Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari
CPS SCA7KTL-SM Single‑Phase Grid‑Tied PV Inverter by CHINT Power Systems
- Spiegazione del modello
| Parte del modello | Descrizione |
| CPS | CHINT Power Systems product identifier |
| SCA | Single‑phase string inverter series code |
| 7KTL | Rated power 7kW, T = MPPT tracking, L = low voltage |
| SM | Standard version without display, simplified design, conveniente |
- Specifiche tecniche principali
DC Input
| Articolo | Specifica |
| Massimo. DC power | 7100W |
| Massimo. Tensione CC | 1000A DC |
| MPPT voltage range | 120–850V DC |
| Rated DC voltage | 450A DC |
| Start‑up voltage | 100A DC |
| Min. operating voltage | 80A DC |
| Massimo. input current (PV1/PV2) | 11UN / 11UN |
| Number of MPPTs | 2 independent channels |
| Strings per MPPT | 1–2 strings |
| DC breaker | Opzionale, with overcurrent protection |
AC Output
| Articolo | Specifica |
| Rated AC power | 7000W |
| Massimo. AC power | 7700VA (10% sovraccarico) |
| Rated AC voltage | 230V e (single‑phase) |
| Output voltage range | 180–280V AC |
| Grid connection | l + N + PE |
| Corrente di uscita nominale | 30.4UN |
| Massimo. output current | 33.5UN |
| Rated output frequency | 50/60Hz (auto‑adaptive) |
| Frequency range | 47–51Hz / 57–61Hz |
| Fattore di potenza | Regolabile, 0.8 leading ~ 0.8 lagging |
| Total harmonic distortion (THD) | ≤3% at rated power |
Efficienza & Protezione
| Articolo | Specifica |
| Massimo. efficiency | 98.00% |
| Chinese efficiency | 97.60% |
| European efficiency | 97.50% |
| Grado di protezione | IP65 (outdoor installation) |
| Resistenza di isolamento | ≥10MΩ @ 500V DC |
| Isolation voltage | 2500V AC for 1 minuto |
| Over/under voltage & frequency protection | Standard |
| Anti‑islanding protection | Compliant with VDE 0126‑1‑1 |
| Ground fault protection | Standard, detection sensitivity ≤30mA |
Meccanico & Environmental
| Articolo | Specifica |
| Dimensioni (L×A×P) | 430×540×220mm |
| Peso | 22kg |
| Temperatura operativa | -25℃ ~ +60 ℃ |
| Temperatura di conservazione | -40℃ ~ +85℃ |
| Umidità relativa | 0–95% RH, senza condensa |
| Altitudine | ≤2000m (derated above 2000m) |
| Cooling | Natural convection, IP65 |
- Collegamento elettrico & Comunicazione
Standard Terminals
| Interfaccia | Funzione | Specifica |
| PV1/PV2 | DC input | MC4 connectors, IP67 |
| AC Output | AC output | 3‑pole terminal block (single‑phase L/N/PE) |
| COM1 | Main communication | WIFI/GPRS/Ethernet/RS485 (opzionale) |
| COM2 | Aux. comunicazione | RS485/meter/CT/DI (opzionale) |
| PE | Protective earth | Dedicated terminal, copper cable ≥6mm² |
Communication Functions
Supports WIFI / RS485 / GPRS / Ethernet
Compatible with ChintHome APP for remote monitoring and configuration
Supports Modbus RTU for third‑party monitoring systems
Supports multi‑inverter cascade monitoring (massimo. 32 unità)
- Installazione & Note sulla sicurezza
Requisiti di installazione
- Posizione: Well‑ventilated outdoor area, avoid direct sunlight and water immersion
- Montaggio: Wall‑mounted, bracket load capacity ≥44kg
- Orientation: Installazione verticale, bottom ≥30cm above ground
- Autorizzazioni: Sides ≥20cm, top ≥50cm, front ≥80cm
- Wiring sequence: DC first → AC next → communication & ground last
Precauzioni di sicurezza
- Ensure PV array is shaded or not illuminated before installation
- Must be installed and commissioned by qualified personnel
- DC high voltage risk: wait 5 minutes after power‑off before servicing
- Reliable earthing required, earth resistance ≤4Ω
- Do NOT disconnect DC or AC connections while inverter is running
- Applicazioni tipiche
- Residential distributed PV systems: 7kW suitable for most household roofs
- Small commercial & industrial rooftop plants: single or parallel operation
- Agri‑PV projects: combined with agricultural facilities
- Off‑grid to grid‑tie retrofits: compatible with existing PV modules
- Smart microgrid systems: used as distributed generation source
- Caratteristiche del prodotto & Vantaggi
- High conversion efficiency: massimo. 98.0%, higher energy yield
- Smart MPPT: 2 independent MPPTs, tracking efficiency ≥99.5%
- Alta affidabilità: IP65, wide temperature range -25℃~+60℃
- Configurazione flessibile: optional DC breaker and communication modules
- Cost‑effective design: SM non‑display version, lower initial investment
- Reliable warranty: standard 5‑year warranty, optional 10–25 years extension
- Guida alla selezione
| Modello | Potenza nominale | Massimo. Efficienza | Caratteristiche | Applicazioni |
| SCA7KTL‑SM | 7kW | 98.00% | Standard, no display | Residenziale, small C&IO |
| SCA7KTL‑PSM | 7kW | 98.00% | With LCD display | On‑site monitoring required |
| SCA8KTL‑SM | 8kW | 98.00% | Standard, no display | Larger residential roofs |
Supplementary Information for CPS SCA7KTL‑SM
(Fault Codes · Model Comparison · Packaging Data)
- Specifiche di imballaggio (for Logistics & Procurement)
| Articolo | Valore | Unità |
| Qty per carton | 1 | unità/cartone |
| Net weight | 22 | kg |
| Gross weight | 24 | kg |
| Outer carton (L×L×A) | 480 × 280 × 590 | mm |
| Protezione | Cartone + full foam packaging | — |
- SCA7KTL‑SM vs SCA7KTL‑PSM Comparison
| Articolo | SCA7KTL‑SM | SCA7KTL‑PSM |
| Definizione | Standard version without display | Version with display panel |
| Local view | No screen; APP/host monitoring only | LCD screen for on‑site reading |
| Energia / Efficienza | 7kW, 98% | 7kW, 98% |
| Electrical / Montaggio | Identico | Identico |
| Prezzo | Lower | Slightly higher |
| Applicazione | Bulk projects, monitoraggio remoto | On‑site commissioning/monitoring |
| Intercambiabilità | Interchangeable (no screen only) | Interchangeable |
- Fault Codes & Risoluzione dei problemi
| Codice errore | Descrizione | Quick Solution |
| 1 | Grid voltage abnormal | Check mains L/N; reclose breaker |
| 2 | Grid frequency abnormal | Check grid frequency; wait for recovery |
| 3 | PV overvoltage | Check string count; reduce series modules |
| 4 | PV undervoltage | Low irradiance / connessione allentata; check PV connectors |
| 5 | Protezione da sovracorrente | Sovraccarico / cortocircuito; check cable insulation |
| 6 | Overtemperature protection | Scarsa ventilazione / polvere; improve cooling, clean unit |
| 8 | Anti‑islanding protection | Grid outage; resumes automatically when power restored |
| 10 | Communication fault | WIFI/RS485 loose; reconnect cable/antenna |
| 13 | Guasto a terra | Perdita / low insulation; check PV cable damage and earthing |
| 20 | Standby | Normale: low irradiance / below start voltage |
