Battery Chargers
Powerbox PB358 Series Smart DC-UPS / Battery Charger - DIN Rail Mount
The Powerbox PB358 Series Smart DC-UPS and Battery Charger is a highly efficient, 138W solution designed for reliable DC power and battery backup in critical applications. Its DIN rail-mounted design and advanced features make it ideal for security access control systems, telecommunications, and industrial automation.
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Features
- Trusted in Critical Applications: Widely utilised across Australia in electronic security and water utility applications, providing reliable, continuous DC power to access control systems, security peripherals, telemetry, monitoring equipment, and critical infrastructure control.
- Versatile Installation Options: Designed for ease of integration, the PB358 Series features compact DIN rail mounting and offers a choice between screw terminal or IEC60320 C14 appliance inlet for AC mains input—providing flexibility and convenience for both field and panel-based installations.
- Advanced Battery Management: Automatic and manual Battery Condition Testing (BCT), battery low-voltage disconnect, built-in electronic circuit breaker for battery overload protection, automatic battery connection and fuse integrity tests every five minutes, and battery over-temperature protection.
- Intelligent Monitoring: Comprehensive alarm system featuring Mains OK, Rectifier OK, Battery OK, and Fault indicators with voltage-free relay contacts. Optional Ethernet interface available.
- High Temperature Operation: Full-rated output operation from 0°C to 50°C with linear derating up to 70°C, suitable for harsh environments and natural convection cooling.
- Australian Made: Proudly designed and manufactured in Australia, the PB358 Series reflects local engineering expertise and a deep understanding of industry requirements. Built to meet the demands of Australian conditions, it ensures high-quality performance, responsive technical support, and dependable supply chain continuity.
Specifications
Selection Table
Technical Illustrations
Downloads
| INPUT | |
|---|---|
| Input Voltage | 190...264Vac, or 190...400Vdc |
| Input Current | 1.4A max |
| Inrush current | 15A on cold start |
| Frequency | 45 to 65 Hz |
| ALARMS AND CONTROLS | |
|---|---|
| RELAYS | Four voltage-free form-C contacts 32Vdc, 1A |
| Mains OK Relay | OK / Fail |
| Rectifier OK Relay | OK / Fail, overtemp or shutdown |
| Battery relays | Determined by DIP switch |
| DIP switch 3 = OFF (Default) | |
| Battery status relay | OK / Battery low voltage |
| OK / Battery low voltage,battery disconnected or fuse fail, battery overvoltage,battery overtemperature or BCT Fail |
|
| Battery fault relay | DIP switch 3 = ONBattery disconnected or fuse fail, battery overvoltage, battery overtemperature or BCT Fail |
| BCT in progress / not in progress | |
| CONTROLS | |
| External shutdown | Input for ext. voltage-free contact Closure reduces rectifier output voltage to 9.6V /19.4V / 39.1V |
| Control button | 1s: clear BCT or bat discon. alarm 5s: manually start or abort BCT 10s: reset microcontroller |
| Battery start button | Closes battery low voltage disconnect switch. Allows load to be started from battery if mains power is not available. |
| LED's | Four green alarm / status LED’s |
| Mains and rectifier status | ON: Mains OK / OFF: Mains failON: Rectifier OK 0.5s flash: External shutdown 0.1s flash: Rectifier overtemp. prot’n OFF: Rectifier fail |
| Battery and BCT status | ON: Battery OK, charger = float 1s flash: Battery OK, charger = bulk 0.5s flash: Battery OK, charger = absorp. 0.2s flash: Battery OK, BCT pending0.1s flash: Battery OK, battery test or BCT OFF: Battery low voltage |
| Fault codes | Battery fault, 1-11 flashes in 5 seconds 1 flash: Battery disconnected or fuse fail 2 flashes: Battery overvoltage 3 flashes: Battery overtemperature 4 flashes: BCT fail |
| Fault LED | OFF: No faults |
| Fault codes | Battery fault, 1-11 flashes in 5 seconds 1 flash: Battery disconnected or fuse fail 2 flashes: Battery overvoltage 3 flashes: Battery overtemperature 4 flashes: BCT fail |
