PB8-4810
- Input voltage 115 – 277 VAC
- Output voltage 48 VDC / 10A
- Modbus RTU interface
- Battery charging output 48 VDC / 10 A
- Suited for Lead Acid, GEL, AGM, Li-ion batteries
- Relay output signaling mains / backup mode
- Relay output signaling discharged or damaged battery
- Automatic diagnostic of battery status
- Mounting on DIN35
- Passive cooling
The 48VDC backup industrial power supplies suitable for indoor and outdoor applications. Due to the high charging current of up to 10A, the power source is also suitable for applications powered by public lighting.
Models
PB8-4810
Order code: 4-100-117
Availability: Full-scale production
Specifications
Technical parameters
| POWER INPUT | |
|---|---|
| Input voltages | 115 - 230 - 277 VAC (90 - 135 VAC / 180 - 305 VAC) |
| Inrush current (Vn - In nominal load) I2t | ≤ 35 A ≤ 5 msec |
| Frequency | 47 - 63 Hz |
| Input Current (115 - 230 VAC) | 9 - 4.5 A (Internal not replaceable fuse 10 A) |
| Recommended external fuse | 16 A (characteristic B) |
| 48 VDC OUTPUT (INTERNALL POWER SUPPLY)* | |
|---|---|
| Output voltage (Vn) / nominal current (In) | 48 VDC / 10 A (turn-on delay max. 1s) |
| Efficiency (at 50% of rated current) | ≥ 91 % |
| Start up with capacitive load | Yes |
| Short-circuit / overload / overheating protection | Yes (support start up with capacitive load) |
| BATTERY OUTPUT | |
|---|---|
| Connection | 4x 12 V batteries connected in series |
| Max. charging current | 10 A ± 5% (Adjusting 10 - 100 %) |
| Supported batteries | Lead Acid, GEL, AGM, Li-ion |
| Battery recovery mode | 6 - 42 VDC |
| Reverse polarity battery protection | Yes |
| Sulfated battery check | Yes - by jumper |
| Max. quiescent current | ≤ 100 mA |
| Automatic charging curve | 4 stage - IUoU |
| LOAD OUTPUT | |
|---|---|
| Output voltage VDC (at In) | 44 - 57.6 V (follow battery voltage) |
| Nominal current I load | 1.1 x In A ± 5% |
| Continuous current without / with battery | I load = In 10 A / I load= In + I batt 20 A |
| Start from battery without main | With button or with RC cable |
| Protection against total battery discharge | 40 - 42 VDC (Battery almost flat alarm: 44 - 46 VDC) |
| RELAY OUTPUTS | |
|---|---|
| Count | 2 |
| Type of contact | Přepínací |
| Max. Load | 60 VAC / 1A, 30 VDC / 1A (resistive load) |
| Relay 1 (C-NC-NO) | Relay max. 30 VDC / 1 A | Main power loss detection |
| Relay 2 (C-NC-NO) | Relay max. 30 VDC / 1 A | Faulty / low battery |
| INPUT TEMPERATURE SENSOR | |
|---|---|
| Connector | PB-T1-RJ45 |
| GENERAL DATA | |
|---|---|
| Weight | 1.55 kg |
| Dimensions - h / w / d | 115 x 150 x 135 mm |
| Pollution degree environment | 2 |
| Protection Class (EN/IEC 60529) | IP20 |
| MTBF IEC 61709 | Over 300.000 h |
| Connection terminal blocks screw type | 2,5mm(24–14AWG) |
| ENVIRONMENT | |
|---|---|
| Ambient temperature / storage temperature | -25 to +70°C / -40 to +85°C (passive cooling) |
| Humidity at 25 °C | Max. 95 % (non-condensing) |
| Altitude 0 to 2 000m / 2 000 to 6 000m | 0 to 2 000m (no restrictions) / derating 5°C/1000m |
| Power derating over 50°C | - 2.5%(In) / °C |
| ELECTRICAL SAFETY | |
|---|---|
| Protection class | Class I (with PE) |
| Insulation voltage (IN/OUT) | 3000 VAC |
| Insulation voltage (Input / Earth, PE) | 2000 VAC |
| Insulation voltage (Out Load, Battery / Earth, PE) | 500 VAC |
| Communication interface | |
|---|---|
| Modbus | RTU |
Standards and protocols, EMC and safety
| EMC and safety | ||
|---|---|---|
| EN 61000-6-2 | Immunity - industrial environment | |
| EN 61000-6-4 | Emissions - industrial environment | |
| EN 62368-1 | Safety requirements of Information technology equipment | |
| EN60950 | Safety standard for information technology equipment | |
Downloads
Other
Maintenance plan
.pdf
Accessories
PB-T1-RJ45
Temperature sensor to adjust the battery charging voltage depending on the battery temperature.