K4898WHI MK (ELECTRIC), K4898WHI Datasheet - Page 5

• Manufacturer Part Number: K4898WHI
• Description: SWITCH, SECRET KEY, 20A
• Manufacturer: MK (ELECTRIC)

Specifications of K4898WHI

• Contact Voltage Ac Nom: 250V
• Contact Current Max: 20A
• No. Of Gangs: 1
• Colour: White
• Svhc: No SVHC (18-Jun-2010)
• Approval Bodies: BS3676 Pt1 1989
• Contact Configuration: SPST
• Contact Current Ac Max: 20A
• Body Material: Steel

TECHNICAL DATA SHEET
Grid Plus™
Modular Switching System
5:6
©2002 MK Electric Limited The Arnold Centre, Paycocke Road, Basildon, Essex SS14 3EA, United Kingdom Tel: [phone] Fax: [phone] email: [e-mail] www.mkelectric.co.uk
TECHNICAL SPECIFICATION
Electrical
Switches
Voltage rating:
250V a.c., 50 Hz
Current rating:
10 or 20 amps – no derating when used on
fluorescent or inductive loads.
Load type:
No resistriction
Terminal capacity:
4 x 1mm
2 x 4mm
Indicator Units
Voltage rating:
24V indicators - min. 21V, max. 36V
240V indicators - min. 200V, max 250V
Terminal capacity:
as switches
Buzzer Unit
Voltage rating:
240V
24V
Terminal capacity:
as switches
Fuse Unit
Voltage rating:
250V
Current rating:
13 amps
Terminal capacity:
2 x 4mm
Cord Outlet
Voltage rating:
250V
Current rating:
16 amps
Terminal capacity
Supply: 2 x 4mm
Load: 1 x 1.5mm
Dimmers
Voltage rating:
230V a.c., 50Hz
Load rating:
For ingle dimmer installations:
K4500 min. 40W/VA, max. 400W/320 VA
K4501 min. 40W/VA, max. 220W/180 VA
K4510 min. 40VA, max. 400W
K4511 min. 40VA, max. 220W
For multiple dimmer installation see Load Adjustment
table.
Load types:
K4500, K4501 tungsten filament (GLS) lamps
Low voltage lighting electronic or wire-wound
transformers
Soft start:
Raises from low to control knob setting in 1-3 secs,
(increases lamp life significantly)
Terminal capacity
1 x 2.5mm
Universal Socket
Voltage rating
125/250V
Current rating:
16 amps
Terminal capacity
2 x 6mm
3 x 4mm
2
2
2
2
2
, 4 x 1.5mm
, 1 x 6mm
(stranded)
3 x 2.5mm
2,
2 x 1.5mm
2
2
multi-strand
2
2
2
, 4 x 1mm
2
2
, 3 x 2.5mm
2
,
205
146
86
86
59
59
Dimensions (mm)
18 gang
8 gang
4 gang
1 gang
Double dimmer
module
All switch and
indicator modules
25
50
86
146
146
25
205
60
86
59
2 gang
59
24/240V
buzzer units
25
86
Fuse unit
25
u
f
f
u
s
s
e
e
34
265
146
205
86
31.5
3 gang
12 gang
24 gang
6 gang
59
59
146
Single dimmer
module
25
Cord unit
146
146
25
205
58
42
Edition 06-02