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

• 

Remote monitoring of DC system via internet con-
nection 

• 

BCT controlled via web page or SNMP MIB browser 

• 

Includes all the features of our standard 

No-Break 

DC

 UPS systems 

• 

Separate outputs for load and battery 

• 

Battery detection - regular battery presence and 
battery circuit integrity checks 

• 

Deep discharge protection for battery 

• 

ECB for overload protection of battery circuit 

• 

Fused reverse battery polarity protection 

• 

Automatic temperature compensated output volts 

• 

No-Break 

switching between PSU & battery 

• 

LED flash codes for precise state indication 

• 

Two alarm relay outputs st BCT relay 

 

ENVIRONMENTAL

 

Operating   
temperature 

 

Storage temperature 

 

Humidity 

 

Cooling

 

♦ 

24 Month Warranty 

AC Input 
 

 

Frequency 

 

Fusing / Protection 

 
 

Isolation 

 

Efficiency 

 

Inrush current

 

 

Output Power

 

 

Output Voltages

 

 

Voltage adj. range

 

 

Temp. Compensation

 

 

 

Current Limits 

 
 

Line Regulation

 

 

Load Regulation

 

 

Noise 

 

Drift

 

 

Hold-up time

 

 

Thermal Protection 

 

OVP 
 
 
Battery Condition Test 
(BCT) 

 

 
 

 

 

ELECTRICAL  

230V AC: 180V - 264V (standard) 
110V AC: 88V - 132V (on request)

 

 

45- 65 Hz 

 

Input fuse 
Output fuse & ECB for battery 

 

1KV DC input - output / earth 

 

> 85% 

 

Soft start circuit 

 

750W 

 

13.8, 27.6, 34.5, 41.4, 55.2V 

 

85 - 105% of Vout 

 

Temperature sensor on 1.7m lead with adhe-
sive pad: -4mV / °C / cell ±10% 

 

PSU:  

100% rated current 

Battery:  

25-100% PSU current 

 

<0.2% over AC input range 

 

<0.4% open circuit to 100% load 

 

<1% 

 

0.03% / °C 

 

15 - 20 ms (nom. - max. Vin) without battery 

 

Yes, self resetting 

 

Over-voltage protection on output  
at ~ 130% of nominal output voltage 
 
Settings to be specified at time of order. 
Control of BCT is implemented using the 
SNMP software. 
BCT relay  provided to control an external test 
load.   Please do not hesitate to ask our sales 
staff for assistance with this feature. 

0 - 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 non-condensing 

 

Fan cooled 

No-Break

™ FUNCTIONS AND ALARMS*

 

Battery Charge Limit 
 

 

Reverse Polarity 
 

 

Battery Monitoring 
 
 

 

Battery Protection 
 

low battery volts 

 

 
 

overload 

 
 

 

- short circuit  

 

Indication LEDs 
 

 

Alarms 

 

 
 
 
 
 
Alarm Relay contacts 

 

 

Standby Mode 

See Model Table for default settings -  
may be increased to PSU rated current 

 

Battery reverse connection will open internal 
fuse (and produce alarm) 

 

Detects for presence of battery on start up, 
then every 60 minutes when charge current < 
200mA 

 

Electronic Circuit Breaker (ECB) operates 
under the following conditions: 

• 

battery voltage drops to 1.67V/cell  - 
auto reset 

• 

< 300ms for load > 6 x  rated PSU cur-
rent, allows ~1.5x rated PSU current 
from battery without acting,  

• 

< 2ms, backed up by fuse 

 

Green: 

Battery System OK,  Power OK 

Red:   

Standby 

 

• 

Power OK (Mains/PSU fail, standby 
mode) 

• 

Battery System OK -  alarms when battery 
voltage low (on mains fail) , battery miss-
ing, battery circuit wiring faulty, BCT fail (if 
enabled) 

C - NO - NC full changeover rated 1A /50V 
DC, 32VAC 

 

Turns off DC output of PSU & allows load to 
run off battery

 

STANDARDS

 

EMI 

 

Safety

 

to CISPR 22 / EN55022 class A 

 

to IEC950 / EN60950 / AS/NZS3260 

Optional internal V/I 

meter shown 

SPECIFICATIONS   

All specifications are typical at nominal input, full load and at 20°C unless otherwise stated. 

With Ethernet  (SNMP) communication port 

Summary of Contents for SR750i

Page 1: ...w 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 co nz No BreakTM DC UPS with SNMP communications port 750W SR750i LAN...

Page 2: ...ent Batteries and cooling fans also suffer shortened lifetimes if subjected to high ambient temperatures both should be included in a routine maintenance schedule to check for signs of reduced effi ci...

Page 3: ...U MAX CURRENT ELECTRONIC CIRCUIT BREAKER POWER CONVERSION BATTERY MANAGEMENT ALARM CIRCUIT BATTERY CURRENT SENSE OUTPUT VOLTAGE CURRENT LIMIT BATTERY CHARGE CURRENT CONTROL I CHARGE BATTERY TEMP SENSO...

Page 4: ...es of system ensure that they match the equipment All loads should be isolated 2 Check polarity of all wiring Place temperature sensor probe near or on batteries 3 Plug in input power POWER OK LED wil...

Page 5: ...battery detection interval time For full list of LED flash codes please refer to page 7 BATTERY SYSTEM OK LED on Battery present and above V batl POWER OK LED on Input power present STANDBY LED on Ch...

Page 6: ...Bccl Maximum charge current as of rated PSU rated current 2 Comms communications mode of PSU F continuous data stream of status M responds only to request made by a controller M BatDetect Battery dete...

Page 7: ...ttery missing ECB has tripped Normal Alarm Input power off battery system is OK battery volts Vbatl Alarm Alarm Input power off and battery has discharged to V batl Alarm Alarm Input power off ELVD ha...

Page 8: ...Over voltage protection on output at 130 of nominal output voltage Settings to be specified at time of order Control of BCT is implemented using the SNMP software BCT relay provided to control an exte...

Page 9: ...ector for X version Mating screw terminal plug for alarm outputs Crimp lugs for S version OPTIONS 19 Rack Mount Wall Mount Enclosure Parallel redundancy Internal Digital V I Meter MODEL IDENTIFICATION...

Page 10: ...y for very critical applications with redundancy of the battery in addition to the power supply The diodes isolate the units from one another in the event of a short circuit appearing at the other out...

Page 11: ...or high peak loads All No Break alarms are available and the low voltage disconnect for the peak load is optionally implemented with an external relay 5 N 1 for No Break DC charger and single battery...

Page 12: ...es 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 lim ited to the replaceme...

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