Solar Distribution Box DC+AC 2String 3PH SPD T1T2 - B20 SPD T1T2 RCD 40A 300mA

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 T1T2
• 1 x AC surge arrester T1T2
• 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-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
• Test lightning current (10/350) us, load 2.5 As
• Test lightning current (10/350) us, specific energy 6.25 kJ/OM
• Test 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)

*In case of low stock or lack of the right product, it is substituted with 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
• Characteristics B
• Version according to IEC/EN 60898-1
• Rated short-circuit breaking capacity ICN 6kA

AC SURGE ARRESTER USED

• Manufacturer/model Noark/Ex9UE1+2 12.5 3PN 275
• Design in accordance with EN 61643-11
• Type of arrester Type 1+2 (Class I+II, B+C, T1+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) L-N: 12.5 kA per pole, N-PE: 50 kA per pole
• Max. discharge current Imax (8/20 us) 50 kA per pole
• Voltage protection level Up for current In L-N: 1,5 kV, N-PE: 1.5 kV
• Voltage protection level Up for current Imax L-N: 1.8 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 supplementary fuse protection L-N: max. 160 A gG, N-PE: -
• Short-circuit current withstand capability L-N: 50 kA, N-PE: -

RESIDUAL CURRENT OPERATED CIRCUIT BREAKER

• Manufacturer - Noark
• Model - Ex9L-N 4P 40A 300mA
• Design in accordance with - EN 61008
• Rated switching voltage Ue - 240/415 V AC
• Min. voltage for residual current function - Voltage independent
• Voltage range for test button - 150 - 440 V
• Frequency f - 50 Hz
• Rated conditional fault current Inc - 6 kA
• Rated residual current In - 300 mA
• Sensitivity - sensitive to sinusoidal and pulsed rectified differential current
• Tripping time - delayless
• Rated withstand surge voltage Uimp - 6 kV
• Rated insulation voltage Ui - 500 V
• Surge current strength - 3000 A
• Mechanical endurance - 20 000 connections
• Electrical life - 4 000 connections
• Max. fuse overload protection - max. 32 A gG
• Fuse protection against short-circuit effects - max. 63 A gG
• Rated breaking capacity Im (Rated differential breaking capacity IDm) - 500 A
• Direction of power supply - Any (from above or below)