Challenge Electronics engineering department provide the customer with a valuable engineering services and assistance in the design of sound for the customers products. Customers may also receive assistance from Challenge Electronics in the design of alarms to fit their needs:
Please contact Challenge Electronics Sales Department with any special requirements
Key Description


Corrosion Prevention of the Diaphragm built into the Alarm The diaphragm is insulated to prevent DC current flow between the diaphragm and the negative or positive inputs. This current will cause galvanic corrosion.


High Voltage Spike Protection built into the Alarm To withstand 1000 V 600 W spike. Per EN 50081-1, EN 50082-1, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EVN 50204, and SAE 1171


Built-In False Alarm Prevention. A 550 Ω shunt is added in the alarm to prevent false alarms due to current leakage.
Sound TonesLoudnessTermination
 Single Function Tone   Standard
 Continuous ultra loudQ0.25" Quick Disconnect Blade, Brass, Electro-Tin Plated
 Interrupted extra loudL0.25" Quick Disconnect Blade, Brass, Electro-Tin Plated, set in L shape to fit Packard Connectors
 Chimes loudS0.25" Quick Disconnect Blades, Brass, Electro-Tin Plated, with two 1/4 inch 6-32, Stainless Steel Screws
 Warble mediumPPC Pins, Brass, Electro-Tin Plated
 Siren softW Wire Leads, Two (2) Wires Leads, 18 AWG (7X32), GXL Automotive, Copper, XPLE insulated, 5.0" (127 mm) long. Struck 0.235" (6.0 mm). Color coded: Red - Positive and Black - Negative.
 Staccato Other 
 Other Sounds    
 Dual Function Tones Others Will accommodate
 Continuous and Interrupted Special Mounting Other wires style and length
 Continuous and Chime Special Functions Connectors at the end of the wires
 Continuous and Warble Special Enclosures Special Blades, Pins
 Other Sounds Complete Alarm System Per customer needs
Specification subject to change without notice.


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Upgrades & Options


Accessory Part Number Description
Accessory Part Number Description
CE-VC Customer can add a Volume Control Rotor (A case style only) to attenuate the Sound Pressure Level up to 20dB.
CE-BK-ABF Easy Mounting Bracket for applications where a mounting hole is not available. Made for CE SERIES of PIEZELECTRIC ALARMS, A, B or F cases.
CE-G1.1 Gasket 1.125 hole for "A" and "B" Cases. When mounting these cases with the gasket, the alarm will qualify for a NEMA 4X rating.


Oct 29, 2018
Welcome Pinnacle Marketing our new sales rep in Alabama, Georgia, Mississippi, North and South Carolina and Tennessee.

Mar 22, 2018
Welcome Technology Marketing Corp., our new sales rep in Indiana, Ohio, Kentucky, Michigan, Western Pennsylvania, and West Virginia.

Feb 5, 2018
Welcome Luscombe Engineering Co. our new sales rep in Northern California and Northern Nevada.


Sep 14, 2018
Mobile Speakers:

July 2, 2018
NEW Backup Alarms

June 11, 2018
NEW MEMs Microphones

May 14, 2018
PinPoint Alerts



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