Solar Junction Box DC IP65 4String SPD T2

Features:

• RST PV DC-8 switchgear
• Box type: DC
• DC surge arrester: type 2, RST Solar PV T2 G 1000V DC
• Total number of strings: 4
• Number of inverter MPPT inputs: 4
• DC fuses: None
• DC isolation switch: None
• DC cable connection: MC4

DC side:

• Type 2 surge arrester for protection of DC circuits of photovoltaic installations up to 1000 V DC.
• Y-type three-mode configuration with GDT spark gap relative to the earth terminal.
• Construction of this type, completely limits leakage current to PE.
• Suitable for installations in facilities not equipped with LPS and for facilities with LPS and maintained separation distance.
• Protects against induced currents Imax (8/20 µs) with peak values up to 40 kA.

Specifications:

• SPD design type limiting voltage (+/-) from GDT to PE.
• Rated DC voltage Un 1000 V
• Peak PV DC+/- Ucpv ≤ 1000 V
• Highest PV DC - PE permanent voltage Ucpv ≤ 725 V
• Short-circuit immunity Iscpv 1000 A
• Protective conductor current IPE none
• Connection configuration Y
• Maximum discharge current (8/20 µs) Imax 40 kA
• Rated discharge current (8/20 µs) In 20 kA
• Voltage protection level DC+/- - PE Up < 4.0 kV
• DC+ - DC- < 4.0 kV
• Tripping time tA < 25 ns
• Cross-section of connection wires wire/strand S 2.5 - 35 mm2 / 2.5 - 25 mm2
• AVG 13 - 2 / 13 - 3
• Visual signalling functional / faulty green (blue) / red
• Temperature range T -40 ... +80°C
• Permissible humidity RH 90 %
• Housing material / Flammability class to UL 94 thermoplastic / V0
• Degree of protection IP 20
• Housing dimensions 54x 90 x 59 mm (3TE)
• Mounting 35 mm rail