SB 474 Cable Gland
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 in Brass (standard), Nickel PlatedBrass, 316 Stainless Steel or Aluminium.
Brass NPT entries are nickel plated as standard.
Technical Data
Flameproof Exd and Increased Safety Exe. 
II 2 GD
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.
Alternative certification options available:
Marine Approval. Certificate No.E-8003.
SB 474 Cable Gland
| CABLE GLAND SELECTION TABLE | ||||||||
|---|---|---|---|---|---|---|---|---|
| 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 |
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.
