Hawke
Hazardous Area Cable Glands
SB/474
501/414 | 501/421| 501/423 | 501/453/RAC | 501/453/RAC/L | 501/453/Universal | CSB 656 | ICG 623
ICG 653/Universal | ICG 653/Universal/L | PSG 553/RAC | SB 474 | Oversize Cable Glands
Application
Outdoor or Indoor use.
For particular use with:-
a) Cables that are not effectively filled, compact and/or circular, have tape bedding or have hygroscopic fillers.
b) Cables that exhibit ‘cold flow’ characteristics.
c) Enclosures for gas group IIC, under 2 litres in volume and containing an ignition source.
d) Enclosures for gas groups IIA or IIB, which are greater than 2 litres in volume and contain an ignition source.
Features
Provides a barrier seal to the individual insulated cores within the cable and prevents entry of the products of an explosion into the cable.
The required number of holes for the cores are punched in the seal by means of a special tool to suit the core size.
Provides female running coupler for Cable Gland or conduit entry.
Materials & Finishes
The SB 474 Cable Gland is manufactured as standard in Brass, Stainless Steel and Aluminium.
NPT entries are nickel plated as standard.
Full nickel plating by electroplating or electroless plating is also available, as are other materials on request.
Technical Data
Flameproof Exd and Increased Safety Exe. 
II 2 GD
Baseefa Certificate No. BAS01ATEX2077X.
The above certificate is still current, however it is to be superseded by:
Baseefa Certificate No. Baseefa06ATEX0056X.
IECEx Certificate No. IECEx BAS 06.0013X.
Suitable for use in Zone 1, Zone 2, Zone 21 and Zone 22.
Suitable for use in Gas Groups IIA, IIB and IIC.
Construction and test standards EN 50014, EN 50018, EN 50019 and EN 50281-1-1. IEC 60079-0, IEC 60079-1 and IEC 60079-7.
IP66, IP67 and IP68 (30 metres for 7 days) ingress protection to IEC 60529 and EN 60529.
DTS01 deluge protection certified by ITS.
Operating temperature range -60°C to +80°C as standard.
| Cable Gland Selection | ||||||||
|---|---|---|---|---|---|---|---|---|
| Size Ref. |
Male Entry Thread Size |
Female Entry Thread Size |
‘G’ Compressed Length |
Hexagon Dimensions |
||||
| Metric | NPT * |
Metric | NPT # |
Across Flats |
Across Corners |
|||
| Standard | Option | |||||||
| A | M20 | ¾" | ½" | M20 | - | 63.9 | 30.0 | 34.6 |
| B | M25 | 1" | ¾" | M25 | - | 52.8 | 30.0 | 41.6 |
| C | M32 | 1¼" | 1" | M32 | - | 69.5 | 46.0 | 53.1 |
| All Metric entry threads are 1.5mm pitch medium fit. # NPT female thread sizes equivalent to those shown in the table for the male thread size are available. Hexagon dimensions as shown may alter. All dimensions in millimetres. (except*). |
||||||||
| Cable Gland Size for Core Size & Number | |||||
|---|---|---|---|---|---|
| Maximum No. Of Cores |
Cores Cross Sectional Area mm² | ||||
| 1.5 | 2.5 | 4.0 | 6.0 | 10.0 | |
| 7 | A & B | A & B | B & C | C | C |
| 4 | - | - | - | B | - |
| 3 | - | - | - | - | B |
| Punch Tool Size Details | |||
|---|---|---|---|
| Punch Ref. | No.1 | No.2 | No.3 |
| Core C.S.A. mm2 | 1.5 - 2.5 | 4.0 - 6.0 | 10.0 |
More Information
Cable Gland Ordering Examples
Type/Size/Thread
e.g. SB 474/C/M32
SB 474/C/1¼" NPT
Punch Tool Ordering Example
e.g. Punch Tool Number 1.
Hawke Cable Glands | Hawke Enclosures | Hawke EX Connectors | Hawke Adaptors & Reducers
Hawke Transformer Breathers | Hawke Accessories
Contact the Cable Systems Ltd sales office for further details and prices.
Tel: (01925) 852745
Fax: (01925) 820803
Email: sales@cablesystems.co.uk
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