
Contact for Pricing
Overview
- Compact 2.2" diameter design for space-constrained installations
- Available in 24V AC/DC or 120V AC configurations
- Supports surface and 3/4-inch NPT pipe mounting options
- Five lens colors: Amber, Blue, Clear, Green, Red
- Optional 50,000-hour LED lamps and sound module (MSS)
- Type 4X enclosure for dust and water resistance
- PLC-compatible with Triac output support
- UL and cUL Listed for industrial safety compliance
- Vibration-resistant wedge lamp for reliable optical performance
- NEMA Type 1 rated with optional sounder
Specifications
4 H x 3/4 W x 3/4 D | IN |
Application | Indoor |
Brand Name | Federal Signal |
Depth | 3/4 in |
Depth | 21 mm |
Height | 4 in |
Height | 101.6 mm |
Size | 4 H x 3/4 W x 3/4 D IN |
Special Features | Corrosion Resistant |
Sub Brand | MicroStat |
Type | Parts Signaling;Status Indicator Optional Accessory |
Width | 3/4 in |
Package Dimensions (L x W x H) | 11 IN x 5 IN x 5 IN |
Package Dimensions (L x W x H) | 27.94 cm x 12.7 cm x 12.7 cm |
Package Weight (Imperial) | 0.250 L |
Package Weight (Metric) | 0.113 kg |

USI-120QC
UniStat LED Status Indicator, 120VAC, 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-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.
MSL1L-024A
MicroStat LED Status Indicator 1 High 24VAC/DC Amber - 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.
USI-024TC
UniStat LED Status Indicator, 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.Frequently Asked Questions
What is the sound output of the MSS Sound Module?
The MSS Sound Module produces 83-85 dBa at 10 feet and 93-95 dBa at 1 meter.
What operating voltages are available for the MSS Sound Module?
MSS Sound Modules are available in 24VDC and 120VAC operating voltages.
How does the MSS module affect the MicroStat's Type rating?
Adding the MSS sound module to the MicroStat changes its Type rating from 4X to Type 1.
What is the operating current for the MSS Sound Module?
The MSS Sound Module operates at 0.03 amps for 24VDC and 0.04 amps for 120VAC.
How can the MicroStat or UniStat base be mounted?
The MicroStat or UniStat base can be pipe-mounted or surface-mounted.
Is a special base needed for surface mounting with pipe extensions?
Yes, the MSTB tulip base is required for a true surface mount when using pipe extensions.
What operating voltages are available for MicroStat flashers?
Flashers for the MicroStat are available in 24VDC and 120VAC operating voltages.
What is the flash rate for MicroStat flashers?
MicroStat flashers operate at a flash rate of 75 FPM (flashes per minute).
How do I wall mount a MicroStat or UniStat?
Wall mounting the MicroStat or UniStat is simple using the MSLBRCKT wall mounting bracket.
What LED colors are available for the MicroStat?
Five plug-in LEDs are available for the MicroStat: Amber, Blue, Clear, Green, or Red. These MSLEDs replace the lamp in any MSL light module.
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.



