P/N 3100672-EN • REV 07 • ISS 23JAN14    3 / 6 
Specifications 
 
Operating voltage  24 VDC or 24 VFWR, nominal 
Current 
 Operating 
 Supervisory 
 
See Table 1 
DC = 1.46 mA, FWR = 2.15 mA 
Default settings 
 Output volume 
 Output tone 
 
High dBA 
Temporal pattern 
Sound level output 
 ULC 
 UL 
See Table 2 
See Table 3 
Resonant frequency  3.2 kHz 
udible directional 
characteristics 
See Table 4 and Table 5 
Temporal pattern  0.5 s on, 0.5 s off, 0.5 s on, 0.5 s off, 0.5 s 
on, 1.5 s off, repeat cycle 
Compatible detectors  All Signature Series detectors [1] 
Compatible electrical 
boxes 
AB4G-SB surface box for audible base; 
4 in. square x 2-1/2 in. (64 mm) deep box; 
3-1/2 in. octagonal x 2-1/2 in. (64 mm) deep 
box; Standard European 100 mm² box 
Wire size  12 to 18 AWG (1.0 to 4.0 mm²) 
Sizes 16 and 18 AWG (1.0 and 1.5 mm²) are 
preferred 
Base diameter  6.8 in. (173 mm) 
Base height from box  0.8 in. (21 mm) 
Maximum distance 
from ceiling (wall 
mount) 
12 in. (305 mm) 
Environment type  Type A (Indoor only) 
Operating environment 
 Temperature 
 Relative humidity 
 
32 to 120°F (0 to 49°C) 
0 to 93% noncondensing 
Storage temperature  −4 to 140°F (−20 to 60°C) 
[1] GSA series not CPD approved  
 
Table 1: Operating current in mA (RMS) 
Voltage Low dBA High dBA 
16 VDC  17  28 
24 VDC  24  41 
33 VDC  31  52 
16 VFWR  41  48 
24 VFWR  51  60 
33 VFWR  60  66 
VDC = Volts direct current, regulated and filtered 
VFWR = Volts full wave rectified 
Table 2: Sound pressure level per CAN/ULC-S525 
Voltage High dBA Low dBA 
Reg. 24 VDC  93  89 
Reg. 24 VFWR  96  92 
 
Table 3: Sound level output (dBA) 
Signal Voltage Low dBA High dBA 
Reverberant room per UL 464 [1] 
Steady 16 VDC 75.5  81.7 
 
24 VDC  79.5  84.5 
 
33 VDC  81.8  86.5 
Reverberant room per UL 268 and FM [1] 
Steady 16 VDC 81.5  87.7 
 
24 VDC  85.5  90.5 
 
33 VDC  87.8  92.5 
[1] For UL 464 and UL 268 applications, low dBA settings are for 
private mode only 
 
Table 4: Audible directional characteristics [1] 
Angle (degrees)  Output sound pressure level 
90 (ref)  0 dBA 
75 and 105  −3 dBA 
65 and 110  −6 dBA 
[1] Measured in a ULC anechoic room. Horizontal and vertical axes 
reflect the same pattern. 
Table 5: Audible directional characteristics for EN 54-3 
  Horizontal Plane  Vertical Plane 
Angle  Min 16 V  Max 33 V  Min 16 V  Max 33 V 
Steady tone maximum volume (dBA) 
15°  91.6 96.6 84.1 89.6 
45°  97.5 102.6 82.9 87.6 
75°  101.8 106.9 101.0 106.3 
105°  100.1 105.4 99.8  105.1 
135°  92.3 97.7 83.7 89.3 
165°  92.7 98.2 86.2 92.0 
Temporal tone maximum volume (dBA) 
15°  91.4 96.6 84.4 90.3 
45°  97.3 102.5 81.5 86.9 
75°  101.4 106.6 101.1 106.8 
105°  100.6 105.8 100.1 105.8 
135°  92.1 97.5 83.5 89.4 
165°  92.1 97.4 87.9 93.5