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mkelectric.co.uk
CIRCUIT PROTECTION
578
Standards and approvals
All Sentry consumer units are designed to fully
comply with the requirements of
BS EN 61439-3.
TECHNICAL SPECIFICATION
ELECTRICAL
MAXIMUM CURRENT RATING
All Sentry consumer units have a maximum rating of
100A except K5504s, K5604s, which are rated at 63A
TERMINAL CAPACITY
16mm
2
earth and neutral
RATED FREQUENCY
50Hz
RATED OPERATIONAL VOLTAGE
Consumer unit:
220-250V
2 module enclosure:
220-250V
4 module enclosure:
220-415V
RATED INSULATION VOLTAGE
Consumer unit:
300V
2 module enclosure:
300V
4 module enclosure:
660V
SHORT CIRCUIT WITHSTAND
16kA rms (based on the use of a BS 1361 Type 2
fuse of rating not exceeding 100A)
EARTHING SYSTEM
Suitable for use with TN-S, TN-C-S and TT systems
SPLIT LOAD
Split load units are supplied with a pre-fitted switch,
RCD and suitable cables.
The following versions are offered:
MAIN INCOMER
RCD
K5682s
100A Switch
63A
K5662s
100A Switch
80A
K5666s
100A Switch
63A
K5686s
100A Switch
80A
K5681s
100A Switch
80A
K5582s
100A Switch
63A
K5566s
100A Switch
63A
K5586s
100A Switch
80A
K5581s
100A Switch
80A
FEATURES
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Attractive styling
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Modular design
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Suitable for most residential,
commercial and light industrial
applications
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Single, dual and triple RCD consumer
units available for 17th Edition
compliance
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Fully comply with British and
European Harmonised Standards
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Available as an empty enclosure or
prefitted with switch disconnector and
up to 3 RCDs
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Factory built options available
For a full range of corresponding products,
see pages
271-291
in the product selector.
Sentry Technical
Consumer Units and Enclosures
Description
Specific consumer unit configurations have been designed to provide flexible
solutions in meeting the requirements of the 17th Edition with regards to RCD
protection for circuits, cables and socket outlets. MK Sentry Consumer Units,
available in insulated and metal versions, allow for protected and unprotected ways
with the circuits being split across up to 3 RCDs, whilst the labelling sheet allows for
full identification of all circuits.
Sentry consumer units and enclosures are available in both surface metal and
insulated types, designed on a modular basis, with 2 to 21 module enclosures in the
range, to accommodate a wide variety of MK modular protection and control products.
Surface insulated units provide an all insulated housing. Metal units provide a
housing with facility for earthing the metal box.
The enclosures are provided with ample wiring space and cable entry points.
Colours / finishes
All surface insulated consumer units have a textured magnolia cover and lid. The
surface metal consumer units are white (powder coated paint). The flush bases are
of galvanized steel.
Certain models are provided with a pre-assembled split load arrangement with
switch and up to 3 RCDs. The range is complemented by a versatile selection
of small, two and four module enclosures suitable for housing RCDs or other
combinations of Sentry products. A 2 module enclosure K5592s is suitable for
housing the one module RCBO.
All Sentry Consumer Units have neutral and earth terminal bars with 16mm2
capacity for solid stranded copper cables.
For enquiries where large number of similarly designed consumer units i.e.
specified. MK can provide complete pre-assembled factory built units, subject to
certain conditions. For further information please contact the MK Electric Technical
Services Department (01268 563720).