MANUAL
ENFORCER LOW-VOLTAGE BATTERY CUT-OFF
Troubleshooting:
Power indicator LED not lit
Voltage selector switch set at 12VDC
but DC LED light is blue
Voltage selector switch set at 24VDC
but DC LED light is red
y Check to make sure AC power is on
y Check AC power input and output connections
y Check the main switch if it is on
yVoltage selector switch set at wrong setting
Also Available from SECO-LARM:
Voltage Converter
Series
Power Supply / Charger
Series
Programmable Timer
Series
MANUAL
Low-Voltage Battery Cut-Off
ST-LA110-TTQ
ST-2406-7A
SA-025
Voltage Boosters
Open-Frame Transformers
Switching Power
Supply Series
ST-HB105-TTQ
ST-UV28-T350Q
(shown)
(shown)
ST-BD01Q
(shown)
(shown)
ST-UV12-S6.0Q
(shown)
WARRANTY This SECO-LARM product is warranted against defects in material and workmanship while used in normal
service for a period of one (1) year from the date of sale to the original consumer customer. SECO-LARM’s obligation is
limited to the repair or replacement of any defective part if the unit is returned, transportation prepaid, to SECO-LARM.
This Warranty is void if damage is caused by or attributed to acts of God, physical or electrical misuse or abuse, neglect,
repair, or alteration, improper or abnormal usage, or faulty installation, or if for any other reason SECO-LARM determines
that such equipment is not operating properly as a result of causes other than defects in material and workmanship.
The sole obligation of SECO-LARM, and the purchaser’s exclusive remedy, shall be limited to replacement or repair only,
at SECO-LARM’s option. In no event shall SECO-LARM be liable for any special, collateral, incidental, or consequential
personal or property damages of any kind to the purchaser or anyone else.
NOTICE: The information and specifications printed in this manual are current at the time of publication. However, the
SECO-LARM policy is one of continual development and improvement. For this reason, SECO-LARM reserves the right
to change specifications without notice. SECO-LARM is also not responsible for misprints or typographical errors.
Copyright © 2008 SECO-LARM U.S.A., Inc. All rights reserved. This material may not be reproduced or copied, in
whole or in part, without the written permission of SECO-LARM.
SECO-LARM® U.S.A., Inc.
16842 Millikan Avenue, Irvine, CA 92606
Tel: 800-662-0800 / 949-261-2999 Fax: 949-261-7326
4
Website: www.seco-larm.com
E-mail: sales@seco-larm.com
The ENFORCER ST-BD01Q Low-Voltage Battery Cut-Off prevents the deep discharge of the
backup batteries. The ST-BD01Q ties directly into most 12 or 24 VDC power supplies or alarm
panels for easy plug-and-play installation. A Master On/Off switch easily connects or disconnects
the battery and AC power supply from the control panel.
• Selectable input 12/24VDC
• Adjustable voltage cut-off and restore point
• Master On/Off switch
• Green LED AC power indicator
• Dual-color DC LED indicator
• Includes battery leads and double-sided tape
PITSW1
mi- ST-BD01Q.docx
Order Part# 763-163%
SECO-LARM U.S.A., Inc.
NOTE: Products with a model number that ends with “Q” or have a round green “Q” sticker represent RoHs compliant products.
ENFORCER LOW-VOLTAGE BATTERY CUT-OFF
ENFORCER LOW-VOLTAGE BATTERY CUT-OFF
Operation:
Specifications:
Voltage Cut-Off:
For operating voltages please see Table 1 on Page 3.
Relay contact rating
AC
LED
indicators
DC
Connections
AC input
AC output
DC
Dimensions
Overview:
AC input
(green terminal block)
Battery wires to
back-up battery
Master On/Off
switch
Green LED AC
power indicator
1
1
2
2
ST-BD01Q
(8” red and black wires)
Dual-color DC
power indicator LED
1. The ST-BD01Q’s voltage cut-off point is preset at approximately 9.6VDC when set at 12VDC
setting and about 19.6VDC when set at 24VDC setting.
2. To adjust the voltage cut-off point, carefully turn the adjustable voltage cut-off knob clockwise
to increase and counter-clockwise to decrease. See the Table 1 below for the adjustable
voltage cut-off range.
7Amp@30VDC
Green
Red: 12VDC
Blue: 24VDC
Terminal block
Gray wire leads
Quick-connect terminal (battery side)
On-board male spade terminal
23/8” x 13/4” x 7/8” ( 60 x 45 x 22 mm)
12/24 VDC
selector switch
Master On/Off Switch:
1. The ST-BD01Q turns off both AC and DC power to the control panel or power supply.
2. The green power LED indicates AC power is present.
3. The dual-colored LED indicates DC power is present and if it is 12 or 24VDC (see Table 2).
Adjustable voltage
cut-off knob
AC Output to
AC input of control
panel or power supply
(12” gray wires)
DC connector
male spade terminal connects to
control panel or power supply
Installation:
DC operating
voltage
AC input
Adjustable
cut-off range
12VDC
24VDC
10~14 VDC
22~28 VDC
12~18 VAC
24~30 VAC
9~10 VDC
19.2~20.3 VDC
Off, AC power not present
On, AC power present
Off, DC power not present
Dual-color
Red, 12VDC present
LED
Blue, 24 VDC present
Green LED
Sample Application #1: Connecting to a 12VDC Power Supply
or Control Panel
ST-2406-5A
Set at 12VDC
IMPORTANT: The polarity on all wiring connections MUST be
connected properly, incorrect polarity connection will damage the
unit. When using 24VDC the voltage selector switch MUST be set
at 24VDC, incorrectly setting the unit may cause damage.
SECO-LARM U.S.A., Inc.
ST-UV16-W100Q
Open-frame
Transformer
AC Input
Power supply / charger
or control panel
1
1
2
2
AC Output
12VDC
Battery
wires
12V Backup
battery
ST-BD01Q
Sample Application #2: Connecting to a 24 VDC Power Supply
or Control Panel
Set at 24VDC
ST-UVDA-W180Q
Open-frame
Transformer
AC Input
1
1
2
2
Battery
wires
Two 12VDC Backup
batteries in series
SECO-LARM U.S.A., Inc
ST-BD01Q
1. Disconnect the AC power and back-up battery from the control panel or power supply.
2. Turn Off the master switch of the ST-BD01Q (factory default is Off).
3. Select the correct voltage setting (12 or 24 VDC) via the 12/24 VDC selector switch (factory
default is 12VDC).
4. If necessary, connect the low voltage AC to the AC input terminal block.
5. Connect the AC output gray wires from the ST-BD01Q to the AC input of the control panel or
power supply.
NOTE: If the AC input/output will not be used, wrap the wire ends of the AC output gray
wires to avoid accidental short circuit.
6. Connect the female spade lugs of the battery wires to the back-up battery.
Observe correct polarity.
7. Using the included wire leads, connect the male spade terminals of the ST-BD01Q to the DC
output terminals of the control panel or power supply.
8. Use the included double sided tape and secure the ST-BD01Q module on the desired location.
9. Double check all connections before turning On the master switch.
2
Table 2: LED Indicators
Table 1: Operating Voltage
AC Output
24 VDC
Control
Panel
ST-BD01Q
3
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