12
SUMMARY OF AUDIBLE ALARMS*
Model
Min. dB
Current
Normal Limit
Number
Level@10 Ft.
Draw@24VDC
Per Circuit
BT-F
84.4
288mA
5
BT-SS
74.7
318mA
4
HN-EP
82
65mA
23
HNH-EP
92
350mA
4
U-EC(-W)
68.1
19mA
78
U-EC-MCS(-W)
Chime only
92
19mA
78
15cd Strobe only
82mA
18
30cd Strobe only
107mA
14
75cd Strobe only
182mA
8
110 Strobe only
234mA
6
Chime/15cd Strobe
92
101mA
14
Chime/30cd Strobe
92
126mA
11
Chime/75cd Strobe
92
201mA
7
Chime/110cd Strobe
92
253mA
5
U-HN(-W)
80.4
49mA
30
U-HN-MCS(-W)
Horn only
80.4
49mA
30
15cd Strobe only
82mA
18
30cd Strobe only
107mA
14
75cd Strobe only
182mA
8
110 Strobe only
234mA
6
Horn/15cd Strobe
92
131mA
11
Horn/30cd Strobe
92
156mA
9
Horn/75cd Strobe
92
231mA
6
Horn/110cd Strobe
92
283mA
5
U-HNH(-W)
82.6
70mA
21
U-HNH-MCS(-W)
Horn only
82.6
70mA
21
15cd Strobe only
82mA
18
30cd Strobe only
107mA
14
75cd Strobe only
182mA
8
110 Strobe only
234mA
6
Horn/15cd Strobe
92
152mA
9
Horn/30cd Strobe
92
177mA
8
Horn/75cd Strobe
92
252mA
5
Horn/110cd Strobe
92
304mA
4
U-MH(-W)
Steady
79.2
18mA
83
Temporal
75.9
16mA
93
U-MH-1G(-W)
Steady
79.2
18mA
83
Temporal
75.9
16mA
93
U-MH-MCS(-W)
Horn only
79.2
18mA
83
15cd Strobe only
82mA
18
30cd Strobe only
107mA
14
75cd Strobe only
182mA
8
110 Strobe only
234mA
6
Horn/15cd Strobe
92
100mA
15
Horn/30cd Strobe
92
115mA
13
Horn/75cd Strobe
92
200mA
7
Horn/110cd Strobe
92
252mA
5
U-MHT(-W)
Steady
79.2
18mA
83
Temporal
75.9
16mA
93
U-MHT-MCS(-W)
Horn only
79.2
18mA
83
15cd Strobe only
82mA
18
30cd Strobe only
107mA
14
75cd Strobe only
182mA
8
110 Strobe only
234mA
6
Horn/15cd Strobe
92
100mA
15
Horn/30cd Strobe
92
115mA
13
Horn/75cd Strobe
92
200mA
7
Horn/110cd Strobe
92
252mA
5
Model
Min. dB
Current
Normal Limit
Number
Level@10 Ft.
Draw@24VDC
Per Circuit
U-MMT(-W)
Horn
80.4
53mA
28
Chime
73.9
53mA
28
Bell
74
52mA
28
Sl Whoop
77.8
67mA
22
Temporal
76.2
38mA
39
Siren
78.5
67mA
22
Hi-Lo
78.6
38mA
39
SS Bell
71.1
44mA
34
U-MMT-1G(-W)
Horn
80.4
53mA
28
Chime
73.9
53mA
28
Bell
74
52mA
28
Sl Whoop
77.8
67mA
22
Temporal
76.2
38mA
39
Siren
78.5
67mA
22
Hi-Lo
78.6
38mA
39
SS Bell
71.1
44mA
34
U-MMT-MCS(-W)
Horn only
80.4
53mA
28
Chime only
73.9
53mA
28
Bell only
74
52mA
28
Sl Whoop only
77.8
67mA
22
Temporal only
76.2
38mA
39
Siren only
78.5
67mA
22
Hi-Lo only
78.6
38mA
39
SS Bell only
71.1
44mA
34
15cd Strobe only
82mA
18
30cd Strobe only
107mA
14
75cd Strobe only
182mA
8
110 Strobe only
234mA
6
Horn/15cd Strobe
80.4
135mA
11
Horn/30cd Strobe
80.4
160mA
9
Horn75cd Strobe
80.4
235mA
6
Horn/110 Strobe
80.4
287mA
5
Chime/15cd Strobe
73.9
135mA
11
Chime/30cd Strobe
73.9
160mA
9
Chime75cd Strobe
73.9
235mA
6
Chime/110 Strobe
76.9
287mA
5
Bell/15cd Strobe
74
134mA
11
Bell/30cd Strobe
74
159mA
9
Bell/75cd Strobe
74
234mA
6
Bell/110 Strobe
74
286mA
5
Sl Whoop/15cd Strobe
77.8
149mA
10
Sl Whoop/30cd Strobe
77.8
174mA
8
Sl Whoop/75cd Strobe
77.8
249mA
6
Sl Whoop/110 Strobe
77.8
301mA
4
Temporal/15cd Strobe
76.2
120mA
12
Temporal/30cd Strobe
76.2
145mA
10
Temporal/75cd Strobe
76.2
220mA
6
Temporal/110 Strobe
76.2
272mA
5
Siren/15cd Strobe
78.5
149mA
10
Siren/30cd Strobe
78.5
174mA
8
Siren/75cd Strobe
78.5
249mA
6
Siren/110 Strobe
78.5
301mA
4
Hi-Lo/15cd Strobe
78.6
120mA
12
Hi-Lo/30cd Strobe
78.6
145mA
10
Hi-Lo/75cd Strobe
78.6
220mA
6
Hi-Lo/110 Strobe
78.6
272mA
5
SSBell/15cd Strobe
71.1
126mA
11
SSBell/30cd Strobe
71.1
151mA
9
SSBell/75cd Strobe
71.1
226mA
6
SSBell/110 Strobe
71.1
278mA
5
Section III — Equipment Descriptions and Functions
*When audible alarms other than required bells
are used, they must be accompanied with a
visual fire signal either incorporated in the horn
enclosure or separate strobes.
Any combination of the approved notification
devices can be used, but the combination cannot
be greater than the circuit current of 1.5A.