2T22 and 3T22: Difference between revisions
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The 2T22 was an omnidirectional siren produced by [[Federal Signal Corporation]]. The design features a single motor in the middle with a twelve-port rotor/stator set on top and a 10-port set on bottom. A similar model featuring coding dampers was sold as the [[3T22]] | The 2T22 was an omnidirectional siren produced by [[Federal Signal Corporation]]. The design features a single motor in the middle with a twelve-port rotor/stator set on top and a 10-port set on bottom. Both rotors measured 14 inches in diameter, and are identical to rotors used on the model 3 and 2001. A similar model featuring coding dampers was sold as the [[3T22]] | ||
Both models were available in single and three phase versions. Three phase models used either a GE (early) or Marathon 10 horsepower motor. The only motor used on the single phase model was the Northwestern Electric 7 1/2 horsepower repulsion-induction motor. | |||
A fully assembled siren weighs close to 700 pounds, including the pole mount bracket. | |||
[[Category:Federal Signal Corporation]][[Category:Omnidirectional Sirens]][[Category:Dual Toned Sirens]] | [[Category:Federal Signal Corporation]][[Category:Omnidirectional Sirens]][[Category:Dual Toned Sirens]] | ||
Revision as of 01:00, 25 December 2013
| 2T22 and 3T22 | |
| Company | Federal Signal Corporation |
|---|---|
| Sound output | 113 dBc at 100 feet |
| Horsepower | 10 |
The 2T22 was an omnidirectional siren produced by Federal Signal Corporation. The design features a single motor in the middle with a twelve-port rotor/stator set on top and a 10-port set on bottom. Both rotors measured 14 inches in diameter, and are identical to rotors used on the model 3 and 2001. A similar model featuring coding dampers was sold as the 3T22
Both models were available in single and three phase versions. Three phase models used either a GE (early) or Marathon 10 horsepower motor. The only motor used on the single phase model was the Northwestern Electric 7 1/2 horsepower repulsion-induction motor.
A fully assembled siren weighs close to 700 pounds, including the pole mount bracket.