Solarmi OSPD20 outdoor surge arrester T1+T2 2+0 1010 Vdc 30A CE

Xtend Solarmi OSPD20

Surge arrester designed for the protection of photovoltaic devices. The construction itself is made of aluminum alloy (the same material as the supporting profiles of PV panels - there is no risk of electrochemical corrosion) with hermetically sealed internal circuits in polyurethane material with internal fire-retardant filler, taking into account the weather conditions and the method of assembly.

With regard to easy implementation into a string, the unit is realized as pass-through - both poles of the string are connected to the unit and both of them also exit. The connection is made with classic MC4 connectors (at the input with an integrated fuse) and wires with cross-sections of 6 mm2 (in some versions also 10 mm2) with double insulation and color resolution.

The connection of the PE conductor or the connection to the LPS elements is solved on the box's own chassis by means of a M10 (M8) screw through a pressed eye on a cabled conductor >16 mm2 or directly via a T-screw by connecting to the supporting structure/conduit LPS, possibly in combination.

The SPD unit itself is of class T1 + T2, where, due to the above-standard leakage resistance (12/25 kA), application is also possible to centers with less than 4 discharges (according to ČSN EN 51643-32).

Note

Due to the specific construction and location, it is necessary to measure the residual current at the maximum operating voltage after each interruption of the integrated fuse (due to the influence of the SPD). If it is higher than the maximum value specified by the manufacturer, it is necessary to replace the entire SPD module. An indication of a fuse break is the absence of voltage on the string circuit behind the SPD module.

Properties

• Suitable for DC network
• ISCPV short-circuit resistance: 10 kA
• Voltage protection level at In Upa: < 2.3 kV
• Aluminum alloy housing
• Classification according to ČSN EN 61643-11 ed. 2 and ČSN EN 61643-31, T1+T2

Design: Type 1: 2+0 (1 pair 6 mm2 input + 1 pair 6 mm2 output

Max. operating voltage between L+ and L-: 1010 V DC

Rated load current: 30 A

Connecting wires

• MC4
• length: 25 cm
• cross-section: 6/10 mm2

Ta response time: < 25 ns

Coverage: IP67

Dimensions: 234 x 126 x 34.4 mm

Operating temperature: -40 to +85 °C