Emiter EM-171_AC AC Combiner Box (3-Phase, 25 A, IP65)

The hermetic Emiter EM-171_AC AC combiner box is a ready-to-connect surface-mounted solution designed for photovoltaic installations. The IP65 enclosure is factory-equipped with a 3-phase 25 A overcurrent circuit breaker and a Dehn Type 1+2 surge arrester.

The surface-mounted Emiter EM-171_AC combiner box is used in photovoltaic installations with or without an isolated lightning protection system. The PHS 12T modular enclosure is made of halogen-free plastic, featuring an IK08 impact resistance. The box is fully assembled, equipped with a transparent door and MC4 panel receptacles.

Key features

• Built-in 3-phase 25 A B-curve overcurrent circuit breaker
• Integrated Dehn Type 1+2 AC surge arrester
• Ready-to-connect surface-mounted enclosure accommodating 12 modules
• High IP65 protection rating and protection class II
• Halogen-free plastic with IK08 mechanical resistance

Technical data

Number of phases	3
Maximum AC current	25 A
Surge arrester type	1+2
Overcurrent circuit breaker model	Noark Ex9BN 3P B25
Circuit breaker breaking capacity (ICN)	6 kA
Surge arrester model	Dehn DSH TNS 255
Impulse current Iimp (10/350 µs) for L, N-PE	12.5 kA
Voltage protection level (UP)	<= 1.5 kV
Operating temperature range	-40°C ... +80°C
Enclosure protection rating	IP65
Glow wire test	650°C
Net depth	144 mm