| OUTPUT - AC MAINS OPERATION | |
|---|---|
| Output voltage |
PB358-12DIN & PB358-12DIN-IEC: 13.8Vdc PB358-24DIN & PB358-24DIN-IEC: 27.6Vdc PB358-48DIN & PB358-48DIN-IEC: 55.2Vdc |
| Output Current (Total) |
PB358-12DIN & PB358-12DIN-IEC: 10A PB358-24DIN & PB358-24DIN-IEC: 5A PB358-48DIN & PB358-48DIN-IEC: 2.5A |
| Line regulation | 0.2% typ. |
| Load regulation | 1.3% max. |
| Rectifier current limit* | Constant current > 6/7.5/15Vout Hiccup < 6/7.5/15Vout |
| Battery charging current limit | Constant current > LVD volts Front panel adjustable |
| Short circuit prot'n | Indefinite, autoresetting |
| Overvoltage prot'n | 15.5-19.5V/31.5-39.0V/62.0-73.0V |
| Ripple & noise * | <50mVp-p/<100mVp-p/<100mVp-p |
| Efficiency* | 86%/87%/ 88% typ. at 100% load* (13.8Vout / 27.6Vout / 55.2Vout) |
| BATTERY MANAGEMENT | |
|---|---|
| Battery connections test | Battery connections & fuse tested automatically every 5 minutes |
| Battery charger | 2 or 3 step selected by DIP switch 2 |
| 2 Step | Bulk / float |
| 3 Step | Bulk / absorption / float |
| Parameters | Float voltage: 2.30 V/cell @ 25°C Absorption voltage: 2.40 V/cell @ 25°C Max. absorption time: 2 hours Absorption taper current: 4% Irated Absorption enable threshold: 2.00 V/cell |
| Battery overtemperature | 50°C |
| Battery overvoltage alarm | 2.50 V/cell, temperature compensated |
| Battery low voltage disconnect | 1.75V/cell, 10 second delay |
| Battery overload protection | MOSFET switch in battery positive |
| Battery reverse polarity protection | Front panel fuse |
| Battery to load voltage drop | 0.25V/0.13V/0.10V max. at 10A/5A/2.5A |
| Battery low voltage alarm | 1.80 V/cell |
| SAFETY & STANDARDS | |
|---|---|
| Safety | AS/NZS60950.1 |
| Protection Degree | IP20 |
| Protection against shock | Class I, with PE connection |
| EMC RF emissions | AS/NZS CISPR 11, Grp 1, Class B |
| Harmonic current | AS/NZS 61000.3.2 |
| Isolation | Input to output: 4242Vdc, 1 min Input to ground: 2121Vdc, 1 min Output to ground: 707Vdc, 1 min |
| MODEL NUMBER | OUTPUT VOLTAGE | RATED TOTAL OUTPUT CURRENT¹ | MAXIMUM LOAD CURRENT | BATTERY CHARGING CURRENT LIMIT | OUTPUT POWER |
|---|---|---|---|---|---|
|
PB358-12DIN |
13.8Vdc | 10A | 10A | 0.5 to 10A Setpoint = 2.0A | 138W |
|
PB358-12DIN-IEC |
13.8Vdc | 10A | 10A | 0.5 to 10A Setpoint = 2.0A | 138W |
|
PB358-24DIN |
27.6Vdc | 5A | 5A | 0.2 to 5A Setpoint = 1.0A | 138W |
|
PB358-24DIN-IEC |
27.6Vdc | 5A | 5A | 0.2 to 5A Setpoint = 1.0A | 138W |
|
PB358-48DIN |
55.2Vdc | 2.5A | 2.5A | 0.1A to 2.5A Setpoint = 0.5A | 138W |
|
PB358-48DIN-IEC |
55.2Vdc | 2.5A | 2.5A | 0.1A to 2.5A Setpoint = 0.5A | 138W |
¹ Rated Total Output Current = sum of load and battery charging current.
| INPUT | |
|---|---|
| Input Voltage | 190...264Vac, or 190...400Vdc |
| Input Current | 1.4A max |
| Inrush current | 15A on cold start |
| Frequency | 45 to 65 Hz |
| ALARMS AND CONTROLS | |
|---|---|
| RELAYS | Four voltage-free form-C contacts 32Vdc, 1A |
| Mains OK Relay | OK / Fail |
| Rectifier OK Relay | OK / Fail, overtemp or shutdown |
| Battery relays | Determined by DIP switch |
| DIP switch 3 = OFF (Default) | |
| Battery status relay | OK / Battery low voltage |
| OK / Battery low voltage,battery disconnected or fuse fail, battery overvoltage,battery overtemperature or BCT Fail |
|
| Battery fault relay | DIP switch 3 = ONBattery disconnected or fuse fail, battery overvoltage, battery overtemperature or BCT Fail |
| BCT in progress / not in progress | |
| CONTROLS | |
| External shutdown | Input for ext. voltage-free contact Closure reduces rectifier output voltage to 9.6V /19.4V / 39.1V |
| Control button | 1s: clear BCT or bat discon. alarm 5s: manually start or abort BCT 10s: reset microcontroller |
| Battery start button | Closes battery low voltage disconnect switch. Allows load to be started from battery if mains power is not available. |
| LED's | Four green alarm / status LED’s |
| Mains and rectifier status | ON: Mains OK / OFF: Mains failON: Rectifier OK 0.5s flash: External shutdown 0.1s flash: Rectifier overtemp. prot’n OFF: Rectifier fail |
