Fire safety switch PROJOY PEFS-EL40H-4 – P2 (MC4) – 2 strings
Product code: ME6922
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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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 fire safety switch PROJOY PEFS-EL40H-4 (version P2, MC4) is an isolation device for photovoltaic installations with a built-in DC isolator, designed for quick disconnection of PV circuits in emergency situations. The model marked 40H offers a nominal current close to 40 A per string and is intended for handling installations with up to 2 strings.
Manufacturer: ProJoy Electric Co., Ltd. (XinTang Industrial Zone, PingJiang District, Suzhou, China). The company specializes in designing and manufacturing DC switches for photovoltaic applications; the PEFS offer uses the popular PEDS type DC switch, meeting international standards and possessing certifications such as TUV, CE, CB, SAA, UL, CCC.
Electrical parameters
- Nominal string voltage of the system: up to 1500 V DC (range 300–1500 V DC)
- Nominal current (40H variant): 40 A (current per string)
- Number of strings: 2
- Built-in DC isolator: PEDS type with a response time of the mechanism of ~5 ms
- Control power supply voltage: 100–270 VAC (nominal voltage 230 VAC)
- Nominal control circuit current: 30 mA
- Automatic disconnection function when exceeding temperature: 70 °C
- Usage category according to standards: DC-PV2 / DC-PV1; standards: IEC 60947-3 (ed.3.2):2015, UL508i, GB14048.3
- Number of operations: 10000; number of operations under load (PV1): >1500
Mechanical parameters
- Protection degree of the enclosure: IP66
- Protection class: II
- Operating temperature range: -20 °C to +50 °C
- Storage temperature range: -40 °C to +85 °C
- Maximum temperature before automatic disconnection: +70 °C
- Dimensions (according to drawings in the datasheet): enclosure/cover — external dimensions 250 mm × 220 mm; mounting hole spacing 176 mm; depth/height of the visible element as shown in the drawing: 170 mm and 150 mm; additional dimensions indicated in the drawing: 276.11 mm, 115.80 mm, 34.80 mm, 20.80 mm
- Equipment: prepared holes, cable connectors, MC4 connectors; breather valve to prevent condensation inside the enclosure
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