K1521WHI MK (ELECTRIC), K1521WHI Datasheet
K1521WHI
Manufacturer Part Number
K1521WHI
Description
DIMMER SWITCH, 1 GANG
Manufacturer
MK (ELECTRIC)
Datasheet
1.K1521WHI.pdf
(2 pages)
Specifications of K1521WHI
Contact Voltage Ac Nom
230V
No. Of Gangs
1
Colour
White
Svhc
No SVHC (18-Jun-2010)
Approval Bodies
IEC669-2-1
Behind Panel Depth
12mm
Contact Voltage Ac Max
253V
External Length / Height
86mm
Body Material
Thermoset
TECHNICAL DATA SHEET
Logic Plus
Dimmer Switches
1:2
©2001 MK Electric Limited The Arnold Centre, Paycocke Road, Basildon, Essex SS14 3EA, United Kingdom Tel: +44 (0)1268 563720 Fax: +44 (0)1268 563064 email: more@mkelectric.co.uk www.mkelectric.co.uk
PRODUCT RANGE
Standard Dimmer Switches
1 gang, 1 way, single
dimmer switch, 40-250W
1 gang, 1 way, double
dimmer switch, 2 x 40-250W
1 gang, 1 way, single
dimmer switch, 60-450W
1 gang, 2 way, single
dimmer switch, 40-250W
1 gang, 2 way, double
dimmer switch, 2 x 40-250W
1 gang, 2 way, single
dimmer switch, 60-450W
Intelligent Dimmer Switches
1 gang, single dimmer switch
40-300W (LV rating 40-240W/VA)
1 gang, double dimmer switch
2 x 40-300W
(LV rating 2 x 40-240W/VA)
1 gang, single dimmer switch
60-500W (LV rating 60-400W/VA)
K1531 WHI
K1532 WHI
K1511 WHI
K1534 WHI
K1533 WHI
K1535 WHI
K1521 WHI LV
K1522 WHI LV
K1501 WHI LV
Description
MK Dimmer Switches fall into two
categories:
1) Standard Dimmer Switches
2) Intelligent Dimmer Switches
Logic Plus offers both categories of Dimmer
Switches
Standard Dimmer Switches
Dimmer Switches belonging to this category
employ simpler electronic circuitry and make
use of thermal switches to conform to the
very stringent requirements of the Standard
BS EN60669-2-1, for overload protection.
They are only suitable for use with normal
tungsten filament lamps with internal fuses,
conforming to BS 161 standard and do not
have any added features, e.g. soft start,
ability to control dimmable transformers for
low voltage, etc. Standard
Switches are not suitable for use with
transformers for Low Voltage Lighting
or Fluorescent Loads, including Energy
Saving Lamps.
Overload reaction
Case
1
2
3
4
Approximate load
on the dimmer as
a percentage of its
maximum rating
Up to 125
>125 to 150
>150 to 200
>200
Logic Plus™ Dimmer Switches
Power output to load when dimmer control is
set to maximum
Load will receive maximum power continuously.
Output to load will be reduced to 50% of the maximum
after a delay of approximately 20 seconds after switch on.
Output to load will be reduced to the minimum setting of
the dimmer after a delay of approximately 20 seconds after
switch on.
Output will be disabled (load will be switched off) almost
instantaneously after switch on.
Dimmer
Intelligent Dimmer Switches
Dimmer Switches belonging to this category,
employ the latest, state of the art, micro-
controller based electronic circuitry and use
current sensing to compute the load
conditions. These products show progressive
reaction to overload conditions, depending
on the extent of overload as shown in the
table below. List numbers belonging to this
category are identified by the suffix letters LV,
e.g. K1521 WHI LV. All MK Intelligent Dimmer
Switches employ one pole change over
switches to facilitate two way switching.
MK Intelligent Dimmer Switches are not
suitable for use with Fluorescent Loads,
including Energy Saving Lamps.
Edition 07-01
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K1521WHI Summary of contents
Page 1
... Switches Standard Dimmer Switches Dimmer Switches belonging to this category employ simpler electronic circuitry and make use of thermal switches to conform to the very stringent requirements of the Standard BS EN60669-2-1, for overload protection. They are only suitable for use with normal tungsten filament lamps with internal fuses, conforming to BS 161 standard and do not have any added features, e ...
Page 2
... IP rating: IP4X Max. installation altitude: 2000 metres Standards and approvals All Logic Plus dimmer switches comply with the EC Low Voltage Directive: 73/23/EEC, Electromagnetic Compatibility Directive 89/336/EEC They also comply with BS EN 60669-2-1 and BS EN 55015 ©2001 MK Electric Limited The Arnold Centre, Paycocke Road, Basildon, Essex SS14 3EA, United Kingdom Tel: +44 (0)1268 563720 Fax: +44 (0)1268 563064 email: more@mkelectric.co.uk www.mkelectric.co.uk ...