Hermetic AC Distribution Board Emiter EM-316_AC (50 A, 3-phase)

The Emiter EM-316_AC AC connection distribution board is a ready-to-connect surface-mounted solution designed for three-phase photovoltaic installations. The IP65-rated box is equipped with a type 1+2 surge arrester, a 50 A miniature circuit breaker, and a 300 mA residual current circuit breaker.

The Emiter EM-316_AC hermetic distribution board is adapted for surface mounting in photovoltaic systems with or without an isolated lightning protection system. The PHS 12T modular enclosure offers space for 12 modules and is made of halogen-free plastic with an IK08 impact resistance rating. The internal components feature protective equipment from Dehn and Noark. The entire unit has a transparent door, MC4 panel receptacles, and is factory-prepared for connection to the system.

Key features

• Integrated Dehn DSH TNS 255 type 1+2 surge arrester.
• Three-phase Noark Ex9BN 3P miniature circuit breaker with a rated current of 50 A and B tripping characteristic.
• Residual current circuit breaker with a rated residual current of 300 mA, sensitive to sinusoidal and pulsating direct currents.
• High IP65 protection rating and Class II equipment enclosure.
• Surge arrester adapted to operate in a wide temperature range from -40 °C to +80 °C.

Technical data

Number of phases	3
Maximum AC current	50 A
Net depth	144 mm
Surge arrester type	1+2
Protection rating	IP65
Impact resistance	IK08
Rated insulation voltage (Ui)	690 V AC, 1000 V DC
Rated short-circuit breaking capacity (MCB)	6 kA
Total discharge current Itotal	50 kA
Voltage protection level Up	<= 1.5 kV