SD 10 Siren Test

SD 10 Siren Test


The Federal Signal SD-10 was a dual-toned, 9/12 port, 10HP electromechanical siren produced by the Federal Sign & Signal Corporation. It shared the same rotor and stator assembly with the Model 5AT/5BT. It was produced from the late 1950's to the late 70's where it was discontinued. There were 2 models produced: The SD-10A is the most common model and is powered by 240V 3-phase power and the SD-10B which runs off of 240V single-phase power. It produces a sound of 109dB at 100 feet, and weighed about 500 pounds.


Ports: 9/12

RPM: 3450RPM full speed

dB rating at 100 feet: 109dB

Motor type: 10HP electric induction motor

Power requirements for SD-10A: 208/240Vac 3-phase, 28/14A, 50/60hz

Power requirements for SD-10B: 240Vac single-phase, 56A, 60hz only

Motor starter: Federal RC5 motor starter required to operate.

Diameter: 46"

Height: 80" (with metal legs)

Cities that currently use SD-10 sirensEdit

Tucson, AZ (at least one is still tested once a month), most have been removed

Sarpy County, Nebraska

Beaver Dam, Wisconsin (Only one remains and is tested once a month)

Murphysboro, Illinois

Allen, Texas (most have been removed and replaced with Federal Signal 2001s)

Bellevue, Nebraska

Norman, Oklahoma

Collinsville, Illinois

Centralia, Missouri

Branson, Missouri (Slowly getting replaced)

Mulberry Grove, Illinois

Greenville, Illinois

Pea Ridge, Arkansas

Deerfield, New York (Operates as a fire siren for the Volunteer Fire Dept.)

Mayville, Wisconsin

Kaalea, Hawaii (Status of siren(s) unknown, most likely removed)

Earleville, MD (Operates as a fire alert signal) ...And more.