DEHN DCU 2 YPV 1100 2M 1S Type 2 Surge Protective Device for Photovoltaic Systems, 2 MPPT, 1 String per MPPT, 1100 V DC, IP65 Enclosure 900921

This Type 2 surge protective device safeguards photovoltaic installations with two MPPT inputs and one string per MPPT, offering a maximum continuous operating voltage of 1100 V DC. Its integrated SCI disconnector ensures safe isolation in case of overload, while the IP65 polycarbonate enclosure withstands harsh outdoor conditions.

Advantages

The DCU 2 YPV 1100 2M 1S protects sensitive PV electronics from surge voltages, reducing downtime and repair costs. Pre-wired for quick installation, it features a visual fault indicator for easy status checks. Its high discharge capacity (Imax 40 kA) and low voltage protection level (≤4.0 kV) provide robust protection for modern PV systems.

Suitable for

• Photovoltaic systems with two MPPT trackers and one string per tracker
• Outdoor installations requiring IP65-rated protection
• Systems operating up to 1100 V DC

Key specifications

• Type 2 SPD per EN 50539-11
• Max. continuous operating voltage Ucpv: 1100 V DC
• Nominal discharge current (8/20 µs): 20 kA
• Max. discharge current (8/20 µs): 40 kA
• Voltage protection level: ≤ 4.0 kV
• Short-circuit withstand capability: 1000 A DC
• Number of MPPT inputs: 2
• Strings per MPPT: 1
• Enclosure: polycarbonate, IP65
• Mounting: wall
• Connection: screw terminals, 1.5–16 mm² (solid) / 1.5–10 mm² (stranded)
• Operating temperature: -40 °C to +80 °C

Recommendations

For reliable surge protection in photovoltaic systems with dual MPPT configuration, the DEHN DCU 2 YPV 1100 2M 1S offers proven performance and easy installation.