EMITER AC Connection Distribution Board IP65 with AC Surge Protection Dehn Type 2, 32A 3-F

EMITER Hermetic Connection Distribution Board (EM-111 AC) is a complete box designed for photovoltaic installations, equipped with an AC surge protector type 2 and a three-phase circuit breaker 32A. The enclosure provides a high degree of protection IP65, transparent doors, and MC4 terminal connections, making it ready for surface mounting and direct connection to the PV installation.

The manufacturer is Emiter Sp. z o.o. from Katowice — a company offering specialized solutions for electrical and photovoltaic installations. The supplied variant uses components from reputable manufacturers: Noark Ex9BN (3P B32) circuit breaker and Dehn DG M TNS 275 surge protector, ensuring compliance with applicable standards and high reliability of operation.

Electrical Parameters and Key Features of Components

• AC Surge Protector: Dehn DG M TNS 275, type 2 compliant with PN-EN 61643-11
• Nominal AC Voltage (UN): 230 / 400 V (50/60 Hz)
• Maximum Permanent Operating Voltage AC (UC): 275 V (50/60 Hz)
• Nominal Discharge Current (8/20 µs) (In): 20 kA; Imax: 40 kA
• Voltage Protection Level [L-PE]/[N-PE] (UP): ≤ 1.5 / ≤ 1.5 kV; at 5 kA ≤ 1 / ≤ 1 kV
• Response Time (tA): ≤ 25 ns
• Circuit Breaker: Noark Ex9BN 3P B32, rated current 32 A, characteristic B, number of poles 3
• Rated Short-Circuit Breaking Capacity (ICN) of the Circuit Breaker: 6 kA

Mechanical Parameters and Enclosure Construction

• Enclosure Model: PHS 12T
• Number of Modules: 12
• Construction Compliant with Standards: EN 60670-1, EN 62208
• Degree of Protection: IP65
• Protection Class: II
• Rated Insulation Voltage (Ui): 690 V AC, 1000 V DC
• Glow Wire Test: 650°C
• Impact Resistance: IK08
• Material: halogen-free recyclable plastic
• Additional Mechanical Features: transparent doors, white colour, modular design, MC4 terminal connections