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