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Security Alert System - Relay and Modulator
Relay & Timer Modules |
MD-A |
MD-TR
 
Triggered by positive voltage (+DC), closure of dry contact, or opening of dry contact.
Adjust from 1 sec to 60 min.
Form C relay.
 Manual |
365 Days Schedule Timer |
MD-B |
MD-T365
 
365-Day annual timer.
12-24 VAC/VDC Operation.
Two NO or NC Form C relays:
10A@120VAC / 28VDC.
Each relay can be programmed for 50 events, total of 100 individual programmable events.
100 Programmable events can be set weekly, daily or hourly 365 days a year.
One egress input per relay (two total).
Block programming allows events to be repeated on consecutive days.
First-person-in function interrupts the normal operation of the annual timer.
Event output can be shunt or momentary, and momentary output can be programmed for 1~99 seconds.
10 Programmable holidays.
Built-in backup battery for the clock.
Built-in backup battery charger for external backup battery use.
Alpha-numeric and backlit LCD display for easy programming.
Manual
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MD-HVR
5 Amp relay, DPDT, Form C.
6/12/24 VDC operation.
LED indicates power.
Manual
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| MD-D4 |
Recordable Voice Annunciator Module |
MD-D8 |
MD-SVOICE4
Four Channels Configurable as: Two Siren and Two Recordable Voice OR Four Recordable Voice.
Maximum record time is 8 minutes divided between the number of voice channels.
Siren Sounds: Classic Yelp Siren, Temporal Coded Horn, and Steady Industrial Horn.
Temporal Coded Horn meets ANSI standard for Audible Emergency Evacuation Signaling.
Recordings stored in non-volatile memory.
Voice channels accept momentary triggers.
"One Shot" or Continuous voice playback settings.
Option to trigger +V1 and or +S3 channels from a steady or pulsing input (ComboTrigger™)
Built-in condenser microphone for recording.
Adjustable speaker volume and current draw.
Powerful 24 watt audio amplifier for Speakers.
Line Level Output Jack for Paging Systems and Amplifiers.
PC sound card interface connector.
Lifetime Limited Warranty. |
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MD-VOICE8
Eight Channels of Recordable Voice/Music.
Maximum record time is 8 minutes which may be divided between the number of channels required
Recordings are stored in non-volatile memory.
Each channel selectable for "+" or "-" triggering.
Each channel will accept a momentary trigger.
Continuous playback or "One Shot" settings.
Built-in condenser microphone for recording.
Adjustable speaker volume and current draw.
Powerful 24 watt audio amplifier for Speakers.
Line Level Output for Amplifiers and Paging Systems.
PC sound card interface connector.
Mounted inside ELK-PB1 plastic enclosure.
Lifetime Limited Warranty. |
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| Manual |
Manual |
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MD-E | Battery Power Chargers |
MD-F |
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Convert low-voltage AC input power to low-voltage DC output power.
Regulated and filtered output voltage.
Short-circuit protection.
Thermal protection and compensation.
Built-in backup battery charger.
Switches to backup battery automatically in case of power loss.
Fused protection for battery charger.
2 LEDs to indicate AC power input and DC power output status.
Compatible with lead acid or gel-type rechargeable battery.
Reverse polarity protected. |
Product Code |
Power
Input |
Voltage
(DC) |
Current |
Current
(Peak) |
MD-BPC612 |
16.5V AC |
6/12 |
1.5A |
2A |
MD-BPC61224 |
24V AC |
6/12/24 |
7A |
7.5A |
Manual |
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