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Specifications are subject to change without notice.     No liability accepted for errors or omissions.

 

Model Codes: 

SR250A/SR500A/SR750A 

 

 

 

SR250D/SR500D/SR750D  

  

 

 

 

SR250L/SR500L/SR750L                                        

 

 

 

 

 

 

 

SR250P 

 

 

 

SR250M                                           

= Standard 
= Standard with alarms 
= ‘D’ version with extra output alarm (LV versions only 
  for SR500L and S750L) 
= ‘D’ version with built-in output diode (24V & above) 
=  for use with OVP input protection units 

AC/DC POWER SUPPLY & FLOAT CHARGER 

(for lead acid batteries) 

 

SR250A/SR500A/SR750A 

User Manual 

www.innovative.co.nz 

Phone:  +64 9 835 0700 
Fax:  

+64 9 837 3446 

NZ Freephone: 0800 654 668 
AU Freephone: 1800 148 494

 

Email: [email protected] 

Summary of Contents for SR250A

Page 1: ...dard with alarms D version with extra output alarm LV versions only for SR500L and S750L D version with built in output diode 24V above for use with OVP input protection units AC DC POWER SUPPLY FLOAT CHARGER for lead acid batteries SR250A SR500A SR750A User Manual www innovative co nz Phone 64 9 835 0700 Fax 64 9 837 3446 NZ Freephone 0800 654 668 AU Freephone 1800 148 494 Email info innovative c...

Page 2: ...rolyte level of flooded cells as there is always some evaporation Where screw plug in terminals are fitted eg SR500A24FXL and there are two terminals provided for each polarity both terminals must be used This is to ensure that the current rating of the terminal block is not exceeded LED INDICATION DC OK 2 POWER OK 3 STANDBY NORMAL ON ON OFF STANDBY As above OFF ON MODE DC LOW 4 OFF ON OFF MODE LE...

Page 3: ...G Frame Ground Where provided this terminal provides a connection to the metal case for an earthing point 7 STANDBY FUNCTION Pushing the STANDBY button turns the output of the power supply off If there is a battery con nected the DC OK LED remains on even though the power supply is turned off except for P ver sions with output diode Relay contacts shown in de energised state ie when there is a fau...

Page 4: ...OVP Thermal Protection Isolation Efficiency Inrush current Output Power Output Voltages Voltage adj range Line Regulation Load Regulation Noise Drift Hold up time ELECTRICAL 180 264 or 88 132V 45 65Hz internal link select 110VDC 99 150 or 220VDC 180 270 specify at time of order if DC input required Internal input fuse Constant current limit under overload and short circuit conditions Over voltage ...

Page 5: ...36 SR250A36 36 6 9 41 4 6 0 34 43 SR250A48 48 5 2 55 2 4 5 45 57 SR250A7 5 7 5 20 6 9 20 6 8 8 SR250A60 60 4 1 69 0 3 6 54 66 STANDARD MODEL TABLE Please specify on ordering if the unit is to be used for float charging except for 12V model which is set at 13 8V by default MODEL IDENTIFICATION CODES SR250A12 T F S L 485 L 230V AC switch Blank 230V AC no switch U 110V AC switch G 110V AC no switch H...

Page 6: ...Refer to model table 0 2 over AC input range 0 4 open circuit to 100 load 1 0 03 C 15 20 ms without battery Yes self resetting Yes Addition of external output diodes optional Use SR500D with external output diodes ENVIRONMENTAL Operating temperature Storage temperature Humidity Cooling 0 to 50 C ambient at full load De rate linearly 50 C to no load 70 C 10 to 85 C ambient 0 95 relative humidity no...

Page 7: ...ailable Code SR RM2U Optional V I meter Code SR METER PSU may be fitted into enclosure with MCBs and terminals Code SEC SR 500 Watt AC DC Stand Alone Power Supply Float Charger incl SR500D SR500L MODELS Power Supply Battery Charger Output Volts factory default Output Current A Output Volts Charging Output Current A Charging SR500A12 13 8 36 2 41 6 12V 13 8 36 2 11 14 SR500A24 24 20 8 27 6 18 2 22 ...

Page 8: ...0 of nominal output voltage 85 Soft start circuit 750W Refer to model table 0 2 over AC input range 0 4 open circuit to 100 load 1 0 03 C 15 20 ms without battery Yes self resetting Yes Addition of external output diodes optional Use SR750D with external output diodes ENVIRONMENTAL Operating temperature Storage temperature Humidity Cooling 0 to 50 C ambient at full load De rate linearly 50 C to no...

Page 9: ...83 V out As SR750D DC high alarm NB no alarm relay fitted on HV versions only LED indication C NO NC changeover rated 1A 50V DC 32VAC 110VDC 99 150 or 220VDC 180 270 Please note that an external fuse or MCB must be fitted on the output for short circuit protection Detects leakage to earth of DC output and provides relay output Code ALARM EFDM 20 60V ALARM EFDH 61 150V OPTIONS continued Communicati...

Page 10: ...sted below The SRxxxP series identifies when an in ternal diode is fitted in the power supply Figure 2 shows two SRxxxP units connected in parallel CONNECTION FOR PARALLEL REDUNDANCY INTERNAL diodes in negative leg can be fitted to the following models only 100W SR100P24 SR100P36 SR100P48 250W SR250P24 SR250P30 SR250P36 SR250P48 SR250P60 All other models have diodes external to the power supply eg...

Page 11: ...s of reduced effi ciency Water Dust Every effort must be made in the installation to minimise the risk of ingress of water or dust Water will almost always cause instant failure The effects of dust are slower in causing failure of electronic equipment but all electrical equip ment should be cleaned free of any dust accumulation at regular intervals This is particularly important where internal fan...

Page 12: ... workmanship defects Innovative Energies liability under this warranty is limited to the replacement or repair of the defective product as long as the product has not been damaged through misapplication negligence or unauthorized modification or repair 21 12 11 DIMENSIONS FOR SR250 76 5 mm 60 mm 80mm 242mm 80mm 80mm 242mm 253mm 80mm 162mm 150mm 270mm 278mm NOTE power cord protrudes 172mm 80mm The ...

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