Emiter EM-78_DCAC Hermetic Distribution Board (3-phase, 10 A, IP65)

The Emiter EM-78_DCAC hermetic distribution board is a ready-to-connect surface-mounted solution designed for 3-phase photovoltaic systems with a single MPPT. The device is factory-equipped with Type 1+2 Dehn surge arresters on the DC and AC sides, along with a 10 A miniature circuit breaker.

The Emiter EM-78_DCAC hermetic distribution board is designed to protect photovoltaic installations, including systems with or without an isolated lightning protection system. The enclosure with a transparent door offers an IP65 protection rating and 12 modules of operating space. The device features factory-installed MC4 panel connectors and is fully ready for surface mounting. Protection class II and halogen-free, recyclable plastic ensure an appropriate safety standard.

Key features

• Integrated Dehn DC and AC surge arresters (Type 1+2).
• 3-phase Noark 10 A miniature circuit breaker with B curve.
• Hermetic surface-mounted enclosure with an IP65 protection rating.
• Supports a single string of modules for 1 MPPT via MC4 connectors.

Technical data

Protection type	DC/AC
Number of phases	3
Number of MPPTs	1
Maximum AC current	10 A
DC surge arrester	Dehn DCB YPV 1200 (Type 1+2)
AC surge arrester	Dehn DSH TNS 255 (Type 1+2)
Miniature circuit breaker	Noark/Ex9BN 3P B10
Enclosure protection rating	IP65
Protection class	II
Net depth	144 mm
Operating temperature range	-40 °C ... +80 °C