Federal Signal Visual Signaling Devices, MSL Series
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Federal Signal Visual Signaling Devices, MSL Series
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Product Details


Visual Signaling Devices, MSL Series
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MSL Series Information

  • 24 VAC/VDC or 120 VAC/240 VAC
  • PLC Compatible
  • 4X Type Enclosure
  • Pipe or Surface Mounted
  • UL; cUL Approvals
The Federal Signal MicroStat is a compact, Type 4X status indicator, Type 1 with optional sounder. Ideal for OEM applications, the MicroStat comes pre‑assembled as 1‑, 2‑, 3‑, 4‑, or 5‑high light units. The user selects combinations from five colors; amber, blue, clear, green and red. O‑rings between each segment provide a water‑tight and dust‑tight seal. The MSL1, MSL2, MSL3 are available in 24VAC/DC, 120VAC and 240VAC; the MSL4 and MSL5 are available in 24VAC/DC and 120VAC. The base of each light can be surface or pipe mounted (3/4‑inch NPT).

The lenses lock together and snap apart with a simple twisting motion, allowing for easy lamp changes and quick lens resequencing. A rugged vibration‑resistant, thick‑filament wedge lamp fills each lens with light, providing excellent optical performance.

Wire connections are made through a 2‑piece terminal block. The MicroStat is designed to work with PLC outputs including "Triacs".

An optional 100,000‑hour LED light source is available in the five colors. This lamp, made of surface mounted LEDs, plugs directly into the same socket as the standard lamp.

An optional sound module can be installed in the top position of any MicroStat. The Sound Module Kit (MSS) consists of a slotted grille and board‑mounted piezoelectric horn. The sounder plugs directly into the wedge socket.

A pipe mount base, pipes and flashers are also available.



Manufacturer Part NumberMSL2-240AB
Item NumberMSL2-240AB
ManufacturerFederal Signal
Product SeriesMSL
Family SeriesFederal Signal Visual Signaling Devices, MSL Series
Number of Tiers2
Voltage240 VAC
Nominal Voltage240 VAC
Light FunctionNon-Flashing
Light TypeIncandescent
Audible AlarmNone
Stack ConfigurationAmber, Blue
Mounting TypePipe, Surface
ApprovalscUL, UL
Net Weight0.55 lbs
Gross Weight0.85 lbs
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