MURATA-PS SP1470

SP1470
Celab
Telephony 750 Watts Uninterruptible Power Supply
Specification
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Integrated battery management system.
Designed for street cabinet applications.
Non latching thermal protection.
10A output with separate 4A charging facility.
Output voltage adjustable from 54V to 58V DC.
Automatic and remote controlled battery condition testing.
Comprehensive range of management alarms.
Input Voltage
230VAC, +15% - 10% Single Phase
Input Frequency
47 to 63Hz
Emissions/Immunity Standards
EMC meets requirement of EN50081-1 & EN50082-1
Inrush Current
15A Typical
Output Voltage
54V to 58V (adjustable by potentiometer)
Output Current Range
0-10A at 56V
Output Regulation
Load +/- 1%, Line +/- 0.2%
In battery mode the output will be equal to the battery
voltage, less 0.5V
Output Noise & Ripple
100mV peak to peak, up to 20 MHz
Battery Charging Current
4A DC
Efficiency
>85% at full load
Operating Temperature
-20°C to +65°C
Temperature Coefficient
0.02% per °C
Protective Features
If ambient temperature exceeds 65°C the power supply is protected by a non-latching thermal cut-out.
Insulation - Input to Chassis
1500Vrms
Insulation - Output to Chassis
Insulation - Input to Output
3750Vrms
Insulation - Output to Output
Safety Standards
Meets BSEN60950, LVD Compliant, CE marked.
Current Limit
Trip and restart, 20A +/- 1A
Overvoltage Protection
Low Battery Disconnect
Auto Battery Test Feature
100Vrms
100Vrms
Trip and restart, 64V +/- 1V
42.5V +/- 0.5V
The power supply will automatically load check the battery condition approximately every 20 days (or longer if required) for approximately 20 minutes to establish that the battery is ‘good’.
If the battery voltage is below 47 volts, alarm 4 will operate.
Alarms
The following 6 alarms are isolated and have a pair of contacts that can be factory configured open or closed in normal operation.
Alarm 1: Input Mains Good
Alarm 2: Output Voltage Good
Alarm 3: Power Supply Good
Alarm 4: Battery Good
Alarm 5: Alarms 1 to 4 in Series
Alarm 6: Thermal Cut Out
Alarm Indicators
Alarms 1 to 4 - Four Green LED’s
Output Current Indicator
LED display of total output current (including battery charging current) in 2A increments to 16A.
Mechanical Specification
Mains Input
Size
Weight
Specification Note:
IEC 320 connector with 10A fusing
19” rack x 2U high x 240mm deep
6kg
For any requirements not specified above, please contact the sales department.
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The SP1470 series has been specifically designed to reliably withstand the very high and low
temperatures experienced in street cabinets.
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The battery management system enhances the life of the batteries by controlling the charging
current and avoiding deep discharge.
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Regular battery test loading monitors battery health without risk of system failure.
Murata Power Solutions (Celab) Ltd, 25 Woolmer Way, Bordon, Hampshire, GU35 9QE
www.murata-ps.com/celab
Tel: +44 (0) 1420 477011
Fax: +44 (0)1420 487476