The keyswitch interface and MCP units covered in this
leaflet are suitable for installation in SMS analogue
addressable fire alarm systems. The product range
covered here include:
¨
SEN-807
Keyswitch MCP (Red)
¨
SEN-INT-KEY Keyswitch Interface (Blue)
¨
SEN-499
Spare Keys (Pack of 2)
¨
SEN-895
Surface Back Box for Interface
Red Plastic (Pack of 10)
Keyswitch assembly
Back box
The back box has recessed centres 'D', 3 at the top and
1- at the bottom, a maximum of 2 are usable.
Technical data
Standard
EN54: Part 17
EN54: Part 18
Dimensions
height 88 mm x width 88 mm
depth 32mm or 66mm when
surface mounted
Full assembly weight
128g - without backbox
192g - with backbox
Storage temperature
-30 to 70ºC
Operating temperature
-25 to 70°C
Relative Humidity
(Non condensing)
Temperature 25 - 55°C
up to 95%
Emission
BS EN61000-6-3:2001
Residential, Commercial &
Light Industry
Class B limits
Immunity
BS EN50130-4: Part 4 :1996
Ingress Protection
IP43 estimated
Colour
Red (similar to RAL3020)
Blue (similar to RAL5015)
Case
ABS engineering plastic
Indicators
Normal
Active
Green LED for status and find
device application
Red LED for active or Fire
indication
Terminals
2.5mm
2
maximum
LPCB Approved
-
Operating voltage
35V to 41V
Load factor
1 (maximum 200 devices per
loop)
EN54-17 data
V
max
42V
V
nom
40V
V
min
24V
V
SO max
14V
V
SO min
10V
I
C max
0.4A
I
S max
1A
I
L max
20
m
A
Z
C max
0.1
W
4188-911.02_SenTRI range of keyswitch I/F & MCP
1
Data and Installation
Keyswitch Interfaces / MCP
range
Red enclosure
for Fire applications
(backbox optional)
Blue enclosure
for Plant interface applications
(supplied with backbox)
I
I
88
15
32
Removable
Terminal block
O
I
88
36
THIS WAY UP
50
88
43,5
18,5
D
D
88
