ELK 912B, 912B6 User Manual
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1RT Speaker & Stainless Steel Enclosure
150RT Siren & Stainless Steel Enclosure
155RT Voice Siren in Stainless Steel Box
44 Speaker, 30 W,8 Ohm Compact Horn
45 Siren, Compact Horn, 118db
55 Voice Siren, Compact Horn
M120 Siren, Single Tone, 107db, Mini Horn
SP15 Speaker, 15 watt, Small Horn
SP30 Speaker, 30 watt, Horn
SP35 Speaker, 20 watt, Interior
SP40 Speaker, 40 watt, Horn
SS15 Siren, Dual Tone, 110db, Horn
SS30 Siren, Dual Tone, 120db, Horn
SS36 Siren, Dual Tone, 105db, Interior
73 ECHO Speaker, 20 Watt, Interior
74 ECHO Dual Tone Siren, Interior
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912B Heavy Duty Compact Relay,12/24 Vdc, SPDT
924 Sensitive Relay, 12/24 Vdc, DPDT
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960 Delay Timer Relay, 1 sec. to 60 min.
1240 Battery, Lead Acid, 12v, 5Ah
1270 Battery, Lead Acid, 12v, 8Ah
12100 Battery, Lead Acid, 12v, 12Ah
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12250 Battery, Lead Acid, 12v, 25Ah
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SL1 Strobe Light, 4 colors available
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For more information contact your local Distributor or:
ELK PRODUCTS,INC 828-397-4200 FAX 828-397-4415
http://www.elkproducts.com Email: info@elkproducts.com
05/02
Magic Module Series
®
Transceiver Kit, Programmed MM443
iButton™ ‘Touchkeys’,10 pcs w/keyring holders
Rust Free Sirens / Speakers
Speakers & Sirens
ECHO™ Sirens & Speakers
Siren & Voice Drivers
Surge Suppressors
Relay Modules
Power Products
Accessories
Heavy Duty Relay
ELK-912B (Single)
ELK-912B-6 (Six Pack)
12 or 24 Volts D.C. Activation
APPLICATION:
The ELK-912B is a heavy duty relay module featuring 12 or 24 VDC selectable operation, SPDT
Form "C" contacts, low current draw, voltage input
LED, and high quality cross-head terminals.
Heavy Duty 12 or 24 VDC Relay
ELK-912B (Single)
ELK-912B-6 (Six Pack)
FEATURES:
• High Quality Cross-head Terminals.
• 12 or 24 Volts D.C. Selectable Operation.
• Voltage Input LED.
• Heavy Duty Contact Rating.
• SPDT Form "C" Contacts.
• Low Current Draw.
• Great For General Purpose Switching.
• Small, Compact Size.
• Includes Double Sided Mounting Tape.
• Packed in Reusable Poly Storage Box.
• Lifetime Limited Warranty, call for details
SPECIFICATIONS:
• Operating Voltage: 12 or 24 Volts DC Nominal.
• Current Draw @ 12V: 35 milliamps.
• Min.Pull-in voltage: 9VDC on 12V setting.
• Current Draw @ 24V: 29.5 milliamps.
• Min.Pull-in voltage: 19VDC on 24V setting.
• Diode Protection Across Relay Coil.
• Contact Ratings:
7 Amps @ 30 Volts D.C.
10 Amps @ 125 Volts A.C.
• Size: 2" X1.5 " (51mm X 38mm) Ea.
Features or Specifications subject to change without notice.
828-397-4200 Voice
828-397-4415 Fax
http://www.elkproducts.com
email: info@elkproducts.com
PO Box 100 • Hwy. 70W • Hildebran, NC 28637 • USA
Instructions Printed On Inside
ELK-912B APPLICATIONS AND WIRING DIAGRAMS
For 24 Volt Operation cut this
jumper and apply 24 Volts DC to
+
D2
the Power Terminals.
ELK-912B
Hookup to a Control Panel Alarm
Output.
D2
ELK-912B
+
-
N\O COM N\C
These Contacts
are Connected
when Relay is
Activated
-
N\O COM N\C
Control Panel
+12V Aux.
+ Alarm Output
- Alarm Output
- AUX Output
- Common Gnd
Power Terminals: (trigger input)
Relay Coil is energized by 12VDC
@35mA or 24VDC @30mA when
the 24V Operation Jumper is Cut
Relay Contacts:
When Relay is Off (no trigger) COM
and N/C are internally connected.
When Relay is On (triggered) COM
and N/O are internally connected.
Hookup for a Low Current Negative
(pull to ground) Auxiliary Output.
D2
+
-
These Contacts
are Connected
when Relay is
Activated
ELK-912B
N\O COM N\C
Control Panel
+12V Aux.
+ Alarm Output
- Alarm Output
- AUX Output
- Common Gnd
Example 1: This example works for a
positive or negative switching alarm output.
Connect the ELK-912B "+" terminal to the
alarm output positive terminal, connect the
ELK-912B "-" terminal to the alarm output
negative terminal.
Alarm-Activated Floodlight
D2
+
-
ELK-912B
N\O COM N\C
120V
AC
Floodlight
Control Panel
+12V Aux.
+ Alarm Output
- Alarm Output
- AUX Output
- Common Gnd
Example 3: Floodlight activates whenever control panel is in alarm
Example 2: Used to switch higher current
loads from a Low Current Negative Auxiliary
Output. Connect the ELK-912B "+" terminal
to a constant power supply positive output
terminal, connect the ELK-912B "-" terminal to
the auxiliary output negative terminal.
High-Current Bell or Siren Switch
D2
+
-
Bell
(or Siren)
N\O COM N\C
+
Bell
-
ELK-912B
Control Panel
+12V Aux.
+ Alarm Output
- Alarm Output
- AUX Output
- Common Gnd
-
+
12V Power Supply
Example 4: ELK-912B used to switch a high-
current siren or bell from separate power supply.
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