Fused combination switches from 32-800A and switch-disconnectors in six frame sizes from 45-1000A.

Units will accommodate BS88 and DIN fuselinks. Unique side operating versions are available for draw out motor control applications or for use where space is restricted.

The range complies with BSEN60947-3, VDE0660 and is both ASTA and
KEMA approved.

Each fused combination switch and switch-disconnector has been designed
to provide a high performance switch rating in both distribution (AC22) and motor control (AC23) applications.

Six compact frame sizes cover nominal ratings from 32 to 800A in double, triple and four pole configurations.

The exclusive use of Eaton MEM Fuselinks will extend the warranty
period to 3 years.

Steel components have a zinc plate and full chromate passivation finish to BS 1706-ZN3. Copper termination bars are silver plated.

The range of switches complies with BSEN60947-3, VDE0660 and has been ASTA certified to category of duty AC23.

Mechanism
The operator independent spring assisted mechanism ensures a positive and consistent switching action reducing arcing and contact wear.

Contacts
The double break, blade and clip wiping action contact system ensures reduced contact bounce and provides load breaking isolating contacts either side of the fuselink.

Fuselinks remain stationary providing a high level of mechanical reliability for the fuse and contact system. Long contact life is combined with high performance for both a.c. and d.c. supplies.

Contact Position Indication
Each operating handle positively indicates the position of the contacts. Complete fuse isolation is achieved in the ‘OFF’ position. Handles cannot be returned to ‘OFF’ if any contacts in any pole become welded.

A contact position indicator is fitted to each switch giving positive indication of contact position, this is clearly visible when the door is open.

Compact Size
The high performance contact system achieves maximum ratings for both distribution and motor control applications within a very compact size thus saving valuable panel space.

Handles and Shafts
Each switch is provided as standard with an IP54 black handle and steel operating shaft. For switches up to 400A handles are moulded, 800A and above are cast metal. Clear ‘ON’ (I) and ‘OFF’ (O) indication is provided and padlocks may be fitted in the ‘OFF’ position.

Door interlocking provided by the handle in the ‘ON’ position is defeatable by a competent person to enable access in emergencies and for maintenance purposes.

Operating shafts have flexible arrow-heads to aid handle alignment and panel depth adjustment.

Terminals
32-63A rated fuse-switches are fitted with box clamp terminals for copper cables (solid, stranded or flexible, prepared or unprepared) up to 25mm².

100A fuse-switches and above have silverplated copper terminals to accept cable or solid conductor connections.

32A fuse-switches have inherent terminal shrouds designed to prevent accidental finger contact. Additional polycarbonate terminal shrouds are available for all ratings and configurations.

Side Operating Versions
Triple pole ratings up to 160A are available as side operating versions. These are particularly suitable for draw out motor control applications or where narrow form enclosures may be required.

Mounting Positions
Switches may be mounted in the positions illustrated without need for derating.All switches are designed for base mounting.

Rating Labels
For convenience, a second rating label is supplied with each switch for separate mounting where visual access to technical data is impaired.

Neutrals
Neutrals (switched or solid) are situated next to the switch mechanism.
Units can be supplied with neutrals positioned at the furthest pole position
from the mechanism. Suffix order references /D1.

Test Switches
Triple pole switches up to 400A can be supplied with three positions; ‘ON’ - ‘OFF’ - ‘TEST’ where test auxiliaries only are operated at the third (‘TEST’) position. The additional auxiliaries are mounted on the mechanism side and are parallel wired to standard auxiliaries or used as required.

Black handles are supplied having three positions and switches are door interlocked in ‘TEST’ and ‘ON’ positions - defeatable by competent personnel.

Auxiliaries are supplied separately for mounting on ‘TEST’ and ‘STANDARD’ positions up to the maximum indicated. Mounting packs are required for auxiliaries.

Operating Sequence

Internal Enclosure Dimensions
These enclosure dimensions are for guidance only as recommended minimum inside enclosure dimensions for temperature rise considerations.

NOTE: Larger dimensions may be necessary for the bending and termination of cables, copper, etc.