Świetlik D300 - EMS Integrator with LTE Communication
Product code: ME6920
Shipping costs are not included in the price.
Shipping costs are not included in the price.
Shipping & Returns
Master Energy | Master Investment Sp. z o.o.
1. Right of Return (14 Days)
Individual consumers (B2C) have the right to withdraw from the contract and return purchased items within 14 calendar days from delivery without stating a reason.
2. How to submit a return or claim?
- 📧 E-mail: pv@masterenergy.eu
- 📞 Phone: +48 884 570 201
- 🏢 Registered Address: Master Investment Sp. z o.o., Rondo ONZ 1, 00-124 Warsaw, Poland (VAT ID: PL7010345632)
3. Complete terms and conditions
Detailed freight information, pallet shipping methods, and B2B commercial terms are available at our dedicated information page:
Payment methods
Instant Payments
You can pay for your order immediately using any available payment method. All payment data is encrypted and secured by an SSL certificate.
- Credit & Debit Cards – Visa and Mastercard, processed securely by Stripe.
- Apple Pay – convenient digital wallet checkout in one tap on Apple devices.
- Google Pay – seamless payment with stored cards in Google Wallet.
- BLIK – 6-digit code authorization (available for Polish transactions).
- PayPo – buy now, pay in 30 days or in flexible installments.
- Klarna – buy now, pay in 30 days without extra fees.
- Instant Bank Transfer – automated bank transfer through PayU.
- PayPal – secure multi-currency payment directly from your PayPal account.
Traditional Payments
- Bank Transfer – direct wire transfer to our bank account. Proforma invoice and details are sent by email.
- Cash on Delivery – pay the courier upon package delivery (maximum 10,000 PLN per order).
Installments
PayU Installments – split your order into manageable monthly payments with an instant online application process.
Ask about the product
Administratorem danych osobowych jest Master Investment sp. z o.o.. Przetwarzamy je w celu przesłania odpowiedzi na zapytanie. Więcej informacji dotyczących przetwarzania danych osobowych znajduje się w polityce prywatności.
Description
Świetlik D300 is a fully integrated EMS class concentrator with PV integrator function designed for photovoltaic micro-installations. The device enables active energy management, control of multiple inverters, and communication with the EMS system using built-in LTE connectivity and wireless M-Bus HAN interface.
The product has been designed and manufactured in Poland by Zeronest / Pysense. The concentrator combines the features of an industrial solution with a compact housing adapted for DIN rail mounting, offering compliance certificates and support for security protocols and cloud integration.
Electrical and communication parameters
- Cellular connectivity: LTE Cat 1 (SMB ANT)
- Wireless HAN: T1/C1 - 868 MHz (OMS) - SMB ANT (Wireless M-Bus HAN)
- Serial interfaces: 3 x RS485 HD with galvanic isolation
- Control outputs: 2 x relay output (capable of controlling AC inverter / DRM)
- Power supply: 100 - 277 VAC (built-in power supply)
- SIM card: 1 x MFF2 (CHIP, eSIM)
- Indicators: 3 x LED
- Security and certificates: CE, RED
- Protocols and communication security: MQTT, TLS 1.2, FOTA, integration with AWS IoT Core
- Additional features: battery backup for RTC clock
Mechanical parameters
- Dimensions (W x H x D): 90 x 87.8 x 62 mm
- Protection degree and mounting: IP20, housing for TH35 rail - DIN 6S
- Housing materials: meets UL94-V0 requirements
- Operating temperature: -20°C to 55°C
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