KOSTAD’S unity 20 power charger
The Kostad Unity 20 Wall/Mobile Charge has already received great acclaim for its compact design, advanced technology and minimal noise emissions. But the new Unity 20 sets even higher standards in terms of reliability, efficiency and future-proofing. With its robust stainless steel housing, it is designed for uncompromising and long-lasting operation. The reliability of the Unity 20 charging station, coupled with the possibility of remote maintenance, makes it an absolutely future-proof choice.
| Parameter | Specification |
|---|---|
| Charging Type | DC Fast Charging |
| Outlet Options | CCS, CHAdeMo |
| Input AC Power Rating | C, CJ: 32 A, 22 kVA @ 50Hz @ 400V; C, CJ: 40A, 28kVA @ 50Hz |
| Input Voltage Range | 400 VAC +/- 10% (47-63HZ) -CE Version |
| DC Output Power Rating | 22kW ; 30kW (option) |
| DC Output Voltage | 200-1000 Vdc |
| Number of EV Served | 1 |
| Cable Length | 3.5m (from cabinet outlet) DC optional: 4.5 / 5.5 / 6.5 / 7.5 m DC |
| CCS Cable Maximum Current | 80A |
| CHAdeMO Cable Maximum Current | 80A |
| EMC (Electro-Magnetic Compatibility) | Class B (residential) conducted and radiated emissions |
| Grid Connection | 3P + PE / 3P + N + PE (AC option) |
| Protection Class | Overcurrent, overvoltage, undervoltage, ground fault, DC leakage, surge protection |
| Overvoltage Category | Type II |
| Power Factor (Full Load) | > 0.97…0.99 |
| THDI (Total Harmonic Distortion) | < 5% |
| Efficiency | > 95.5% (peak) |
| Standby Power | 70W |
| Short Circuit Current | < 50V / network dependent |
| Pre-charge Current | < 1A |
| Energy Metering | Optional: MID metering for DC outlets (on AC side incl losses) |
| Cellular Communication | GSM / 4G / LTE |
| User Interface | 7” LCD direct sunlight |
| Connectivity | Internet access via 4G/3G/Ethernet (RJ45) |
| User Authentication | RFID |
| Communication Protocols | OCPP 1.6 / OCPP 2.0, JSON |
| RFID Reader | ISO 14443 A + B to part 4 and ISO/IEC 15693, Mifare, NFC |
| Emergency Button | Yes |
| Configuration | Over-the-air updates via Kostad |
| Software Update Control & Configuration | Kostad HMI on the Display Confi |
| Multilanguage System | English, German, and more than 15 languages available |
| General Characteristics | IP54 and IK10 (cabinet) / IK8 (touchscreen) |
| Enclosure Type | Stainless steel |
| Operational Altitude | Up to 2000m |
| Operating Temperature Range | -30 °C to + 55 °C |
| Temperature Derating | Up to 50 °C air inlet: 100% output power; Above 50 °C air inlet: derating |
| Storage Temperature Rates | -40 °C to + 70 °C |
| Humidity | 20-95% Rh non-condensing |
| Mounting Dimensions (HxWxD) | 1007 x 730 x 550mm |
| Mass | 80kg |
| Standards | IEC 61851-1 ed 3, ID 61851-21-2, IEC 61851-23 ed 1, IEC 61851-24 ed 1, IEC 62196-2, IEC 62196-3, IEC 61000, Din 70121, CHAdeMO 1.2 |
| Charging System | OCPP 1.6 JSON; OCPP 2.0 |
| Communication to the EC | Via Kostad HMI on the Display Confi |
| Communication to the Backend | OCPP 1.6 JSON; OCPP 2.0 |