| Battery and BCT status | ON: Battery OK, charger = float 1s flash: Battery OK, charger = bulk 0.5s flash: Battery OK, charger = absorp. 0.2s flash: Battery OK, BCT pending0.1s flash: Battery OK, battery test or BCT OFF: Battery low voltage |
| Fault codes | Battery fault, 1-11 flashes in 5 seconds 1 flash: Battery disconnected or fuse fail 2 flashes: Battery overvoltage 3 flashes: Battery overtemperature 4 flashes: BCT fail |
| Fault LED | OFF: No faults |
| Fault codes | Battery fault, 1-11 flashes in 5 seconds 1 flash: Battery disconnected or fuse fail 2 flashes: Battery overvoltage 3 flashes: Battery overtemperature 4 flashes: BCT fail |
| OUTPUT - AC MAINS OPERATION | |
|---|---|
| Output voltage |
PB358-12DIN & PB358-12DIN-IEC: 13.8Vdc PB358-24DIN & PB358-24DIN-IEC: 27.6Vdc PB358-48DIN & PB358-48DIN-IEC: 55.2Vdc |
| Output Current (Total) |
PB358-12DIN & PB358-12DIN-IEC: 10A PB358-24DIN & PB358-24DIN-IEC: 5A PB358-48DIN & PB358-48DIN-IEC: 2.5A |
| Line regulation | 0.2% typ. |
| Load regulation | 1.3% max. |
| Rectifier current limit* | Constant current > 6/7.5/15Vout Hiccup < 6/7.5/15Vout |
| Battery charging current limit | Constant current > LVD volts Front panel adjustable |
| Short circuit prot'n | Indefinite, autoresetting |
| Overvoltage prot'n | 15.5-19.5V/31.5-39.0V/62.0-73.0V |
| Ripple & noise * | <50mVp-p/<100mVp-p/<100mVp-p |
| Efficiency* | 86%/87%/ 88% typ. at 100% load* (13.8Vout / 27.6Vout / 55.2Vout) |
| BATTERY MANAGEMENT | |
|---|---|
| Battery connections test | Battery connections & fuse tested automatically every 5 minutes |
| Battery charger | 2 or 3 step selected by DIP switch 2 |
| 2 Step | Bulk / float |
| 3 Step | Bulk / absorption / float |
| Parameters | Float voltage: 2.30 V/cell @ 25°C Absorption voltage: 2.40 V/cell @ 25°C Max. absorption time: 2 hours Absorption taper current: 4% Irated Absorption enable threshold: 2.00 V/cell |
| Battery overtemperature | 50°C |
| Battery overvoltage alarm | 2.50 V/cell, temperature compensated |
| Battery low voltage disconnect | 1.75V/cell, 10 second delay |
| Battery overload protection | MOSFET switch in battery positive |
| Battery reverse polarity protection | Front panel fuse |
| Battery to load voltage drop | 0.25V/0.13V/0.10V max. at 10A/5A/2.5A |
| Battery low voltage alarm | 1.80 V/cell |
| SAFETY & STANDARDS | |
|---|---|
| Safety | AS/NZS60950.1 |
| Protection Degree | IP20 |
| Protection against shock | Class I, with PE connection |
| EMC RF emissions | AS/NZS CISPR 11, Grp 1, Class B |
| Harmonic current | AS/NZS 61000.3.2 |
| Isolation | Input to output: 4242Vdc, 1 min Input to ground: 2121Vdc, 1 min Output to ground: 707Vdc, 1 min |
| MODEL NUMBER | OUTPUT VOLTAGE | RATED TOTAL OUTPUT CURRENT¹ | MAXIMUM LOAD CURRENT | BATTERY CHARGING CURRENT LIMIT | OUTPUT POWER |
|---|---|---|---|---|---|
|
PB358-12DIN |
13.8Vdc | 10A | 10A | 0.5 to 10A Setpoint = 2.0A | 138W |
|
PB358-12DIN-IEC |
13.8Vdc | 10A | 10A | 0.5 to 10A Setpoint = 2.0A | 138W |
|
PB358-24DIN |
27.6Vdc | 5A | 5A | 0.2 to 5A Setpoint = 1.0A | 138W |
|
PB358-24DIN-IEC |
27.6Vdc | 5A | 5A | 0.2 to 5A Setpoint = 1.0A | 138W |
|
PB358-48DIN |
55.2Vdc | 2.5A | 2.5A | 0.1A to 2.5A Setpoint = 0.5A | 138W |
|
PB358-48DIN-IEC |
55.2Vdc | 2.5A | 2.5A | 0.1A to 2.5A Setpoint = 0.5A | 138W |
¹ Rated Total Output Current = sum of load and battery charging current.
Find the Right Model
| Model Number | Input Voltage (Vac) | Output Voltage (Vdc) | Output Current (A) | ||
|---|---|---|---|---|---|
|
PB358-12DIN | 190...264Vac 50/60Hz | 13.8Vdc | 10A (Default = 8A Load / 2A Battery) | |
|
|
PB358-12DIN-IEC | 190...264Vac 50/60Hz | 13.8Vdc | 10A (Default = 8A Load / 2A Battery) | |
|
|
PB358-24DIN | 190...264Vac 50/60Hz | 27.6Vdc | 5A (Default = 4A Load / 1A Battery) | |
|
|
PB358-24DIN-IEC | 190...264Vac 50/60Hz | 27.6Vdc | 5A (Default = 4A Load / 1A Battery) | |
|
|
PB358-48DIN | 190...264Vac 50/60Hz | 55.2Vdc | 2.5A (Default = 2A Load / 0.5A Battery) | |
|
|
PB358-48DIN-IEC | 190...264Vac 50/60Hz | 55.2Vdc | 2.5A (Default = 2A Load / 0.5A Battery) |
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