TWERD PS300-WT 3kW, on-grid, 3-F (Turbine 1500W, 2800W ON GRID)
Product code: ME7191
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
TWERD PS300-WT 3kW (on-grid, 3-phase)
A three-phase transformerless inverter designed for operation with small turbines (synchronous generator with permanent magnets). The device is used to feed energy into a three-phase grid of 3×400 V 50 Hz, has protections against generator runaway, and relays controlling braking resistors.
Manufacturer Information
The manufacturer is TWERD Energy Electronics Plant Sp. z o.o. (TWERD) - a manufacturer of inverters and systems for renewable energy sources, providing devices with technical documentation and service support.
Electrical and Technical Parameters
- Rated AC power: 3 kW
- WT input (AC) - generator operating range: 3×60…425 VAC, nominal generator voltage 3×400 VAC
- Max. input current from generator (IGEN-MAX): 13 A (3 kW version)
- Output voltage (grid): 3×400 V, 50 Hz
- Nominal output current (IOUT): 4.5 A
- Max. efficiency: 97 %
- THD of output current: < 3 %
- Switching frequency (carrier): 16 kHz
- Internal relays for controlling braking resistors: capacity 30 A AC1 (applies to 3–10 kW inverters)
- Power consumption in standby: 20 W
Mechanical and Mounting Parameters
- Dimensions (W × H × D): 426 mm × 490 mm × 214 mm (data from Fig. 3.1 for on-grid inverters 3–10 kW)
- Weight (with mounting frame): 33 kg
- Protection rating: IP65
- Mounting position: vertical, with connections facing down (max. tilt ±15°)
- Cooling recommendations: maintain a minimum of 20 cm of free space from the top and bottom and 10 cm from the sides; regular cleaning of the radiator
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