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b.   Tripped PTC (R248ULCB) - To reset PTC, set power disconnect circuit breaker on back of unit to the 

OFF position. After approximately 30 secs. set power disconnect circuit breaker to the ON (RESET) position 
(Fig. 1d, pg. 3)

11.  Illuminated power disconnect circuit breaker with manual reset: 

OFF position - Switch not illuminated. Outputs not powered. 

RESET (ON) position - Circuit breaker illuminated. Outputs powered. 

Circuit breaker tripped - Circuit breaker is not illuminated. Power LEDs on faceplate are not illuminated. 

Outputs not powered. 

To reset circuit breaker set power disconnect circuit breaker to RESET (ON) position (Fig. 1d, pg. 3)

Note:   Do not exceed units electrical load ratings as indicated in reference chart (pg. 2). 

Do not place mechanical load on unit. Unit is designed optimally for normal data room office installations. 

Data racks should always be properly ventilated. 

CAUTION: Equipment to be installed/serviced by authorized personnel only. 

Shut brunch circuit power before servicing/installing equipment. 

WARNING: To reduce the risk of fire or electric shock, do not expose the unit to rain or moisture. 

This installation should be made by qualified service personnel and should conform to the National 

Electrical Code and all local codes. 

Fig. 1 

Fig. 1a  

Fig. 1b 

Fig. 1c 

Fig. 1d 

PTC1 

Used 

on PTC 

Models 

ALTRONIX CORP. 

BROOKLYN, NY 11220 

MADE IN USA 

P

N

AC Power 

LED's 

AC Power 

LED's 

Divider 

Removable Terminal 

Block 

(Green Wire 

Earth GND)

Fuse 

XFMR

 

Illuminated 

Power Disconnect 

Circuit Breaker with 

manual reset 

Strain Relief 

Line Cord 

S

 

P

 

N

 

S

 

P

 

N

 

24VAC Output 

(Factory Set) 

28V

AC (Black)

24V

AC (Y

ellow)

COM (Brown)

28V

AC (Black) 

24V

AC (Y

ellow)

COM (Brown) 

28VAC Output 

Fig. 1e 

R248UL Series  

- 3 ­

                    Available from A1 Security Cameras 

     www.a1securitycameras.com   email: [email protected]

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