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Installation Instructions for 125 Class Beacons,               

STROBE Models

Description

Edwards 125 Class Strobes are UL and cUL listed signaling 

appliances rated for NEMA 4X applications.  There are two 

versions of strobes available:  Normal Light Output and High 

Light Output.  Both types can be either surface or conduit 

mounted.  A protective wire guard, Cat. No. 125GRD, is also 

available.

Electrical Specifications

GRAY BASE

BLACK BASE

Catalog Number Catalog Number

Voltage

Current

High Output Strobe - 300,000 Peak Candlepower

125STRH*120A

125STRH*120AB

120V AC 50/60 Hz

0.120A

Maximum capacitor operating temperature (Tc) is 185°F (85°C).

Normal Output Strobe- 175,000 Peak Candlepower

125STRN*1248D

125STRN*1248DB

12 - 48V DC

0.350A

125STRN*120A

125STRN*120AB

120V AC 50/60 Hz

0.100A

125STRN*240A

125STRN*240AB

240V AC 50/60 Hz

0.050A

*Letter in this position designates lens color:  

A - amber, B - blue, C - clear, G - green, or R - red

Mechanical Specifications

Outdoor Locations

Temperature Ratings ........... -31F to +150F (-35C to +66C)

Installation

WARNING

To prevent electrical shock, ensure that 

power is turned off before installing the 

Conduit Mounting (Figure 1)

1.  Thread the 12" (45.7 cm) signal wire leads through 1/2" 

(13mm) conduit into an approved conduit outlet box.

2.  Thread the conduit onto the base of the signal.
3.  Using wire nuts (not supplied), connect the signal's wire 

leads as shown in Figure 1.  Polarity must be observed 

for DC models.  For AC models, polarity is not important.

Panel Mounting (Figure 2)
Note:

  When panel mounting the beacon, the surface and 

construction details of the panel must be taken into 

consideration in order to ensure that the integrity 

of the outdoor, NEMA 4X rating is fully maintained.  

Installer should evaluate.

1.  Place the mounting gasket (supplied) over the hole in 

the panel and route the signal wires through the gasket 

and the hole in the panel.

2.  Insert the base through the hole in the panel and screw 

the locking nut (supplied), with the raised locking edge 

facing the mounting surface, onto the base to secure the 

beacon.

3.  Using wire nuts (not supplied), connect the signal's wire 

leads as shown in Figure 2.  Polarity must be observed.

Maintenance

WARNINGS

To prevent electrical shock, ensure 

power is turned off before installation or 

maintenance.
To avoid risk of injury, install lens before 

energizing.

Cleaning

To maintain optimum light visibility, the exterior lens surfaces 

should  be periodically  cleaned with a soft clean cloth us-

ing water and a mild detergent.  Disconnect power before 

cleaning.

Strobe Tube Replacement

1. 

Conduit Mounted Modules:

  Disconnect wiring and, if 

necessary, unscrew base from conduit (Figure 1).

 

Panel  Mounted  Modules:

    Disconnect  wiring  and 

remove locking nut that secures the base to the panel 

(Figure 2).

2.  Remove screws that secure the lens to the base from 

bottom of base and remove lens.

CAUTION: Do not touch strobe tube while hot.

P/N 3101651 ISSUE 3

© 2010

http://www.edwardssignaling.com  Phone:  (800) 336-4206  Fax:  (800) 454-2363

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