Alpha™ Siren Series
The Alpha Siren Series delivers 100 or 200 watts of siren warning power, hands-free operation, multiple warning tones, and horn ring override capability. Alpha Sirens allow easy set-up and configuration to meet local requirements without special ordering.
- Compact design is ideal for undercover and volunteer applications
- Control siren tone through horn ring or separate switches
- Hands-free operation
- Harmonically rich composite Airhorn tones
- Output open/short circuit protection
- Easy to install
- Pre-wired with quick disconnect plugs for easy service and fast replacement
ALPHA12S:
- Five siren tones
- Operates one 100 watt siren speaker
- Dip switch access allows instant configuration of popular operating features
- Compact design is easy to install under the dash, in a console, or in a rack
ALPHASL:
- 18 Scan-Lock™ siren tones
- Operates one or two 100 watt siren speakers
- Five optional switch panels available. Will also operate from customer supplied switching controls
| Alpha™ Siren Series | |
|---|---|
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ALPHA12S
Self-Contained Siren, with Faceplate Switches, Selectable Four Tone Hands-Free Siren, For Single 100 Watt Speaker
ALPHASL
Remote Siren, for use with Remote Switches (Purchased Separately), Selectable Four Tone Hands-Free Siren, For One or Two 100 Watt Speakers
Alpha™ Siren Series - Accessories |
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ALPHA1
Single On/Off Switch for use with Hands-Free Operation
ALPHA2
Single On/Off Hands-Free Activation Plus Momentary Switch for Air Horn
ALPHA3
TONE 1/Off/TONE 2 Switch Operation Plus Momentary Switch for Air Horn
ALPHA4
Three Switch Operation, One On/Off, One TONE 1/Hands-Free/TONE 2, One Momentary Switch for Airhorn
ALPHA5
3 Position Toggle Switch, Controls 3 Siren Tones and other Warning Lights or Device Functions. Contacts Rated at 30 Amps
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| Alpha™ Siren Series | |
|---|---|
|
ALPHA12S
Self-Contained Siren, with Faceplate Switches, Selectable Four Tone Hands-Free Siren, For Single 100 Watt Speaker
ALPHASL
Remote Siren, for use with Remote Switches (Purchased Separately), Selectable Four Tone Hands-Free Siren, For One or Two 100 Watt Speakers
Alpha™ Siren Series - Accessories |
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ALPHA1
Single On/Off Switch for use with Hands-Free Operation
ALPHA2
Single On/Off Hands-Free Activation Plus Momentary Switch for Air Horn
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WARNING: These products may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit whelen.com/regulatory.
Dimensions
Specifications
| Function | ALPHA12S | ALPHASL |
| Input Voltage | 10-16 VDC | 10-16 VDC |
| Polarity | Negative Ground | Negative Ground |
| Polarity Protection | Diode/Fuse | Diode/Fuse |
| Output Power | 100 Watts | 200 Watts |
| Output Load | One 11 OHM speaker | Two 11 OHM speakers |
| Input Current (siren on) | 8 amps (max) | 15 amps (max) |
| Standby Current | 10 ma (max) | 10 ma (max) |
| Fuse | 10 amp auto fuse | 20 amp |
| Fuse Mounting | Spade type, in-line connector | Spade type, PC board |
| Output Short Protection | Fuse | Fuse |
| Horn/Ring Control | +12VDC or ground | +12VDC or ground |
| Weight | 2.2 lbs/1 kg | 2.4 lbs/1.2 kg |
| Operating Temperature | -30°C to +60°C | -30°C to + 60°C |
| Operating Humidity | 0-95% non-condensing | 0-99% non-condensing |
| Connector | One 6 pin amp Mate-N-Lok®, 24” wiring pigtail | One 16 position input connector |
Siren Tones
| ALPHA12S | ALPHASL |
| Wail | Wail |
| Yelp | Yelp |
| Piercer | Piercer |
| Hi/Low | Hi/Low |
| Airhorn | Y249 |
| B-Wail | Warble |
| B-Yelp | Whoop |
| B-Hi/Low | Mechanical |
| Pulsed Airhorn | |
| Airhorn Hi | |
| Airhorn Low | |
| Alternate Wail | |
| Alternate Yelp | |
| Pulsed Piercer | |
| Pulse Yelp/Airhorn | |
| B-Wail | |
| B-Yelp | |
| B-Hi/Low |
