Solar Photovoltaic PV DC Combiner Box Surge Lightning Protection 1 Input 1 Out DC 600V Fuse MCB SPD HT Waterproof Box IP65

Product Description

■ Product Overview
Solar PV DC Combiner Box Surge Lightning Protection (1 Input 1 Output)

Designed for solar photovoltaic systems, this 1 in 1 out combiner box features reliable surge lightning protection, high-safety fuses, and an MCB housed in a heavy-duty IP65 waterproof enclosure.

✔ Protective Features: Built-in 1000V Fuse holder with 15A fuse, 2P DC 600V MCB 32A, and 2P DC SPD 600V.
✔ Robust Build: High-quality PVC box material designed for easy wall mounting.
✔ Environment Friendly: Durable sealing ensures IP65 protection grade for indoor and outdoor installations.
■ Technical Specifications
Photovoltaic System Parameters
Rated Voltage DC 600V
Max Input Amp (each string) 15A
Input / Output Strings 1 Input / 1 Output
Surge Protection Category II Grade Protection
Nominal Discharge Amp (In) 20KA
Max Discharge Amp (Imax) 40KA
Voltage Protection Level (Up) 3.2KV
SPD Max Operation Voltage DC 600V
Poles / Structure 2P / Plug push module
Protection Grade IP65
Output Switch DC circuit breaker
Box Material PVC
Operating Temperature -25℃ to +60℃
Installation Type Wall mounting (Indoors/Outdoors)
Dimensions (W*H*D) 200mm * 155mm * 95mm
■ Product Gallery
■ Packing & Delivery

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■ Production & Machinery
Product Manufacturing Video
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■ Frequently Asked Questions (FAQ)
Q1: What is the main function of this PV combiner box?
A1: It aggregates the DC current of 1 solar PV string into a single output. It integrates crucial protection components, including DC fuses, a DC circuit breaker, and a DC surge protective device (SPD) to guard against overcurrent and lightning strikes.
Q2: Can this combiner box be installed outdoors?
A2: Yes. The combiner box is housed in a durable PVC enclosure with an IP65 protection grade, making it dust-tight and resistant to water jets from any direction. It functions safely in temperatures ranging from -25°C to +60°C.
Q3: What safety certifications or components are built into the system?
A3: The unit includes a 1000V fuse holder equipped with a 15A fuse, a 2-pole 600V DC miniature circuit breaker (MCB) rated at 32A, and a 2-pole DC surge protection device (SPD) rated up to 600V.
Q4: What is the surge protection rating of the SPD?
A4: The built-in surge protection device offers Grade II protection with a nominal discharge current (In) of 20KA, a maximum discharge current (Imax) of 40KA, and a voltage protection level (Up) of 3.2KV.
Q5: Is this box compatible with wall mounting?
A5: Yes, the structural design is optimized for simple and secure wall-mounting installations, both indoors and outdoors.

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