PROJOY Safety Switch PEFS-EL-50H-10(P2) 5 STRING
Product code: ME6877
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:
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Traditional Payments
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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 PEFS series fire safety switch (variant PEFS-EL50H-10) is an isolation DC switch designed for use in photovoltaic installations. The device serves to quickly disconnect the direct current circuit in emergency situations (e.g., fire), ensuring safe separation of PV panels from the building installation. The design includes arc extinguishing for direct current and automatic disconnection in case of overheating.
Manufacturer Information
The manufacturer of the device is Projoy (Projoy Electric), specializing in DC switches for photovoltaic applications. In commercial materials, the product is distributed by Foreintrade Sp. z o.o. (contact details and distribution information visible in the catalog sheet).
Electrical Parameters
- Nominal string voltage (Vdc): 300–1500 V DC
- Nominal current: 50 A (variant PEFS-EL50H-10)
- Number of inputs (inputs): 10 (variant PEFS-EL50H-10)
- Number of strings: 5 (variant PEFS-EL50H-10)
- Current per string (range): 9–85 A (series parameter)
- AC operating voltage (control power): 100–270 Vac (nominal 230 Vac)
- Nominal control circuit current AC: 30 mA
- Startup (charging current): average 100 mA
- Maximum switchable current: up to 300 mA
- Feedback contact (output): 24 V DC, max. 300 mA
- Usage category: DC-PV2 / DC-PV1 (according to IEC60947-3)
Mechanical and Installation Parameters
- Degree of protection: IP66
- Protection class: Class II
- Automatic disconnection at temperature: +70 °C
- Operating temperature range: -20 °C to +50 °C
- Dimensions of the housing (cover): 250 mm × 220 mm × 176 mm (cover dimensions provided in the catalog sheet)
- Mounting dimensions / hole spacing: total length 276.11 mm; internal dimension 150 mm; other dimensions and hole spacings visible in the technical drawing (including 115.80 mm, 170 mm)
- Other mechanical features: robust plastic housing, prepared mounting holes and cable entries, breathing valve to prevent condensation
- Installation notes: the switch housing should not be installed in direct sunlight or in direct contact with (continuous) penetrating water
- Mechanical/safety certifications and compliance: CE; isolator and switch compliant with EN 60947-1 & EN 60947-3; TUV, CB, SAA, UL, CCC certificates for the built-in isolator (regarding the series)
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