Federal Signal MSL5L-024 - MicroStat LED Status Indicator 5 High 24VAC/DC - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Five lens colors: Amber, Blue, Clear, Green and Red. Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.
Federal Signal

MSL5L-024

Alternate Item Number: msl-led

UPC: 782979225690


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Overview

The Federal Signal MSL5L-024 MicroStat LED Status Indicator delivers reliable multi-color status signaling for industrial control applications. Designed for 24 VAC/DC operation (120 VAC optional), this compact indicator features a 2.2-inch (55.9 mm) diameter footprint, making it ideal for tight spaces. It supports both surface-mount installation and an integrated 3/4-inch NPT pipe mount, providing flexible mounting options for panels or piping systems. The unit is housed in a NEMA Type 4X enclosure, ensuring protection against indoor corrosive environments, dust, and incidental water exposure. Five bright lens colors—Amber, Blue, Clear, Green, and Red—enable operators to quickly distinguish system states such as power status, process completion, or equipment faults. The 50,000-hour LED lamp life ensures long-term reliability with minimal maintenance, reducing downtime and replacement costs. The MSL5L-024 is PLC compatible, allowing seamless integration into automation systems via standard control signals. Optional accessories include the MSS sound module for audible alerts, a pipe mount base for enhanced stability, and a flasher for attention-grabbing visual signals. Factory-assembled and UL/cUL listed, this indicator meets stringent safety and performance standards for indoor industrial use. Whether monitoring conveyor systems, pumps, valves, or control panels, the MSL5L-024 provides a durable, high-visibility solution for critical status indication.
  • 24 VAC/DC operation (120 VAC optional)
  • 2.2" (55.9 mm) diameter footprint for tight spaces
  • Surface mount or 3/4-inch NPT pipe mount installation
  • Five lens colors: Amber, Blue, Clear, Green, Red
  • 50,000-hour LED lamp life with NEMA Type 4X enclosure
  • PLC compatible with optional sound module (MSS) and flasher
  • UL and cUL listed for indoor industrial use

Specifications

1.0
A
18.5 H x 2.2 W x 2.2 D
IN
24
VAC
50,000
HR
Amperage
1 A
Amperage Rating
1 AMP
Application
Indoor
Brand Name
Federal Signal
Color
Amber, Blue, Clear, Green, Red
Depth
2.2 in
Depth
55.88 mm
Enclosure
Type 4X
Environmental Conditions
32 to 104 DEG F
Height
18.5 in
Height
469.9 mm
Ip Rating
IP4X
Lamp Life
50,000 HR
Lamp Type
LED
Lens Color
Amber/Blue/Clear/Green/Red
Lens Color
Amber;Blue;Clear;Green;Red
Lens Material
Polycarbonate
Mounting
3/4-Inch NPT Pipe/Surface
Mounting Type
Surface mount, 3/4-inch NPT pipe mount
Nema Rating
Type 4X
Operating Voltage
24VAC/DC
Operating Voltage
24
Series
MicroStat LED Status Indicator
Size
18.5 H x 2.2 W x 2.2 D IN
Size
2.2" diameter (55.9 mm)
Special Features
Optional Sound Module Model MSS
Standard
UL Listed/cUL Listed
Sub Brand
MicroStat
Type
status Indicator
Voltage Rating
24VAC/DC
Width
2.2 in
Width
55.88 mm
Package Dimensions (L x W x H)
4 IN x 4 IN x 19.63 IN
Package Dimensions (L x W x H)
10.16 cm x 10.16 cm x 49.8602 cm
Package Weight (Imperial)
1.600 L
Package Weight (Metric)
0.726 kg
Microstat Status indicator, 4-High, 24VDC/AC, Sounder, Flashing, Blue/Amber/Red - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint – only 2.2 inch diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Five lens colors: Amber, Blue, Clear, Green and Red. Optional 50,000-hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. Sounder produces 93-95 dBa at 1m (83-85 dBa at 10ft). PLC compatible. Indoor use only. Type 4X enclosure (With optional sounder rated NEMA Type 1). UL and cUL Listed.

MSL4-024BAR-MSF

Microstat Status indicator, 4-High, 24VDC/AC, Sounder, Flashing, Blue/Amber/Red - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint – only 2.2 inch diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Five lens colors: Amber, Blue, Clear, Green and Red. Optional 50,000-hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. Sounder produces 93-95 dBa at 1m (83-85 dBa at 10ft). PLC compatible. Indoor use only. Type 4X enclosure (With optional sounder rated NEMA Type 1). UL and cUL Listed.
MicroStat LED Status Indicator 3 High 24VAC/DC Red/Amber/Green- Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.

