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Magnum First - 1 Seneca Street, 29th Floor, M55 - Buffalo, NY 14203 - phone 716-293-1588 - www.magnumfirst.com - [email protected]

Product Installation Guide

Automatic Load Control Relay 

M

9

-ALCR

OVERVIEW

WIRING

EXAMPLES OF USE

The Magnum M

9

-ALCR is a UL 924 listed emergency lighting control device.  This device is designed to ensure a 

“lights on state” during a power outage.  The M

9

-ALCR senses when a power outage occurs and switches on the 

connected emergency lighting load to full brightness, bypassing any normal lighting switches and dimmer controls.

ELECTRICAL SPECIFICATIONS

Dim Relay Output

 (Violet / Red)

Dim Relay Input

 (Violet)

SPST-NO Relay Output

 (Black / Blue)

SPST-NO Relay Input

 (Blue / Black)

Utility HOT Input

 (Black)

Utility Neutral Input

 (White)

SPST-NC Relay Out

 (Red / Blue)

SPST-NC Relay Input

 (Blue / Red)

(-)

 (Gray)

(+)

 (Red)

Rated for indoor use only.  UL, cUL listed Emergency Lighting and Power under UL 924 at line voltages of 120 and 

277 VAC, 60 Hz.

• Load Rating of 10A Max at 277 VAC

WARNING: Risk of electric shock! The M

9

-ALCR utilizes high voltage and should only be 

installed by a qualified installer or electrician.  Follow all local codes for installation and follow 

the proper lockout/tag out procedures per NFPA Standard 70E.

1.

 Turn off all electrical power supplying this equipment before working on or inside the equipment, including 

the emergency lighting circuit.  Always use a properly rated voltage sensing device to confirm that power is off.

2.

 Feed the M

9

-ALCR wiring through the preferred mounting box knockouts.

3.

 Attach the M

9

-ALCR to the exterior of the junction box or panel with the ½” threaded nipple.

4.

 Wire the M

9

-ALCR according to the wiring diagram in the wiring section; follow all applicable national and 

local electrical codes.

WARNING: Before terminating the AC power wiring verify the breakers for the normal power and 

emergency power are in the off position and follow the proper lockout/tag out procedures per NFPA 

Standard 70E

INSTALLATION

IMPORTANT SAFEGUARDS

When using electrical equipment, basic safety precautions should always be followed including the follow:

• READ AND FOLLOW ALL SAFETY INSTRUCTIONS.

• Do not use outdoors

• Install this unit to an approved electrical enclosure only.  This emergency device must be installed in 

locations and at heights where it will not readily be subjected to tampering by unauthorized personnel.

• The use of accessory equipment not recommended by the manufacturer may cause an unsafe condition.
• Do not use this equipment for other than intended use.

SAVE THESE INSTRUCTIONS

Emergency 

Power

Utility 

Power

Utility 

Power

UL

1008

E508564

Normal

Panel

Normal / 

Emergency 

Panel

Magnum

UL924

M9-ALCR

NO

Utility Hot

Utility Neutral

Normal Sense

Output

Input

SR Driver

MLD

Light Fixture

(Normal / 

Emergency)

Emergency 

Power

Utility 

Power

Utility 

Power

UL

1008

Magnum

USR Relay

Normal

Panel

Normal / 

Emergency 

Panel

Magnum

UL924

M9-ALCR

NO

NC

Utility Hot

Utility Neutral

Normal Sense

Hot

Relay IN Hot

N

Dim (-)

Violet

Violet / Red

Black /Blue

Blue / Black

Blue / Red

Black

White

Red / B

lue

Dim (+)

Light Fixture

(Normal / 

Emergency)

Configuration 2

Configuration 1

 2.439 

 2.939 

 2.319 

A

A

 R.563 

 R.320 

 .060 

 .060 

 73.74° 

 .071 

 2.26° 

 2.94° 

 .044 

 .049 

 .824 

SECTION A-A

 1.250 

 .900 

 .550 

D

C

B

A

A

B

C

D

1

2

3

4

5

6

7

8

8

7

6

5

4

3

2

1

THE INFORMATION CONTAINED IN THIS

DRAWING IS THE SOLE PROPERTY OF

<INSERT COMPANY NAME HERE>.  ANY 

REPRODUCTION IN PART OR AS A WHOLE

WITHOUT THE WRITTEN PERMISSION OF

<INSERT COMPANY NAME HERE> IS 

PROHIBITED.

PROPRIETARY AND CONFIDENTIAL

NEXT ASSY

USED ON

APPLICATION

DIMENSIONS ARE IN INCHES

TOLERANCES:

FRACTIONAL

ANGULAR: MACH      BEND 

TWO PLACE DECIMAL    

THREE PLACE DECIMAL  

INTERPRET GEOMETRIC

TOLERANCING PER:
MATERIAL

FINISH

DRAWN

CHECKED

ENG APPR.

MFG APPR.

Q.A.
COMMENTS:

DATE

NAME

TITLE:

SIZE

B

DWG.  NO.

REV

WEIGHT: 

SCALE: 1.25:1

UNLESS OTHERWISE SPECIFIED:

SHEET 1 OF 1

Relay 2-1

DO NOT SCALE DRAWING

TESTING - FOR CONFIGURATION 2

MAINTENANCE

1. Switch 1 light off using wireless switch (M9-ESRP or M9-ASW1)

2. Press Test Button and Keep Depressed – Light will turn on to full brightness

3. Release button – Light will shut off

No maintenance is required to keep the MX-ALCR functional.  However, regular testing should be performed.

NOTE: USE THIS 

CONFIGURATION 

(1) IF AT LEAST

5 SECONDS

SWITCH-OVER 

DELAY TIME CAN

BE GUARAN-

TEED.

SR/DA+

SR/DA+

SR/DA-

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