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Warranty

 - A limited warranty on materials and workmanship is given with this FW Murphy product.  A copy of the warranty 

may be viewed or printed by going to www.fwmurphy.com/support/warranty.htm 

 

 

Specifications 

Sentry Model 

Power Supply 

ƒ

 

Nominal operating voltages:  120V units 

ƒ

 

Permissible voltage variation:  

±

 6% of nominal 

ƒ

 

Nominal operation frequency:  50-60Hz 

DC Charge Output 

ƒ

 

Maximum current ADC: 5

 

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Nominal voltage VDC: 12

 

Float/Boost Voltages 

Battery Type 

Float Volts (VDC)  Boost Volts (VDC)

12V Lead Acid (6 cells) 

13.6 

14.1 

 

Charge Fail Output 

ƒ

 

Relay type:  volt free SPDT contacts; relay de-energized on fault 

ƒ

 

Contact rating:  1A at 30V, DC (resistive load) 

General 

ƒ

 

Operating temperature:  +14 to +131

°

F (-10 to +55

°

C) 

ƒ

 

EMC emission/immunity:  EN 58801-2 / EN50082-2 

Model Info 

ƒ

 

BCES-12-5 12 volt, 5A, lead acid cells 

 

 

Guardian Model 

Power Supply 

ƒ

 

Nominal operating voltages:  120VAC 

±

 6% 

ƒ

 

Permissible voltage variation:  120VAC 

±

 6% 

ƒ

 

Nominal operation frequency:  50-60Hz 

DC Charge Output 

ƒ

 

Maximum current ADC: 20/20

 

ƒ

 

Nominal voltage VDC: 24/12

 

Float/Boost Voltages 

Battery Type 

Float Volts (VDC)  Boost Volts (VDC)

12V Lead Acid (6 cells) 

13.6 

14.1 

24V Lead Acid (12 cells)

27.2 

28.2 

 

Charge Fail Output 

ƒ

 

Relay type:  volt free SPDT contacts; relay de-energized on fault 

ƒ

 

Contact rating:  1A at 30V, DC (resistive load) 

 

 

Normal Output VDC 

 12 

24 

Under Volts Alarm 

12.5 

25 

Over Volts Alarm 

15.5 

31 

Delay on under volts 

120 seconds 

 

General 

ƒ

 

Operating temperature:  +14 to +131

°

F (-10 to +55

°

C) 

ƒ

 

EMC emission/immunity:  EN 58801-2 / EN50082-2 

Mounting hole dimensions: 

ƒ

 

Width (between holes): 6.8” (173mm) 

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Height (between holes):  10” (255mm) 

ƒ

 Mounting 

holes 

=0.2” (6mm) 

Model Info 

ƒ

 

BCEG-12-10 12 volt, 10A, lead acid cells 

ƒ

 

BCEG-24-10 24 volt, 10A, lead acid cells 

ƒ

 

BCEG-24-20 24 volt, 20A, lead acid cells 

 

 

 
 

 
 

 

 

 

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