PROJOY Safety Switch PEFS-EL50H-8(P2) 4-STRING
Product code: ME7273
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
The PROJOY PEFS-EL50H-8 fire safety switch (4-string variant) is an isolation DC switch designed for photovoltaic installations, intended for quickly disconnecting PV circuits in emergency situations (e.g., rescue services actions). The device ensures automatic disconnection of PV circuits, isolation of panels, and protection of the installation during a fire or service inspections.
Manufacturer Information
The manufacturer of the switch is Projoy Electric — a company specializing in protective equipment for DC systems in photovoltaic systems. Projoy offers solutions intended for commercial and large-scale applications, focusing on safety, certification, and compatibility with existing photovoltaic installations.
Selected Electrical Parameters
- Circuit voltage (Vdc): 300–1500 Vdc
- Nominal switch current: 50 A (variant EL50H)
- Number of strings / inputs: 4 strings (4-string variant)
- Type of wiring / connectors: prepared holes and MC4 connectors (according to variant P2)
- Leakage / triggering current of the isolator: typical values for the series: nominal isolator current ~30 mA, average triggering/engaging current of the isolator ~100 mA (information consistent with the PEFS series catalog)
- Nominal AC communication voltage: 230 Vac (auxiliary power supply for auxiliary devices)
- Communication interface / auxiliary power supply: 24 Vdc / 300 mA max (control/communication input)
- Operating temperature range: -20°C to +50°C, automatic switch off at housing temperature +70°C
- Protection level: IP66
Mechanical Parameters
- Housing: plastic housing / steel sheet depending on the variant, design prepared for installation with MC4 connectors
- Dimensions (approximate, mm): width ~437 mm, total height ~263 mm, depth ~90–100 mm (dimensions resulting from technical drawings of PEFS variants)
- Installation: mounting holes according to the technical drawing, possibility of wall or distribution cabinet mounting
- Weight: the weight of the device has not been clearly stated in the sheet; typical for modules of this class (the stated weight should be confirmed in the manufacturer's technical document)
- Additional mechanical features: breathing valve to prevent condensation inside the housing; prepared cable entries and the possibility of using MC4 connector sets
Customer reviews
If you've added a review and it doesn't appear on the list, it may be pending moderation.
Leave feedback on the product
