules and regulations.

Cable Gland Selection Table

Size Ref.	Entry Thread Size		Cable Acceptance Details						'G'	Hexagon Dimensions
	Metric	NPT * Standard or Option	Inner Sheath 'A'		Outer Sheath 'B'		Armour / Braid 'C'			Across Flat	Across Corners
	Metric	NPT * Standard or Option	Min.	Max.	Min.	Max.	Orientation 1	Orientation 2		Across Flat	Across Corners
Os	M20²	½"	3.5	8.1	5.5	12.0	0.8 / 1.25	0.0 / 0.8	61.6	24.0	26.5
O	M20²	½"	6.5	11.4	9.5	16.0	0.8 / 1.25	0.0 / 0.8	61.6	24.0	26.5
A	M20	¾" or ½"	8.4	14.3	12.5	20.5	0.8 / 1.25	0.0 / 0.8	63.0	30.0	32.5
B	M25	1" or ¾"	11.1	19.7	16.9	26.0	1.25 / 1.6	0.0 / 0.7	69.9	36.0	39.5
C	M32	1¼" or 1"	17.6	26.5	22.0	33.0	1.6 / 2.0	0.0 / 0.7	73.2	46.0	50.5
C2	M40	1½" or 1¼"	23.1	32.5	28.0	41.0	1.6 / 2.0	0.0 / 0.7	77.9	55.0	60.6
D	M50	2" or 1½"	28.9	44.4 / 42.3¹	36.0	52.6	1.8 / 2.5	0.0 / 1.0	93.5	65.0	70.8
E	M63	2½" or 2"	39.9	56.3 / 54.3¹	46.0	65.3	1.8 / 2.5	0.0 / 1.0	94.0	80.0	88.0
F	M75	3" or 2½"	50.5	68.2 / 65.3¹	57.0	78.0	1.8 / 2.5	0.0 / 1.0	103.0	95.0	104.0
G	M80	3½"	67.0	73.0	75.0	89.5	2.0 / 3.5	0.0 / 1.0	90.6	106.4	115.0
H	M90	3½"	67.0	77.6	75.0	89.5	2.0 / 3.5	0.0 / 1.0	90.6	115.0	130.0
J	M100	4"	75.0	91.6	88.0	104.5	2.5 / 4.0	0.0 / 1.0	90.6	127.0	142.0

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 and Restricted Breathing ExnR II 3G.
Certificate No’s: For sizes Os to F: Baseefa06ATEX0057X and IECEx BAS 06.0014X. For sizes G to J: 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 60079-15, 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.
Operating Temperature Range: -60°C to +80°C.
Assembly Instruction Sheet: AI 300 (Sizes Os to F) and AI 303 (Sizes G to J).
Alternative certifi cation options available:

Features

Provides armour clamping using one clamping arrangement for all armour / braid types.
Provides a diaphragm seal on inner sheath of cable which will not damage cables that exhibit ‘Cold Flow’ characteristics.
Provides an outer deluge seal to prevent moisture ingress to the cable armour / braid.
Provides a cable retention and low smoke and fume, zero halogen seal onto the cables outer sheath.
Manufactured in Brass (standard), Nickel Plated Brass, 316 Stainless Steel or Aluminium.
Brass NPT entries are nickel plated as standard.