Solar Distribution Box AC 3PH B25 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 design 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 25A
• Ready to connect
• Modular design
• Degree of protection IP65
• Transparent door
• Protection class II
• Colour: white

ELECTRICAL AND MECHANICAL CHARACTERISTICS OF THE ENCLOSURE

• Model PHS 8T
• Number of modules 8
• 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

OVERCURRENT CIRCUIT BREAKER USED

• Manufacturer/model Noark/Ex9BN 3P B25
• Rated current 25A; 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: -