Security Brands 55-T Series Instructions

I N S T R U C T I O N S
IN THE BOX
Make sure you have everything shown here.
Timer Unit Extra Battery
Multi-tool is also included.
GENERAL INFO
7-day timers are available in the following models:
55-T12 12-Volt DC Timer
55-T24
24-Volt AC/DC Timer
55-T110 110-Volt AC Timer
Input voltage depends on the model. Please verify the
model you have before proceeding. The model number
can be found on the back of the timer housing.
These timers allow storage of up to 17 on/off events per
day and 15 different daily program schedules, allowing
for maximum flexibility (see Figure 2).
NOTE: Program options shown on timer display are
ordered as shown in Figure 2 but are not numbered.
All timers come equipped with a form "C" relay rated for
16 A @ 30 VDC.
All timers feature a fully replaceable backup battery for
seamless operation in the event of a power outage.
Two-Year Limited Warranty
Visit securitybrandsinc.com/warranty/ for details
call
NEED
(972) 474-6390
Two-Year Limited Warranty
HELP
or email
Visit securitybrandsinc.com/warranty/ for details techsupport@securitybrandsinc.com
© 2025 Security Brands, Inc. All rights reserved.
7-DAY TIMER
BUTTONS/INDICATORS
CLOCK: to adjust day and time; must be pressed and
held to allow use of day and time buttons
TIMER: to set up and review programmed events
DAY: to adjust day of week
HOUR: to adjust hour
MIN: to adjust minutes
MANUAL: to select between ON/AUTO/OFF modes
(current mode indicated by bar on display)
Spade Connector
( 5x )
ON (LED): indicates relay status (LED is on when relay is
active and off when inactive)
P : to power on timer for first time or reset settings
1 of 2
Modes:
ON: relay is active
AUTO: timer will follow user-specified programs
OFF: relay inactive; no programs will be followed
Figure 1: Front Panel
1 MO TU WE
2 MO TU WE
3 MO TU WE
4
5 MO TU WE
6 TU
7 MO WE
8
9 MO
10 TU
11 WE
12
13
14
15
Figure 2: Daily Program Schedules
Model 55-T Series
TH FR SA SU
TH FR SA
TH FR
SA SU
FR
TH SA
TH FR SA
TH
FR
SA
SU
I-55T-EN-US Rev. C (4/2025)