Delta UM Series - Energy Storage Inverter
Flexible Communications
• Integrated LCD display.
• Built-in bluetooth communication.
• Remote control & firmware upgrade.
Adaptive
• Configurable AC/solar input priority based on applications.
• Parallel operation up to 10 units (50kW).
• Support 3 phase unbalanced parallel operation.
• Intelligent EMS function.
High Performance
• 80 Amp AC charger and 100 Amp solar charger.
• Maximum PV input voltage up to 500VDC.
• Built-in MPPT solar charge controller.
Battery Friendly
• Compatible with all top-tier brands of lithium batteries and lead-acid batteries.
• Battery equalization for increased battery performance and lifespan.
• Functional with or without a battery.
• One-click fast charging mode.
• Manual wakeup the overdischarged battery to extend battery lifespan.
Specifications
| MODEL | Delta UM 4K-48 | Delta UM 4K-48 Top | Delta UM 5K-48 | Delta UM 5K-48 Top |
|---|---|---|---|---|
| Parallel Capability | No | Yes, 10 units | No | Yes, 10 units |
| BATTERY | ||||
| Rated Battery Voltage | 48 V | |||
| Battery Type | Li-ion / Lead-acid | |||
| Maximum Charge / Discharge Current | 100 A | |||
| Communication | CAN / RS-485 | |||
| INVERTER OUTPUT | ||||
| Rated Output Power | 4 kVA / 4 kW | 5 kVA / 5 kW | ||
| Rated Output Voltage | 230 V ± 1% | |||
| Rated Frequency | 50 Hz / 60 Hz ± 0.1% | |||
| Surge Capacity | 8 kVA | 10 kVA | ||
| Output Voltage Waveform | Pure sine wave | |||
| Transfer Time | 10 ms typical, 20 ms Max | |||
| THDv (@linear load) | <3% | |||
| Peak Efficiency (PV-AC) | 96.7% | |||
| SOLAR CHARGER | ||||
| Solar Chager Type | MPPT | |||
| Recommended Maximum PV Power | 5 kW | 5.5 kW | ||
| Maximum Input Voltage | 500 V | |||
| MPPT Voltage Range | 90 - 480 V | |||
| MPPT Number / Maximum Input Strings Number | 1 / 2 | |||
| Maximum Input Current per MPPT | 26 A(1) | |||
| Maximum Solar Charge Current | 100 A | |||
| AC CHARGER | ||||
| Rated Input Voltage | 230 V | |||
| SelectableVoltage Range | 90 - 280 V | |||
| AC Frequnence Range | 50 Hz / 60 Hz (Auto sensing) | |||
| Maximum AC Charge Current | 60 A | 80 A | ||
| PROTECTION | ||||
| Output over Voltage Protection | Yes | |||
| Output over Current Protection | Yes | |||
| Short Circuit Protection | Yes | |||
| Surge Protection | Yes | |||
| Temperature Protection | Yes | |||
| Integrated AFCI (DC Arc-fault Circuit Protection) | Yes | |||
| GENERAL DATA | ||||
| Dimensions (W*H*D) | 335*450*160 mm | |||
| Weight | 14 kg | |||
| Relative Humidity | 5% to 95% (Non-condensing) | |||
| Operating Ambient Temperature Range | -10 ~ +60°C | |||
| Storage Temperature Range | -25 ~ +60°C | |||
| Ingress Protection | IP21 | |||
| Maximum Operation Altitude | 2000 m | |||
| Safety Standard | IEC 62109, IEC 61000 | |||
| FEATURES | ||||
| DC Connection | Terminal connectors | |||
| AC Connection | Terminal connectors | |||
| Display | LCD | |||
| Communication | CAN, BMS, RS-485, Dry-contact, Bluetooth, Optional: Wi-Fi | |||
(1) Max. input current per string will be 26A for one string's design and 13A for two strings' design;
Max. input short current per string will be 32A for one string's design and 16A for two strings' design.
Product specifications are subject to change without further notice.