MSL3L-024RAG

MicroStat LED Status Indicator 3 High 24VAC/DC Red/Amber/Green- Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.
MicroStat Incandescent Status Indicator, 5-High, UL and cUL, 24VDC/AC, All Lens Colors

MSL5-024

MicroStat Incandescent Status Indicator, 5-High, UL and cUL, 24VDC/AC, All Lens Colors
MicroStat Incandescent Status Indicator, 4-High, UL and cUL, 24VDC/AC, All Lens Colors

MSL4-024

MicroStat Incandescent Status Indicator, 4-High, UL and cUL, 24VDC/AC, All Lens Colors
MicroStat LED Status Indicator 5 High 120VAC - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Five lens colors: Amber, Blue, Clear, Green and Red. Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.

MSL5L-120

MicroStat LED Status Indicator 5 High 120VAC - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Five lens colors: Amber, Blue, Clear, Green and Red. Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.
Microstat Status indicator, 4-High, 120VAC, Sounder, Flashing, Blue/Amber/Red - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint – only 2.2 inch diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Five lens colors: Amber, Blue, Clear, Green and Red. Optional 50,000-hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. Sounder produces 93-95 dBa at 1m (83-85 dBa at 10ft). PLC compatible. Indoor use only. Type 4X enclosure (With optional sounder rated NEMA Type 1). UL and cUL Listed.

MSL4-120BAR-MSF

Microstat Status indicator, 4-High, 120VAC, Sounder, Flashing, Blue/Amber/Red - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint – only 2.2 inch diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Five lens colors: Amber, Blue, Clear, Green and Red. Optional 50,000-hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. Sounder produces 93-95 dBa at 1m (83-85 dBa at 10ft). PLC compatible. Indoor use only. Type 4X enclosure (With optional sounder rated NEMA Type 1). UL and cUL Listed.
MicroStat Incandescent Status Indicator, 3-High, UL and cUL, 24VDC/AC, All Lens Colors

MSL3-024

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USIS-024TC

UniStat LED Status Indicator With Sounder, 24VDC, Tri-Color (Amber, Green and Red) - Available in 24VDC and 120VAC. Tri- or quad-color models. 50,000 hour vibration resistant LED light source. Available with built-in sounder (Model USIS). Surface mount and integrated 3/4-inch NPT pipe mount. PLC compatible. Indoor use only. Type 4X, IP66 enclosure. Type 1 with sounder, 60 dBa at 10 feet. UL and cUL Listed.
UniStat LED Status Indicator With Sounder, 24VDC, Quad-Color (Amber, Blue, Green and Red) - Available in 24VDC and 120VAC. Tri- or quad-color models. 50,000 hour vibration resistant LED light source. Available with built-in sounder (Model USIS). Surface mount and integrated 3/4-inch NPT pipe mount. PLC compatible. Indoor use only. Type 4X, IP66 enclosure. Type 1 with sounder, 60 dBa at 10 feet. UL and cUL Listed.

USIS-024QC

UniStat LED Status Indicator With Sounder, 24VDC, Quad-Color (Amber, Blue, Green and Red) - Available in 24VDC and 120VAC. Tri- or quad-color models. 50,000 hour vibration resistant LED light source. Available with built-in sounder (Model USIS). Surface mount and integrated 3/4-inch NPT pipe mount. PLC compatible. Indoor use only. Type 4X, IP66 enclosure. Type 1 with sounder, 60 dBa at 10 feet. UL and cUL Listed.
Microstat Status indicator, 3-High, 120VAC, Sounder, Flashing, Blue/Red - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint – only 2.2 inch diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Five lens colors: Amber, Blue, Clear, Green and Red. Optional 50,000-hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. Sounder produces 93-95 dBa at 1m (83-85 dBa at 10ft). PLC compatible. Indoor use only. Type 4X enclosure (With optional sounder rated NEMA Type 1). UL and cUL Listed.

MSL3-120BR-MSF

Microstat Status indicator, 3-High, 120VAC, Sounder, Flashing, Blue/Red - Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint – only 2.2 inch diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Five lens colors: Amber, Blue, Clear, Green and Red. Optional 50,000-hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. Sounder produces 93-95 dBa at 1m (83-85 dBa at 10ft). PLC compatible. Indoor use only. Type 4X enclosure (With optional sounder rated NEMA Type 1). UL and cUL Listed.
MicroStat LED Status Indicator 3 High 120VAC Red/Amber/Green- Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.

MSL3L-120RAG

MicroStat LED Status Indicator 3 High 120VAC Red/Amber/Green- Available in 24VAC/DC or 120VAC. Factory assembled. Small footprint, only 2.2" diameter (55.9 mm). Surface mount and integrated 3/4-inch NPT pipe mount. Type 4X enclosure (MSL with optional sounder rated NEMA Type 1). Indoor use only. 50,000 hour LED lamp. Optional sound module (MSS), pipe mount base and flasher. PLC compatible. UL and cUL Listed.
MicroStat Incandescent Status Indicator, 2-High, UL and cUL, 24VDC/AC, Amber, Blue

MSL2-024AB

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Frequently Asked Questions

What are the available voltage options?

The MicroStat is available in 24VAC/DC or 120VAC versions.

What is the diameter of the MicroStat?

The MicroStat has a small footprint with a diameter of 2.2 inches (55.9 mm).

