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Model Codes:
SR250A/SR500A/SR750A
SR250D/SR500D/SR750D
SR250L/SR500L/SR750L
SR250P
SR250M
Specifications are subject to change without notice.
Phone: +64 9 835 0700
Fax:
NZ Freephone: 0800 654 668
AU Freephone: 1800 148 494
Email: info@innovative.co.nz
User Manual
SR250A/SR500A/SR750A
AC/DC POWER SUPPLY & FLOAT CHARGER
(for lead acid batteries)
No liability accepted for errors or omissions.
+64 9 837 3446
= 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
www.innovative.co.nz
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Summary of Contents for Innovative SR250A
- Page 1 Phone: +64 9 835 0700 Fax: +64 9 837 3446 www.innovative.co.nz NZ Freephone: 0800 654 668 AU Freephone: 1800 148 494 Email: info@innovative.co.nz User Manual SR250A/SR500A/SR750A AC/DC POWER SUPPLY & FLOAT CHARGER (for lead acid batteries) Model Codes: SR250A/SR500A/SR750A = Standard...
- Page 2 INTRODUCTION The SR250A-750A range is designed for use as a very accurate AC to DC power supply, or float charger for lead acid batteries. Note that for float charging the output voltage must be set to approximately 15% above the nominal battery voltage.
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Page 3: Mains Fail
3.3. -L Alarm version (with DC high alarm) DC OK LED: Slow flash: DC LOW Settings: PSU: 0.83 xVnom. Charger: 1.83V/cell Fast flash: DC HIGH Settings: PSU: 1.2 x Vnom Charger: 2.5V/cell ALARM TERMINAL LAYOUT (for -D & -L* versions): DC HIGH * MAINS FAIL DC OK... -
Page 4: Specifications
Global Solutions Personal Focus incl. SR250D, SR250L, SR250P Industrial quality AC/DC power supply Standalone - bench top or fixed mounting Front panel controls & indication Suitable for float charging of lead acid batteries Optional serial communications port, SR250L Optional relay alarm outputs - model SR250D,P Conservative design for long life Optional DC input Precise voltage and current control... - Page 5 250 Watt AC/DC Stand Alone Power Supply/Float Charger incl. SR250D, SR250L, SR250P STANDARD MODEL TABLE Power Supply Battery Charger Adjustable Output MODELS Output Output Output range (V) Volts Current (A) Current (A) Volts * Please specify on ordering if the (factory default) (continuous) (Charging)
- Page 6 Global Solutions Personal Focus incl. SR500D, SR500L Industrial quality AC/DC power supply Standalone - bench top or fixed mounting Front panel controls & indication Suitable for float charging of lead acid batteries Suitable for parallel operation Conservative design for long life Precise voltage and current control Optional temperature compensation for charging Optional relay alarm outputs...
- Page 7 500 Watt AC/DC Stand Alone Power Supply/Float Charger incl. SR500D, SR500L STANDARD MODEL TABLE Power Supply Battery Charger * Please specify on ordering that unit is to be used for float charging Adjustable Output Output Output Output MODELS (except for 12V model which is set range (V) Current (A) at 13.8V by default).
- Page 8 incl. SR750D, SR750L Global Solutions Personal Focus Industrial quality AC/DC power supply Standalone - bench top or fixed mounting Front panel controls & indication Suitable for float charging of lead acid batteries Suitable for parallel operation Conservative design for long life Precise voltage and current control Optional temperature compensation for charging Optional relay alarm outputs...
- Page 9 750 Watt AC/DC Stand Alone Power Supply/Float Charger incl. SR750D, SR750L STANDARD MODEL TABLE Power Supply Battery Charger * Please specify on ordering that unit is to be used for float charging Adjustable Output Output Output Output MODELS (except for 12V model which is set range (V) Volts Current (A)
- Page 10 CONNECTION FOR PARALLEL REDUNDANCY Two or more SRxxxA, SRxxxD or SRxxxL power supplies may be connected in parallel for increased power or parallel redundancy. Figure 1 below shows two SR xxx D units connected with external diodes. It is essential that the wiring from each unit to the load is kept identical for equal power sharing particularly when diodes are not used.
- Page 11 Safety The user is responsible for ensuring that input and output wiring segregation complies with local standards and that in the use of the equipment, access is confined to operators and service personnel. A low resistance earth connection is essential to ensure safety and additionally, satisfactory EMI suppression (see below). HAZARDOUS VOLTAGES EXIST WITHIN A POWER SUPPLY ENCLOSURE AND ANY REPAIRS MUST BE CARRIED OUT BY A QUALIFIED SERVICEPERSON.
- Page 12 Innovative Energies Ltd warrants its power supplies for 24 months (two years) from date of shipment against material and 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.
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