Page 3
A05-239-03
Mounting
Signal Strobe
TOP
Strobe
Surface Mount
Horn/Strobe
Surface Mount
MA-12/24D
Signal Strobe
MP-SF
Signal Strobe
TOP
Strobe
Semiflush Mount
MP-SF
MA-12/24D
Signal Strobe
Horn/Strobe
Semiflush Mount
Wiring
Horn/Strobe Independent
From
panel or
previous
device
To Next
Device
or EOL
– VDC
+ VDC
+ VDC
– VDC
STROBE
SOUNDER
NON-
CODED
SUPPLY
CAN BE
CODED
SUPPLY
From
panel or
previous
device
To Next
Device
or EOL
– VDC
+ VDC
Note:
NON-
CODED
SUPPLY
Jumpers (included in screw-pack) must be
installed as shown for tandem operation.
Break off tab
Horn/Strobe Combination
Strobe Only
From
panel or
previous
device
To Next
Device
or EOL
– VDC
+ VDC
IN(–)
OUT(–)
IN(+)
OUT(+)
(–)IN
(–)OUT
(+)IN
(+)OUT
Standard Light Distribution
Vertical Dispersion
Horizontal Dispersion
A polar light distribution in both horizontal and vertical directions is mandated for the strobes by the
Standard UL 1971 for the Hearing Impaired
, with
specific minimum intensity percentages as shown in the graphs above.
LIGHT
0˚
–45˚
45˚
90˚
–90˚
WALL
Degree
Percent of Rating
0
100
5-25
90
30-45
75
50
55
55
45
60
40
65
35
70
35
75
30
80
30
85
25
90
25
ZERO AXIS
W
A
L
L
FLOOR
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90˚
Degree
Percent of Rating
0
100
5-30
90
35
65
40
46
45
34
50
27
55
22
60
18
65
16
70
15
75
13
80
12
85
12
90
12