Fireman switch for the connection to 4 MPP tracker.
Suitable for remote disconnection of the DC side by the fire department.
Max. string voltage Uoc: 1100V
Integrated surge protection with class I+II combined arresters with signal contact.
Suitable for protection against overvoltages in a photovoltaic system according to EN 51643-32.
MPP1:
2 inputs, connection via WM4 C connector, compatible with cable type TÜV 2 Pfg1169/08.07 / EN 50618:2063
1 output, connection via WM4 C connector, compatible with cable type TÜV 2 Pfg1169/08.07 / EN 50618:2063
MPP2 to 4:
identical to MPP1
DC fireman switch:
Switching off by undervoltage triping.
Switching off by reaching a temperature of 100°C in the housing.
Automatic reconnection after the control voltage (230 V AC) is applied again.
With signal contact.
Connection of the fireman switch control line 230 VAC via cable glands (8-12mmØ) max. conductor cross-section: 1.5mm².
Connection of the signal contact 24 VDC via cable glands (8-12mmØ) max. conductor cross-section: 1.5mm².
Protection class: IP65.
All built into a glas fibre reinforced polyester housing. Dimensions HxWxD: 346x400x132mm.
Approval according to low voltage switchgear IEC 61439-1:2011 and EN 61439-2:2011
