Solar Distribution Box DC+AC 2String 3PH SPD T2 - B20 SPD T2

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 AC / DC box for self-assembly:

• 2 x module chain for 2 mppt
• 2 x DC surge arrester type 2
• 1 x type 2 AC surge arrester
• 1 x 3-phase overcurrent circuit breaker 20A
• Ready to connect
• Modular version
• MC4 board connections
• Degree of protection IP65
• Transparent door
• Protection class II
• Colour: white

ELECTRICAL AND MECHANICAL SPECIFICATIONS OF THE ENCLOSURE

• Model PHS 24T
• Number of modules 24
• 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
• 650°C glow rod test
• Impact resistance IK08
• Halogen-free recyclable plastic

DC SURGE ARRESTER USED

• Manufacturer/model PHOENIX/VAL-MS 1000DC-PV/2+V
• Surge protection Type 2
• Maximum permanent voltage UCPV 1170 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
• Total discharge current Itotal (8/20) us 40 kA
• Protection level Up <= 3.7 kV
• Residual voltage Ures <= 3.7 kV (at In)
• <= 3,1 kV (at 5kA)
• <= 3,5 kV (at 10kA)
• <= 4 kV (at 20kA)
• <= 4,6 kV (at 30kA)
• <= 5 kV (at 40kA)
• Response time tA <= 25ns
• Insulation resistance Riso <= 5 Gigia OM (at 500 VDC)
• *In case of low stock levels or lack of the right product
• it is replaced by an equivalent product from the OBO manufacturer

OVERCURRENT CIRCUIT BREAKER USED

• Manufacturer/model Noark/Ex9BN 3P B20
• Rated current 20A; 3-phase
• Number of poles 3
• Characteristic B
• Version according to IEC/EN 60898-1
• Rated short-circuit breaking capacity ICN 6kA

AC SURGE ARRESTER USED

• Manufacturer/model Noark/Ex9UE2 12.5 3PN 275
• Design in accordance with EN 61643-11
• Arrester type Type 2 (Class II, C, T2)
• Insertion type L-N: MOV (varistor), N-PE: GDT (spark gap)
• Endurance voltage Uc L-N: 275 V AC, N-PE: 255 V AC
• Frequency f 50-60Hz
• Rated discharge current In (8/20 us) L-N: 20 kA per pole, N-PE: 40 kA per pole
• Max. impulse current limp (10/350 us) N-PE: 12 kA per pole
• Max. discharge current Imax (8/20 us) 40 kA per pole
• Voltage protection level Up for current In L-N: 1,4 kV, N-PE: 1.5 kV
• Voltage protection level Up for current Imax L-N: 2 kV, N-PE: 1.5 kV
• Voltage protection level Up for 5 kA (8/20 us) L-N: 2 kV, N-PE: 1.5 kV
• N-PR fault current suppression capability Ifi 100A
• Surge surges Ut (withstand) L-N: 5s : 335 V, N-PE: 200 ms : 1200 V
• Arrester voltage for 1 mA current 387 - 473 V
• Maximum fuse protection L-N: max. 125 A gG, N-PE: -
• Short-circuit current withstand capability L-N: 50 kA, N-PE: -