Electrical data
1X230 V
S1256-8
230V ~ 50HzRated voltage
14(16)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
16(16)A
rms
Max operating current including 0.5 kW immersion heater (Recommended fuse rating).
20(20)A
rms
Max operating current including 1.5 kW immersion heater (Recommended fuse rating).
24(25)A
rms
Max operating current including 2.5 kW immersion heater (Recommended fuse rating).
31(32)A
rms
Max operating current including 4 kW immersion heater (Recommended fuse rating).
33(40)A
rms
Max operating current including 4.5 kW immersion heater (Recommended fuse rating).
0.5/1/1.5/2/2.5/3
/3.5/4/4.5
kWAdditional power
S1256-13
230 V ~ 50 HzRated voltage
22(25)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
26(32)A
rms
Max operating current including 1 kW immersion heater (Recommended fuse rating).
30(32)A
rms
Max operating current including 2 kW immersion heater (Recommended fuse rating).
39(40)A
rms
Max operating current including 4 kW immersion heater (Recommended fuse rating).
48(50)A
rms
Max operating current including 6 kW immersion heater (Recommended fuse rating).
52(63)A
rms
Max operating current including 7 kW immersion heater (Recommended fuse rating).
1/2/3/4/5/6/7kWAdditional power
3X230 V
S1256-8
230V 3 ~ 50HzRated voltage
14(16)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
16(16)A
rms
Max operating current including 0,5 kW immersion heater (Recommended fuse rating).
20(20)A
rms
Max operating current including 1,5 kW immersion heater (Recommended fuse rating).
23(25)A
rms
Max operating current including 2,5 kW immersion heater (Recommended fuse rating).
21(25)A
rms
Max operating current including 4 kW immersion heater (Recommended fuse rating).
25(25)A
rms
Max operating current including 4,5 kW immersion heater (Recommended fuse rating).
0.5/1/1.5/2/2.5/3
/3.5/4/4.5
kWAdditional power
S1256-13
230V 3 ~ 50HzRated voltage
22(25)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
28(32)A
rms
Max operating current including 2 kW immersion heater (Recommended fuse rating).
28(32)A
rms
Max operating current including 4 kW immersion heater (Recommended fuse rating).
37(40)A
rms
Max operating current including 6 kW immersion heater (Recommended fuse rating).
46(50)A
rms
Max operating current including 9 kW immersion heater (Recommended fuse rating).
2/4/6/9kWAdditional power
3X400 V
S1256-8
400V 3N ~ 50HzRated voltage
12(16)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
16(16)A
rms
Max operating current including 0.5 – 6.5 kW immersion heater (Recommended fuse rating).
0.5/1/1.5/2/2.5/3
/3.5/4/4.5/5/5.5/6/6.5
kWAdditional power
S1256-13
400V 3N ~ 50HzRated voltage
8(10)A
rms
Max operating current including 0 kW immersion heater (Recommended fuse rating).
11(16)A
rms
Max operating current including 1 kW immersion heater (Recommended fuse rating).
16(20)A
rms
Max operating current including 2 – 4 kW immersion heater (Recommended fuse rating).
20(25)A
rms
Max operating current including 5 – 7 kW immersion heater (Recommended fuse rating).
22,5(25)A
rms
Max operating current including 9 kW immersion heater, requires reconnection (Recommended fuse rating).
71Chapter 13 | Technical dataNIBE S1256