SAJ HS3-5K-T2-W-P
SAJ HS3-5K-T2-W-P is the 5 kW tier of the HS3 three-phase all-in-one system: PCS, BMS, EMS and an optional 11 kW EV charger module in one IP65 tower, with plug-in BU3-5.0-TV2-PRO battery modules stacking to eight.
- 97.6% Euro efficiency (98.0% peak) across the HS3 range, per SAJ's UK/EU datasheet.
- 2 MPPT inputs and a -30°C to +50°C operating range for cold-climate installs, per SAJ's datasheet.
- Full-rated backup power output, matching the inverter's on-grid rating.
- Plug-in battery modules — no external battery cabling to run on site.
- 5.0 kWh
- Nominal energy
- 3L+N+PE
- Phase
- LiFePO4
- Cell chemistry
- IP65
- Ingress protection
- Manufacturer
- SAJ
- Model code
- HS3-5K-T2-W-P
- Item no.
- DLK-SAJ-HS35KT2WP
- Delivery
- Germany delivery estimate: EUR 39–90 · The final delivery charge is included in your Proforma.
Plan with HS3-5K-T2-W-P
New system, extension or replacement? Linker Advisor starts from this article and asks only for what is still open — existing model, quantity, postcode, installation date.
Figures transcribed from the manufacturer datasheet on file. Confirm your grid code and configuration with our engineers before ordering.
- GoodWe · SAJ · Pylontech · EcoFlow · Chint paired from the maker’s own lists
- Datasheets on file for every item
- Within 24 h engineering response
- MOQ 1 unit · EU delivery
- Engineering-checked configurations
Store sun. Sell peak.
Charge through solar noon, discharge into evening tariffs - shifted on your tariff schedule.
Power class
5 kW rated, 5500 VA maximum apparent power, three-phase 3L+N+PE, 2 MPPT.
Inspect it before you spec it.
Official renders, installation photos and system panels for this model line.
Manufacturer imagery from the official documentation.
Manufacturer imagery from the official documentation.
Manufacturer imagery from the official documentation.
Manufacturer imagery from the official documentation.
Manufacturer imagery from the official documentation.
Specifications
Every value exactly as published in the official HS3-5K-T2-W-P documentation.
Documents
Complete the system
Balance-of-system and accessories paired with this model. Every pairing follows the manufacturer's official compatibility list.
SAJ BU3-5.0-TV2-PRO battery modules (up to 8, 5.0–40.0 kWh)
Chint DTSU666 three-phase meter
- [1]SAJ BU3-5.0-TV2-PRO battery modules (up to 8, 5.0–40.0 kWh)
- [2]Chint DTSU666 three-phase meter
SAJ ATS1-T63-A automatic transfer switch (three-phase, 63A)
- [1]SAJ ATS1-T63-A automatic transfer switch (three-phase, 63A)
What this unit is approved to run with.
Every pairing below traces to a manufacturer compatibility list, by document version and date. A pairing only one maker lists is marked; we quote it, an engineer confirms it.
Pick the rating
SAJ family. Same engineering, different size.
Every figure comes straight from the manufacturer's official datasheet.
Configuration 2
All five models (5, 6, 8, 10 and 12 kW) take 1 to 8 plug-in BU3-5.0-TV2-PRO modules, giving 5 to 40 kWh per tower.
- Arithmetic: 8 x 5.0 kWh = 40 kWh at full expansion.
- No field cabling: the modules stack under the inverter without battery cabling to run at the installation.
- Chemistry and window: high-voltage LiFePO4 with a 380-500 V battery voltage range.
- Not the BU2: the HS3 does not take the BU2 module; SAJ's Configuration Instructions pair the BU2 with the HS2 only.
Yes. SAJ offers the CU2-11K-T-I EV charger as an optional module of the same tower, ordered separately.
- Charger rating: 11 kW at 400 V, 16 A, per the SAJ datasheet.
- Transfer switch: the SAJ ATS1-T63-A (three-phase, 63 A) lists the HS3-5/6/8/10/12K-T2 models by name in its compatibility row.
- Metering: SAJ's accessories catalogue specifies the Chint DTSU666 three-phase meter, which matches the three-phase HS3 connection.
Operation & warranty 1
SAJ rates backup output at the inverter's full on-grid power: 5,000 W backup on the 5 kW model and 10,000 W on the 10 kW model.
- Peak reserve: 7,500 VA (5 kW model) and 15,000 VA (10 kW model) apparent power for 60 s.
- Switchover: SAJ lists a 20 ms UPS transfer time on the 6 kW datasheet.
- Output quality: output voltage distortion (THDv) below 3% on linear loads.
- Whole-load backup: for switching the full installation between grid and backup, the SAJ ATS1-T63-A transfer switch lists the HS3 models by name.
Installation & wiring 1
Yes. The tower is rated IP65 and operates from -30 to +50 C with integrated heating, per SAJ's datasheet.
- Cooling and noise: natural convection, below 35 dBA, usable up to 3,000 m altitude.
- Handling: the inverter head weighs 34 kg (450 x 695 x 170 mm) and each battery module 53 kg (420 x 695 x 170 mm); the whole tower keeps a 170 mm depth.
- Protection: Type II surge protection on both DC and AC sides, with integrated AFCI, anti-islanding, overload and AC short-circuit protection.
Availability & compliance 1
SAJ's HS3 documentation lists VDE-AR-N 4105, VDE 0126-1-1, EN 50549, G98, G99, G100 and EN 62109-1/2.
- Also listed: CE, CEI 0-21 and IEC 62619 appear on the 6 kW model's specification set.
- Per-model check: certificate sets are printed per model and datasheet revision, so we confirm the exact certificate documents for your rating with the quote.
- Documents: the SAJ HS3 datasheets are linked on this page for the grid operator submission.
Send the project. Hear from an engineer within 24 hours.
Loads, tariff, site constraints - our engineers reply with a compatibility check and a sizing recommendation.
Contact project supportOr write to linker01@de-linker.com — attach your load profile if you have one.