D900-01-00 1 I56-650-16
SS12/24ADA* Series Strobes and
MASS12/24ADA* Series Horn/Strobes
for Fire Protective Signaling Systems
*ULC models add suffix “A”; strobes and sounder/strobes available in 24VDC,
15cd only
INSTALLATION AND MAINTENANCE INSTRUCTIONS
A Division of Pittway
3825 Ohio Avenue, St. Charles, Illinois 60174
1-800-SENSOR2, FAX: 630-377-6495
General Description
The National Fire Protection Association has published
standards and recommended practices for the installation
and use of the listed appliances. It is recommended that the
installer be familiar with these requirements, local codes,
and any special requirements of the local fire authority hav-
ing jurisdiction.
The Multi-Alert sounder and signaling strobe are intended
to be connected to the alarm indicating circuit of a UL-
listed fire alarm control panel. Both are compatible with DC
line supervision. The electronic sounder can be connected
Sound (Hz) Clips on Tabs Current (ma) Output (dBA)
UL (dBA)
( Note 1) DC Regulated/ (Note 3)
Ratings
FWR Unfiltered (Note 4)
12V 24V 30V 12V 24V 12V 24V
Slow Whoop ABC 21/40 38/56 46/72 85 92 79 85
800 Continuous BC 15/24 28/45 35/55 87 93 79 85
800/1000 Alternating AC 17/32 34/46 43/58 85 92 79 85
2400 Interrupted AB 19/23 35/56 43/64 89 90 79 85
2400 Continuous C 21/31 38/59 46/73 85 94 79 85
1200 Interrupted B 13/19 23/33 27/41 85 91 75 82
Swept Frequency A 17/24 34/47 43/60 85 92 79 85
Fast Warble NONE 15/27 30/47 38/59 85 92 79 85
Note 1: See Figure 2 for tab clip removal & storage.
Note 2: All models can be powered using full wave rectified unfiltered
supplies. Under no circumstances can SS24ADA or
MASS24ADA series devices input voltage exceed 33 VDC or be
less than 16 VDC (16-33Vrms for full-wave rectified, unfiltered
supplies). Under no circumstances can the MA12/24D input
Table 1. SS12/24ADA Series electrical ratings:
Model Supply
Voltage
Range
Operating Current from Regulated Supply Operating Current from Full-Wave Rectified Unfiltered
Supply
Average
Operating
Current
Peak
Current
(mA)
20/30V
Peak
Current
(mA)
10.5V/17V
Inrush
Current
(mA in
access of
Peak)
Average
Operating
Current
(mArms)
Peak Current
(mA)
20Vrms/
30Vrms
Peak Current
(mA)
10.5Vrms/
17Vrms
Inrush Current
(Amps in excess
of Peak)
SS24110ADA
SS24110ADAB
20-30V 210 470/500 - 0 245 400/500 - .080
SS2475ADA
SS2475ADAB
20-30V 170 385/400 - 0 200 320/370 - .040
SS2415ADA
SS2415ADAB
20-30V 75 160/180 - 0 90 275/290 - .020
SS1215ADA
SS1215ADAB
10.5-17V 170 - 360/380 0 200 - 330/380 .020
SS241575ADA
SS241575ADAB
20-30V 93 210/220 -- 0 120 275/290 -- 1.0
SS121575ADA
SS121575ADAB
10.5-17V 225 -- 510/560 0 270 -- 500/530 .020
SS2415ADAA
20-30V 175 360/380 -- 0 200 330/380 -- .020
NOTE: Inrush current du-
ration is less than
20 microseconds
(.00002 seconds).
Table 2. Sound Output and Current Ratings for the MA12/24D:
voltage exceed 33 VDC or be less than 9.6 VDC. Under no cir-
cumstances can a SS12ADA or MASS12ADA series device input
voltage exceed 18.7 VDC or be less than 9.6 VDC (9.6 -
18.7Vrms for full-wave rectified, unfiltered supplies).
Note 3: Measured at 10 feet in an anechoic chamber.
Note 4: Measured in a UL reverberant room.
to either 12 or 24 VDC panels. Models SS2415ADA,
SS2475ADA, SS24110ADA, SS241575ADA, and combina-
tion models incorporating these strobes, require 24 volt
panels. Models SS1215ADA, SS121575ADA,
MASS1215ADA , and MASS121575ADA require 12 volt pan-
els. Panels may have full-wave rectified, unfiltered power
supplies. The strobes produce one flash per second (nomi-
nal) with continuous nominal voltage applied.
The MA12/24D is suitable for outdoor applications (-35° to
66° C) when it is used with a WBB Weatherproof Back Box.
The signaling strobe is rated for 0° to 49° C and is NOT
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