Solar Junction Box DC 1String SPD T1T2

The boxes are designed for use in photovoltaic installations with or without insulated lightning protection, also where a high IP degree of protection is required. Their construction is suitable for surface mounting.

The price includes a complete DC box for self-assembly:

• 1 x module chain for 1 mppt
• 1 x DC surge arrester type 1+2
• Ready to connect
• Modular design
• MC4 board connections
• Degree of protection IP65
• Transparent door
• Protection class II
• Colour: white

ELECTRICAL AND MECHANICAL CHARACTERISTICS OF THE ENCLOSURE

• Model PHS 4T
• Number of modules 4
• Design in compliance with EN 60670-1, EN 62208
• Degree of protection IP65
• Protection class II
• Rated insulation voltage (Ui) 690 V AC, 1000 V DC
• Preheat test 650°C
• Impact resistance IK08
• Halogen-free recyclable plastic

DC SURGE ARRESTER USED

• Manufacturer/model PHOENIX/VAL-MS-T1/T2 1000DC-PV/2+V
• Surge protection Type 1+2
• Maximum permanent voltage UCPV 1050 V DC
• Short-circuit immunity I SCPV 2000 A
• Long-term operating current ICPV <20 uA
• Rated load current IL 80 A
• Protective conductor current IPE <=20 uA DC <=250 uA AC
• Standby power consumption PC <=25 mVA
• Rated discharge current (8/20) us 15 kA
• Max. discharge current Imax (8/20) us 40 kA
• Collected lightning current (10/350) us, load 2.5 As
• Collected lightning current (10/350) us, specific energy 6,25 kJ/OM
• Dissipated lightning current (10/350) us, peak Limp 5 kA
• Total dissipated current Itotal (8/20) us 40 kA
• Total dissipated current Itotal (10/350) us 5 kA
• Protection level Up <= 3.5 kV
• Residual voltage Ures <= 3.5 kV (at In)
• <= 2,9 kV (at 5kA)
• <= 3,2 kV (at 10kA)
• <= 3.7 kV (at 20kA)
• <= 4,1 kV (at 30kA)
• <= 4.6 kV (at 40kA)
• Response time tA <= 25ns
• Insulation resistance Riso <= 5 Gigia OM (at 500 VDC)