Solar Distribution Box AC 3PH B20 SPD T2 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 box for self-assembly:

• 1 x type 2 AC surge arrester
• 1 x 3-phase overcurrent circuit breaker 20A
• 1 x residual current circuit breaker, 300mA
• Ready to connect
• Modular design
• Degree of protection IP65
• Transparent door
• Protection class II
• Colour: white

ELECTRICAL AND MECHANICAL SPECIFICATIONS OF THE ENCLOSURE

• Model PHS 12T
• Number of modules 12
• 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

RESIDUAL CURRENT CIRCUIT BREAKER USED

• Model Ex9L-N 300mA
• Design in accordance with EN 61008
• Rated switching voltage Ue 240/415 V AC
• Min. voltage for residual-current circuit-breaker function Voltage independent
• Voltage range for text button 150 - 440 V
• Frequency f 50 Hz
• Rated conditional fault current Inc 6 kA
• Rated residual current In 300 mA
• Sensitivity to sinusoidal and pulsed rectified differential current
• Tripping time without delay
• Rated withstand surge voltage Uimp 6 kV
• Rated insulation voltage Ui 500 V
• Surge current strength 3000 A
• Mechanical endurance 20,000 switching operations
• 4,000 switching cycles
• Overload fuse protection max. 32 A gG
• Fuse protection against short-circuit effects max. 63 A gG
• Rated breaking capacity Im (Rated breaking capacity IDm) 500 A
• Direction of power supply Any (from above or below)

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/Ex9UE2 12.5 3PN 275
• Design in accordance with EN 61643-11
• 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: -