S1256-13
1/2/3/4/5/6/7 (switchable
to 2/4/6/9)
kWAdditional power
S1256-18
400V 3N ~ 50HzRated voltage
10(10)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
13(16)A
rms
Max operating current including 1 kW immersion heater (Recommended fuse rating).
18(20)A
rms
Max operating current including 2 – 4 kW immersion heater (Recommended fuse rating).
22(25)A
rms
Max operating current including 5 – 7 kW immersion heater (Recommended fuse rating).
24(25)A
rms
Max operating current including 9 kW immersion heater, requires reconnection (Recommended fuse rating).
1/2/3/4/5/6/7 (switchable
to 2/4/6/9)
kWAdditional power
2.35MVAShort circuit power (Ssc)
1
1
This equipment complies with IEC 61000-3-12, on the condition that the short circuit power Ssc is greater than or equal to 2.35 MVA at the connection point
between the customer installation’s electrical supply and the mains network. It is the responsibility of the installer or user of the equipment to ensure, through
consultation with the distribution network operator if required, that the equipment is only connected to a supply with a short circuit power Ssc equal to or
greater than 2.35 MVA.
NIBE S1256Chapter 13 | Technical data72