How can the MicroStat be mounted?

It can be surface mounted or integrated with a 3/4-inch NPT pipe mount.

What colors are available for the lenses?

Five lens colors are available: Amber, Blue, Clear, Green, and Red.

Is an LED lamp option available?

Yes, an optional 50,000-hour LED lamp is available.

What is the sound level of the optional sounder?

The optional sounder produces 93-95 dBa at 1 meter (83-85 dBa at 10 feet).

Is the MicroStat compatible with PLCs?

Yes, the MicroStat is PLC compatible and designed to work with PLC outputs, including Triacs.

What is the enclosure rating for the MicroStat?

The MicroStat is a compact, Type 4X status indicator. With an optional sounder, it is rated NEMA Type 1.

What are the available light unit configurations?

The MicroStat comes pre-assembled as 1-, 2-, 3-, 4-, or 5-high light units.

What is the standard lamp type and its life?

The standard light source is a Wedge-Type Lamp #655 with a lamp life of 7,000 hours.

Frequently Asked Questions about Federal Signal

What certifications and standards do Federal Signal products comply with?

Federal Signal products are certified across multiple international standards, including UL (Underwriters Laboratories) in the USA, CSA (Canadian Standards Association), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia and New Zealand). Their products meet rigorous safety and performance standards for industrial environments, with specific compliance in electrical equipment enclosures, functional safety, and environmental protection ratings.

What is Federal Signal's warranty policy?

Federal Signal offers a comprehensive limited warranty covering most products for 1-5 years from the date of delivery, with specific terms varying by product category. Mechanical sirens, beacons, speakers, and sounders typically receive 5-year parts and labor coverage, while electronic sirens and controllers generally have 2-year warranties. All warranties require return to the factory for service, and on-site services are not included. Certain components like domes, lenses, lamps, and batteries are specifically excluded from warranty coverage.

What industries and applications are Federal Signal products used for?

Federal Signal products are used across multiple critical industrial and municipal sectors for notification, communication, and safety systems. Their product lines cover essential applications including fire alarm systems, public address and telephony, outdoor warning systems, visual and audible signals, and emergency communication networks. Key industries served include manufacturing, municipal emergency services, industrial facilities, and infrastructure environments where clear, reliable communication and safety signaling are paramount.

What technical support does Federal Signal offer?

Federal Signal offers comprehensive technical support through their dedicated [email protected] email and direct phone line at +1 708.534.4756. Their support covers a wide range of notification and communication solutions, including technical assistance for products in public address, telephony, fire alarm, visual and audible signals, outdoor warning systems, and intercoms.

What are the main product lines offered by Federal Signal?

Federal Signal offers comprehensive notification and communication solutions across multiple product lines, including Visual Signals, Audible Signals, Telephony, Intercoms, Fire Alarm, Outdoor Warning Systems, Public Address, and Initiating Systems. Their product range is designed to provide clear communications and critical process notifications that enhance safety and compliance in industrial and public environments.

What are the key features of Federal Signal products?

Federal Signal products are comprehensive notification solutions designed to enhance safety and communication across industrial environments. Their key features include visual and audible signals, fire alarm systems, outdoor warning systems, public address capabilities, telephony, and intercoms. These products provide critical process notifications, ensure safety compliance, and offer advanced technologies like secure encrypted communication, cloud-based control systems, and customizable emergency response interfaces.

What environmental ratings do Federal Signal products have?

Federal Signal products offer robust environmental ratings across multiple standards, including UL 508A, CSA, NEMA, and IEC 60529. Their enclosures are rated for Type 1, 2, 3, 4, 4X, 12, and 13 environments, with IP66 protection, and can operate in temperatures ranging from -40°F to 266°F. These ratings ensure superior protection against dust, water, corrosion, and extreme conditions for indoor and outdoor industrial applications.

What accessories are available for Federal Signal products?

Federal Signal offers multiple accessories for their signaling products, including coupling kits, cable entry adapters, indicator rings, legend plates, and mounting brackets. Key accessories include E-Box endcap kits with M20 and M25 openings, U-Brackets for dual configurations, and color-coded indicator rings in black, blue, green, magenta, red, and yellow. Additional options like adapters for NPT connections and specialized mounting hardware are also available for their Global Series signaling platforms.

What communication protocols do Federal Signal products support?

Federal Signal supports multiple industrial communication protocols including PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, and Modbus RTU. These protocols enable flexible network integration across various industrial automation environments, supporting both traditional fieldbuses and modern Ethernet-based communication standards.

How are Federal Signal products typically installed?

Federal Signal products are typically installed using professional mounting configurations that include wall brackets, base stations, and specialized mounting hardware. Depending on the specific product line—such as outdoor warning systems, visual signals, or audible signals—installation involves precise mounting options like wall-mount antenna brackets, base station radio packages, and modular component assemblies. Each product configuration includes specific mounting accessories like endcaps, adapters, and terminal blocks to ensure secure and compliant installation in industrial and safety-critical environments.