Finder 7P.94.8.255.Z107 Type 2 Surge Protective Device for 1000 V DC Photovoltaic Systems, 3-Pole, 40 kA Imax, DIN Rail Mount

For solar installers and PV system integrators, the Finder 7P.94.8.255.Z107 is a Type 2 surge protective device engineered to safeguard photovoltaic installations from transient overvoltages. Designed for DIN rail mounting, it protects DC circuits up to 1000 V DC, ensuring reliable operation of inverters and solar arrays.

Key specifications

• SPD Type: Type 2
• Application: DC Photovoltaic (PV) Systems
• Max. Continuous Operating Voltage (Uc): 1000 V DC
• Nominal Discharge Current (In) (8/20 µs): 20 kA
• Max. Discharge Current (Imax) (8/20 µs): 40 kA
• Voltage Protection Level (Up): ≤ 3.5 kV
• Number of Poles/Modules: 3 (2+1)
• Protection Mode: Differential and Common Mode
• Mounting Type: DIN Rail 35 mm
• Status Indication: Visual (Green/Red)
• Operating Temperature Range: -40 to +80 °C
• Housing Material: Thermoplastic, UL 94 V-0
• Degree of Protection: IP20
• Response Time: < 25 ns
• Short-circuit withstand capability (Iscpv): 1000 A DC
• Protection Technology: Varistor (MOV)

Why choose it

This SPD offers high discharge capacity and a low voltage protection level, ensuring effective protection for sensitive PV electronics. Its visual status indicator allows quick on-site verification, and the compact DIN rail design simplifies installation in distribution boards.

Ideal use cases

• Rooftop and ground-mounted PV systems
• Solar inverters and combiner boxes
• DC distribution panels in commercial and residential installations

Good to know

The device is compliant with EN 61643-31 and IEC 61643-31 standards for PV surge protection. It does not include remote signaling contacts; status is indicated locally via the green/red window.