Federal Signal

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Outdoor Warning

2 Omni-Directional Siren

  • Available in 120VAC and 240VAC
  • High-efficiency design requires only moderate power
  • Produces 102dBc @ 100 feet
  • Roof mount standard and pole mount optional

Federal Signal's Model 2 outdoor warning siren is an omni-directional siren capable of producing intense warning signals over a large area. The siren can be installed on a roof or utility pole.

Federal Signal's Model 2 is a single tone siren capable of producing 102dBc at 100 feet while making only moderate power source demands. The Model 2 has a universal motor which operates from either 120VAC/DC or 240VAC/DC. A Federal Signal Model RC2W motor starter (purchased separately) is required to operate this siren.

Federal Signal's Model 2 can serve as an outdoor plant-wide warning system where volume is needed to contrast with high ambient industrial sounds. It is ideal for use in the large, wide open areas found in industrial facilities such as refineries, steel mills and manufacturing plants. The Model 2 can be used for start/stop work signaling, plant evacuation or other emergency situations.

Special Considerations

  • Specify motor starter (RC2W)
  • Specify radio frequency
  • Call us for assistance in specifying an outdoor warning system


Part # Description Ship Weight Net Weight  
2-120 Siren, 120VAC 85 lbs. 59 lbs. Add to Quote >
2-240 Siren, 240VAC 85 lbs. 59 lbs. Add to Quote >


Part # Description Ship Weight  
RC2W-120 Control, 120VAC, single-phase, NEMA 3R 30 lbs. Add to Quote >
RC2W-240 Control, 240VAC, single-phase, NEMA 3R 30 lbs. Add to Quote >
PMS Pole mount stand, gray, Model 2 71 lbs. Add to Quote >
FC Programmable Decoder and Timer   Add to Quote >

Replacement Parts

Description Part #  
Bearing (Two Required) 8239A045 Add to Quote >
Brush and Spring (Two Required) 8247A020 Add to Quote >
Brush Holder (Two Required) 8247A021 Add to Quote >








Decibel Output 102dBc at 100 Feet
Output Frequency 533Hz
Beam Width 360º

Roof (standard)

Pole (model PMS required)

Recommended Mounting Height 35 to 40 feet (10.7 to 12.2 m)
Tones 1 Standard
Effective Range @ 70dBc 1000 FT
Power Rating 2 HP
Power Requirements

120VAC/VDC (24A, single phase)

240VAC/VDC (12A, single phase)

Height 25 IN
Diameter 19.63 IN
Federal Signal distributed by Gross Automation - Brookfield, WI - Phone: (262) 252-1600 - Fax: (262) 252-1616
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