321/R0 pages

321/R
Cable Glands

'G' Approx. (Compressed length)
Approx. (Compressed length)
pp
p
g

'T'

Hazardous Area

Application
The 321/R cable gland provides a seal and cable clamp on the
outer cable sheath and is intended for use on non-armoured
elastomer and plastic insulated cables. The cable gland certified
Exe and is suitable for installation in Zone 1 (21) and Zone 2 (22)
hazardous areas.

ø 'B'

Increased Safety, Dust Protection
Class - Zones - Divisions
Certified ATEX / IECEx / c CSA us

En ry T e d
Entry Thread
nt y Thread

Metric
Metric
Entry
Entry
y

CABLE GLAND SELECTION TABLE
AND
Cable Acceptance Details

Entry Thread Size
Size
Ref.

Metric

NPT *
Standard or
Option

Os
O
A
B
C
C2

M20¹
M20¹
M20
M25
M32
M40

½"
½"
¾" or ½"
1" or ¾"
1¼" or 1"
1½" or 1¼"

Hexagon Dimensions

Outer Sheath ‘B’
Standard Seal
Min.
3.2
6.5
10.0
13.0
19.5
25.0

Max.
8.0
11.9
14.3
20.2
26.5
32.5

‘G’

Across
Flats

Across
Corners

52.0
52.0
52.0
54.0
61.0
67.0

24.0
24.0
30.0
36.0
46.0
55.0

26.5
26.5
32.5
39.5
50.5
60.6

Alternative Seal (S)
Min.
9.0
9.5
15.5
22.0

Max.
13.4
15.4
21.2
28.0

'T' — Os - C2 size metric entry threads are 1.5mm pitch as standard, 15mm length of thread.
All dimensions in millimetres (except * where dimensions are in inches).

¹ Sizes Os and O are available with an M16 thread size. For O size with M16 thread, the maximum cable outer sheath diameter is 10.9mm

Technical Data
ATEX/IECEx
Increased Safety Exe IIC Gb and Dust Extb IIIC Db II 2 GD.
Certificate No’s: Baseefa06ATEX0059X and IECEx BAS 06.0016X.
Suitable for use in Zone 1, Zone 2, Zone 21, Zone 22.
Construction and Test Standards: IEC/EN 60079-0, IEC/EN
60079-7 and IEC/EN 60079-31.
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 +100°C.
Assembly Instruction Sheet: AI 452.

cCSAus
Increased Safety AExe IIC and Dust AExtD Zone 21.
Explosion-proof Class 1 Division 2, Class II Division 2 Groups
EFG, Class III.
Certificate No’s: CSA1205533 for Marine Shipboard Cable.
Construction and Test Standards: UL 60079-0, UL 60079-7, ISA
60079-31.
CSA 22.2 No: 60079-0, CSA 22.2 No: 60079-7, CSA 22.2 No:
60079-31, UL 2225

Features

• When used in Increased Safety applications, this cable gland
may be used with braided cable where the braid and the
outer sheath pass into the enclosure. The braid must then be
suitably terminated inside the enclosure.
Note: Braided cable is classed as unarmoured cable in the
EN/IEC 60079 series standards for Exe applications.

• Manufactured in Brass (standard), Nickel Plated Brass or
316 Stainless Steel.
• Brass NPT entries are nickel plated as standard.
• Cable clamp provides required clamp and cleat function

Ordering Information
Format for ordering is as follows:
Certification required i.e. ATEX / IECEx
Material & Finish i.e. Brass Nickel Plated
Alternative Seal (S), add suffix S to ordering information.
Cable Gland Type
321/R
321/R

Size
C
C

Thread
M32
1 1⁄4"NPT

(Optional)
S
S

Connection Solutions
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