Commercial Solar PV, 3-Phase Hybrid BESS (Sigenergy SigenStor), 0ms Islanding Gateways & HVO Standby Generators
Standard grid-tied commercial solar inverters shut down immediately during a DNO power cut due to statutory anti-islanding protection under ENA Engineering Recommendation G98/G99. To keep a UK commercial building, cold store, medical clinic, or workshop running during a multi-day blackout, the installation requires a physical all-pole islanding gateway (such as the Sigenergy Sigen Gateway HomePro TP / C60 or Victron MultiPlus-II 48V quattro switchgear), dedicated BS 7671 Regulation 551.4.3 Earth Electrode (TT) bonding, and an integrated 2-wire auto-start EN 15940 HVO standby diesel generator for winter dunkelflaute recharge.
Read our detailed head-to-head architectural evaluation: Sigenergy 3-Phase SigenStor + Gateway vs. Tesla Powerwall 3 Multi-Unit vs. Victron 3-Phase + Diesel ATS and Standby Diesel Generator Changeover: Manual Kraus & Naimer vs. 100A/32A ATS + TT Earth Testing.
Switchgear, BESS, Standby Generators & BS 7671 Commissioning Instruments
- [RL-PWR-012] West Mountain Radio RIGrunner 4005 40A 12V DC Comms Rack Powerpole Distribution Strip — Price confirmed at launch
Fused 40A 12V DC Anderson Powerpole distribution bus for powering Teltonika routers, DMR base stations & N100 servers directly.
- [RL-PWR-025] Fogstar Drift 12V 300Ah Heated LiFePO4 Battery (3.84kWh) — Price confirmed at launch
UK-engineered 3.84kWh Grade-A EVE LiFePO4 battery module with internal sub-zero heating pads & 200A JBD Smart BMS.
- [RL-PWR-026] Victron Energy MultiPlus-II 12/3000/120-32 230V Pure Sine Inverter/Charger — Price confirmed at launch
Industrial 3000VA pure sine wave inverter, 120A LiFePO4 charger & <20ms automatic UPS transfer switch.
- [RL-PWR-027] Victron Energy SmartSolar MPPT 100/50 Solar Charge Controller — Price confirmed at launch
Ultra-fast Bluetooth MPPT solar harvesting controller converting up to 700W of PV panels into 12V/24V charge.
- [RL-PWR-028] Victron SmartShunt 500A Bluetooth Battery Monitor & Lynx Busbar Kit — Price confirmed at launch
Precision coulomb-counting battery fuel gauge bundled with a 4-way MEGA-fused M8 copper DC distribution busbar.
- [RL-ENG-037] Brymen BM869s CAT IV 1000V True-RMS Master Multimeter + Kewtech Loop Plug — Price confirmed at launch
Laboratory-grade CAT IV 1000V True-RMS electrician multimeter bundled with a UK 13A socket polarity & earth tester.
- [RL-ENG-040] Wera Kraftform VDE 1000V 18-Pc Electrician Tool Roll + Knipex Cobra/Wrench Set — Price confirmed at launch
German 10,000V water-bath tested VDE insulated screwdriver roll paired with genuine Knipex Cobra & Pliers Wrench.
- [RL-ENG-049] Martindale VIPDLOKPRO138 BS 7671 Safe Isolation Lockout/Tagout (LOTO) Master Electrician — Price confirmed at launch
Complete HSE GS38 Prove-Test-Prove safe isolation kit with VI13800 voltage indicator, PD440S 440V proving unit & 13x MCB/MCCB lock-offs.
- [RL-ENG-051] NanoVNA-H4 Professional 50kHz–1.5GHz RF Vector Network Analyser + N-Type / SMA Mast Coax SWR Calibration Kit — Price confirmed at launch
4-inch handheld S11/S21 RF vector network analyser for sweeping VHF/UHF DMR antennas, 868MHz LoRa repeaters, 5G MIMO feeders & coax TDR faults.
- [RL-PWR-148] Sigenergy SigenStor 5-in-1 Commercial 3-Phase Stack (25.0kW Energy Controller TP + 24.0kWh 3× BAT 8.0 LFP + Plinth) — Price confirmed at launch
All-in-one IP66 cable-free commercial 400V 3-phase stack combining a 25.0kW 4-MPPT hybrid controller and 24.18kWh (3× BAT 8.0) heated LFP with aerosol fire suppression.
- [RL-PWR-149] Sigenergy SigenStor EV DC 25kW V2X / V2B Bi-Directional CCS2 Commercial Fleet DC Fast-Charging Module — Price confirmed at launch
25kW bi-directional CCS2 DC EV module that sandwiches directly into the SigenStor stack—turning 60–100kWh fleet EVs and electric vans into rolling building backup.
- [RL-PWR-150] Sigenergy Sigen Energy Gateway HomePro TP / C60 3-Phase (0ms UPS Islanding + Dedicated Generator Smart Port) — Price confirmed at launch
True 0ms UPS-grade 3-phase automatic islanding gateway with internal UK Neutral-Earth bonding relay, Non-Backup (X1) load shedding & 2-wire Diesel/HVO Smart Port.
- [RL-PWR-151] Tesla Powerwall 3 UK Spec (13.5kWh LFP + 11.04kW 6-MPPT Inverter + Tesla Backup Gateway 2) for Commercial Sites — Price confirmed at launch
UK-spec Tesla Powerwall 3 (13.5kWh LFP + 11.04kW continuous inverter with 6 solar MPPTs & 185A LRA motor surge) bundled with Tesla Backup Gateway 2.
- [RL-ENG-155] Tenma 72-10480 Regulated 0–30V / 0–5A Current-Limiting DC Bench Power Supply + Automatic LCR / ESR Component Tester — Price confirmed at launch
Power faulted PCBs and industrial control cards safely with programmable Constant-Current (1mA–5A) short-circuit limiting and automatic in-circuit LCR/ESR analysis.