Federal Signal 121SLED Data Sheet

Model 121SLED and 121SLED-N

5.12"/ 130 mm

6.26"/ 159 mm

1/2" NPT
Pipe Mount

LED Lamp

Elliptical Dome
(12" Curvature
Radius)

Screw

in base

Junction box
(not supplied)

1/2" conduit
(not supplied)

121SLED

Wiring
Black to Line

(L or L1)
White to Neutral

(N or L2)
Green/yellow to Earth

(Ground)
Wire nuts not supplied.

Wiring

Vitalite® LED Rotating Light

Installation and Maintenance Instructions

Limited Warranty: This product’s limited warranty
can be found at www.fedsig.com/SSG-Warranty.

Safety Messages to Installers and Users : Products should be installed to code by a licensed electrician
and follow all safety instructions. Failure to do so may result in property damage, serious injury, or death.

• Read and understand instructions before installing or operating equipment.

• To avoid electrical shock hazards, do not connect wires when power is applied.

• To be an effective warning device, this product produces bright light that could be hazardous to eyesight.

The possibility exists that rapid ashing lights could induce photosensitive epilepsy. Do not stare directly at
the light.

Overview: Models 121SLED and 121SLED-N rotating LED warning lights are designed for mounting on a at
(horizontal or vertical) surface or on a 1/2” NPT threaded pipe. Units are available in 120VAC 50/60 Hz.

Certifications and Ratings:

• UL and cUL Listed

• Type 4X, IP66 enclosure. Indoor/Outdoor Use

• IP69K Compliant

• Model 121SLED-N is NSF Certied (dome-up) for
Splash Zones and Non-food Zones to
NSF/ANSI 2: Food Equipment

• Electrical ratings: 120VAC 50/60Hz, 0.075A

• Certied operating temperature:

-40°F to 150°F (-40°C to 66°C)

Installation:

Unpacking the Device: After unpacking the device, examine it

for damage and verify parts. Unit comes with: (1) 121SLED or
121SLED-N assembled unit with ying leads, (1) panel mount

gasket, and (3) # 8-32 panel mounting tapping screws. If a part

is missing or damaged do not install. Contact Federal Signal
Customer Support at
[phone] or [e-mail].

Electrical Connections : To avoid electrical shock, do not

connect wires when circuits are energized. Use 18AWG eld

wiring or larger.

• 120VAC 50/60Hz Models – Connect the line (L or L1)

power source lead to the black wire and connect the neutral

(N or L2) power source lead to the white wire. Connect

ground to the green/yellow wire if required.

Mounting the device: Units come standard to mount on a
at (horizontal or vertical) surface or a 1/2" NPT pipe. Model
121SLED-N (NSF Certied) must be mounted in a dome up position to resist water and debris accumulation
and maintain the NSF Certication. Wall or corner mounting accessories are sold separately.

• Pipe Mounting – On a 1/2" NPT Pipe, feed wires through pipe and turn clockwise to tighten.

• Surface/Panel Mounting – Using provided gasket as template, mark three mounting holes and center

Recommended tightening torque is 5-ft-lbs (6.8 N-m).

hole for wiring. Drill or punch 3/16" (4.8mm) diameter holes for mounting and a 1" (25.4mm) for wiring. Set

base on gasket, feed wires through center, and attach to the mounting surface using provided #8 tapping
screws from the underside.

• Wall/Corner Mounting – Wall (Models LSWB,

LWMB2) and corner (Model LCMB2) brackets are

sold separately and intended for use with model

121SLED only. Mounting bracket accessories are not
NSF Certied and incompatible for use with Model
121SLED-N.

Note: LWMB2 and LCMB2 are Type 3R rated. If

installing in combination with a 4X device, the unit is
Type 3R rated. When Type 4X is required, pair with
Model LSWB.

Testing/Operating: After installation, test the system to

verify each signal operates and establish a program for periodic testing of the device. Provide copy of these
instructions to all operating personnel.

LWMB2LSWB

LCMB2

Maintenance and Service

Ordering Replacement Parts and Accessories: Consult product datasheet online for an updated list

of replacement parts. If your product requires a part that is not available for purchase, your unit must be
repaired or replaced.

Replacing the LED Lamp:

1. SHOCK HAZARD! – Disconnect power. Allow the lamp to cool.

2. Remove the set screw located at the bottom of the dome.

3. Grasp the top of the dome and push it down while turning dome counterclockwise.

4. Remove dome and ensure the gasket between the dome and base is secured.

5. Grasp lamp near the base and gently push toward socket while turning counterclockwise.

6. Insert the new lamp while gently pushing it toward the socket and turning clockwise.

7. Before replacing dome, ensure the gasket is properly seated on the housing base.

8. Place dome over base and aligning recesses inside dome lip with four pins on the base.
Push down on the dome and turn clockwise until it locks in place (approximately ¾").

9. Replace set screw on the bottom of the dome.

10. Test the light for proper operation.

Technical Assistance: Contact our technical support team at [phone] or signalsupport@fedsig.

com.

Repair Service: A return authorization is required. Contact your Authorized Distributor or Federal Signal
Customer Support at [phone] or [e-mail]. Defective products under warranty will be

repaired or replaced at Federal Signal’s discretion. Lamp failures excluded.

Product Returns: A return authorization is required from Federal Signal prior to returning the product.
Contact your Authorized Distributor for more information or to request a product return.

2645 Federal Signal Drive
University Park, Illinois 60484

Additional translations available at www.fedsig.com
Traducciones adicionales disponibles en www.fedsig.com

Customer Support 1-800-344-4634
[phone], [e-mail]

Technical Support 1-800-755-7621
[phone], [e-mail]

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