Federal Signal MSL2-024AB - MicroStat Incandescent Status Indicator, 2-High, UL and cUL, 24VDC/AC, Amber, Blue
Federal Signal

MSL2-024AB

Alternate Item Number: msl-microstat

UPC: 782979209201


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Installation InstructionsLine DrawingSpecification SheetWarranty

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Overview

The Federal Signal MSL2-024AB MicroStat 2-High Incandescent Status Indicator delivers reliable, high‑visibility status signaling for industrial applications. Designed to operate on a 24VDC/AC power supply, this indicator offers dual‑color illumination—amber for normal operation and blue for alert states—providing clear visual cues in demanding environments. Its 2‑High MicroStat incandescent design ensures robust brightness and long service life, while UL and cUL certifications guarantee compliance with safety standards. Ideal for control panels, machinery, and monitoring systems, the compact footprint of this indicator fits easily into tight spaces without sacrificing performance. Whether you need to signal equipment status, process conditions, or alarm states, the MSL2-024AB provides a dependable solution that meets both functional and regulatory requirements. Upgrade your monitoring systems with Federal Signal’s proven technology and experience improved operational visibility and safety.
  • 24VDC/AC voltage rating for versatile power supply.
  • Dual-color amber and blue for clear status indication.
  • 2-High MicroStat incandescent design ensures reliable illumination.
  • UL and cUL certified safety compliance.
  • Compact size suitable for tight industrial spaces.

Specifications

0.4
A
24
VAC
24VAC/DC
V
7,000
HR
9.8 H x 2.2 W x 2.2 D
IN
Amperage
0.4 A
Amperage Rating
0.4 Amp
Application
Indoor
Brand Name
Federal Signal
Depth
2.2 in
Depth
55.88 mm
Diameter
2.2 in (55.9 mm)
Enclosure
Type 4X
Environmental Conditions
32 to 104 DEG F
Flashing Pattern
Steady/Flashing
Height
9.8 in
Height
248.92 mm
Lamp Life
7,000 HR
Lamp Type
Wedge
Lens Color
Amber;Amber, Blue;Blue
Lens Material
Polycarbonate
Mounting
3/4-Inch NPT Pipe/Surface;3/4-Inch Pipe,Surface
Operating Temperature
32D to +104DF (0D to +40DC)
Operating Voltage
24VAC/DC
Operating Voltage
24
Size
9.8 H x 2.2 W x 2.2 D IN
Special Features
Optional Sound Module Model MSS
Standard
UL Listed/cUL Listed
Standard
UL,cUL
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)
4.44 IN x 2.44 IN x 12.33 IN
Package Dimensions (L x W x H)
11.2776 cm x 6.1976 cm x 31.3182 cm
Package Weight (Imperial)
0.850 L
Package Weight (Metric)
0.386 kg
MicroStat Incandescent Status Indicator, 2-High, UL and cUL, 24VDC/AC, Blue, Clear

MSL2-024BC

MicroStat Incandescent Status Indicator, 2-High, UL and cUL, 24VDC/AC, Blue, Clear
Kit Stack Light BR50-CL

46830303000

Kit Stack Light BR50-CL

Frequently Asked Questions

What are the key features of the MicroStat indicator?

The MicroStat is a compact, Type 4X status indicator with a 2.2 in diameter. It is available in 24VAC/DC or 120VAC, offers five lens colors, and is PLC compatible.

What are the available voltage options for the MSL?

The MSL is available in 24VAC/DC or 120VAC.

What is the diameter of the MicroStat indicator?

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

What mounting options are available for the MicroStat?

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

What lens colors are available for the MicroStat?

The MicroStat is available with five lens colors: Amber, Blue, Clear, Green, and Red.

Does the MicroStat offer an optional sound module?

Yes, an optional sound module (MSS) can be installed, producing 93-95 dBa at 1 meter.

What is the enclosure type for the MicroStat?

The MicroStat features a Type 4X enclosure. With an optional sounder, it is rated NEMA Type 1.

Is the MicroStat suitable for outdoor use?

No, the MicroStat status indicator is designed for indoor use only.

Is the MicroStat compatible with PLC systems?

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

What is the operating current for an MSL2 unit?

An MSL2 unit with two status segments operates at 0.4 amps.

How to Install the MSL MicroStat™ Status Indicator

This guide provides step-by-step instructions for installing and configuring the MSL MicroStat™ Status Indicator, ensuring proper setup and operation.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Terminal connectors, Gasket

  1. Unpack and Inspect the Equipment

    Carefully unpack the MSL MicroStat™ and inspect it for any damage that may have occurred during transit. If damaged, do not proceed with installation and file a claim with the carrier.

  2. Mount the Base

    Remove the colored lenses by twisting the bottom lens counter-clockwise until it unlocks. Lift the lens off and retain the O-rings. Remove the two Phillips head screws to detach the sleeve from the base. Mount the base onto a 3/4" NPT pipe or a flat surface using the appropriate screws, ensuring it is level and securely fastened.

  3. Make Electrical Connections

    Feed the control wires through the NPT opening in the base. Connect the wires to the female terminal block plug, ensuring the correct terminals are used for each lamp position. Reconnect the terminal block plug to the printed circuit board assembly.

  4. Reassemble the Unit

    Ensure that an O-ring is in place on each light module. Reattach the sleeve to the base and secure it with the screws removed earlier. Reassemble the colored lenses onto the base, ensuring each lens is locked in place.

  5. Test the Installation

    Before applying power, double-check all connections and ensure that all screws are tightened. Power on the system and test the MicroStat™ to confirm it operates as intended.

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.