Hermetic AC connection box IP65 EMITER with AC surge protector Dehn type 2, 20A 1-F

The hermetic connection box EMITER EM-71 AC is designed for photovoltaic installations, providing protection for AC circuits against surges. The model is supplied in a modular version, ready for connection, equipped with a type 2 surge protector and a single-phase circuit breaker 20 A. The enclosure has an increased protection degree of IP65 with transparent doors, and the design is adapted for surface mounting.

Manufacturer: Emiter Sp. z o.o., ul. Porcelanowa 27, 40-241 Katowice. The company offers enclosures and boxes intended for photovoltaic installations; the described variant (manufacturer code EM-71 AC) is fully equipped with protective components compliant with standards.

Electrical Parameters and Equipment

• AC surge protector: DEHN DG M TNS 275, type 2
• Rated AC voltage (UN): 230/400 V (50/60 Hz)
• Permanent operating voltage AC (UC): 275 V (50/60 Hz)
• Rated discharge current (8/20 µs) (In): 20 kA
• Maximum discharge current (8/20 µs) (Imax): 40 kA
• Voltage protection level [L-PE]/[N-PE] (UP): <= 1.5/ <= 1.5 kV (at 5 kA: <= 1/ <= 1 kV)
• Surge protector response time (tA): <= 25 ns
• Circuit breaker: Noark Ex9BN 1P B20, single-phase, characteristic B, rated current 20 A, breaking capacity ICN 6 kA
• Surge withstand capability of the protector at maximum fuse (ISCCR): 50 kArms

Mechanical and General Parameters

• Enclosure model: PHS 8T
• Number of modules: 8
• Protection degree: IP65
• Protection class: II
• Impact resistance: IK08
• Material: halogen-free material suitable for recycling
• Doors: transparent