TWERD PS300-WT 10kW, on-grid, 3-F
Product code: ME7190
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 10kW (on-grid, 3-phase)
A three-phase, transformerless inverter designed for operation with small wind or water turbines equipped with a synchronous generator with permanent magnets. In the on-grid version, it is used to feed energy into the 3×400 V 50 Hz grid, controls the generator load, and has anti-runaway protections and resistor braking circuits for the generator.
Manufacturer Information
The device is manufactured by TWERD Energy Electronics Plant Sp. z o.o. (TWERD) - a Polish manufacturer specializing in renewable energy converters, design, production, and service of photovoltaic and wind inverters. Technical and service documentation is available in the company's user manual.
Electrical and Technical Parameters
- Rated AC power: 10 kW
- WT input (AC) - generator operating range: 3×60…425 VAC, nominal generator voltage 3×400 VAC
- Max. input current from generator (IGEN-MAX): 20 A (10 kW version)
- Output voltage (grid): 3×400 V, 50 Hz
- Nominal output current (IOUT): 14.5 A
- Max. efficiency: 97 %
- THD of output current: < 3 %
- Switching frequency (carrier): 16 kHz
- Built-in relays for controlling braking resistors: capacity 30 A AC1 (internal relays controlling resistors for 3–10 kW versions)
- 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 (suitable for outdoor installation)
- Mounting position: vertical, with connections facing down (max. tilt ±15°)
- Cooling / mounting clearances: maintain a minimum of 20 cm of free space from the top and bottom and 10 cm from the sides; use additional ventilation in a closed enclosure
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