
Federal Signal RSL-WMHM-120-240BK Radiant Wiring Module, Multifunctional, UL and cUL, 120-240VAC, Black
Alternate Item Number: radiant-wiring-modules
UPC: 782979236269
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Contact for Pricing
Call +1 (262) 252-1600 (toll-free 877-268-3700) or email [email protected] for pricing and availability.
Overview
- Multifunctional wiring module for diverse industrial applications
- Operates on wide voltage range: 120-240 VAC
- UL and cUL certified for assured safety and compliance
- Durable black housing for robust performance in demanding environments
- Compact design for seamless integration into electrical panels
Specifications
120-240 | VAC |
120-240VAC | V |
4.27H x 2.75W x 1.97D | IN |
Application | Indoor/Outdoor |
Brand Name | Federal Signal |
Color | Black |
Connection Type | Screw Terminal |
Depth | 1.97 in |
Depth | 50.038 mm |
Enclosure | Type 4X, IP65, IP69K |
Environmental Conditions | -22 to 122 DEG F |
Flashing Pattern | Multi-Pattern/Steady/Rotating |
Frequency | 50/60 Hz |
Height | 4.27 in |
Height | 108.458 mm |
Mounting | Surface/Wall/NPT pipe |
Mounting Type | Panel Mount |
Operating Temperature | -22° to +122°F (-30° to +50°C) |
Operating Voltage | 120-240VAC |
Operating Voltage | 120-240 |
Series | RSL |
Size | 4.27H x 2.75W x 1.97D IN |
Special Features | Four Flash Patterns |
Standard | UL Listed/cUL Listed/CE Certified |
Sub Brand | Radiant |
Type | Wiring Module |
Voltage Rating | 120-240 VAC |
Width | 2.75 in |
Width | 69.85 mm |
Package Dimensions (L x W x H) | 4.75 IN x 3.25 IN x 3.25 IN |
Package Dimensions (L x W x H) | 12.065 cm x 8.255 cm x 8.255 cm |
Package Weight (Imperial) | 0.440 L |
Package Weight (Metric) | 0.200 kg |

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.
MSL2-024R-MSF
Microstat Status indicator, 2-High, 24VDC/AC, Sounder, Flashing, 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.
MSL2-120B-MSF
Microstat Status indicator, 2-High, 120VAC, Sounder, Flashing, Blue - 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.
MSL2-120R-MSF
Microstat Status indicator, 2-High, 120VAC, Sounder, Flashing, 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.Frequently Asked Questions
What is the operating voltage for the RSL-WMHM module?
The RSL-WMHM multi-pattern wiring module operates on 120-240VAC.
How many light effects does the RSL-WMHM module offer?
The RSL-WMHM multi-pattern wiring module provides four distinct light effects.
Does the RSL-WMHM wiring module include a top cap?
Yes, a top cap is provided with each wiring module, including the RSL-WMHM.
What pipe size is required for the Pipe Base?
The Pipe Base is designed for installation on a 1/2 inch NPT pipe.
What additional lift does the Extended Base provide?
The Extended Base allows for an additional lift of 3.94 inches (100 mm) when mounted on a flat surface.
What lengths are available for the Tube Base?
Tube Base lengths are 5.55 inches (141mm), 9.49 inches (241mm), 13.43 inches (341mm), and 17.36 inches (441mm).
When is the Flat Base recommended for mounting?
The Flat Base is recommended for flat surface mounting when cabling from the bottom and a compact design is needed.
What is the Wall Base designed for?
The Wall Base is designed for lateral or wall mounting of the stack light.
What type of module is the RSL-WMHM?
The RSL-WMHM is a multi-pattern wiring module designed for the Radiant modular stack light system.
How many modules can a Radiant stack light accommodate?
A Radiant modular stack light can accommodate up to 7 light modules, or 6 light modules and 1 sound module, or 5 light modules and 1 two-channel sound 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.

