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