Standards
IEC/EN 60947, VDE 0660
Protection against direct contact
Finger and back-of-hand proof to VDE 0106 part 100
Climatic proofing
Damp heat, constant, to IEC 60068-2-78
Damp heat, cyclic, to IEC 60068-2-30
Mechanical shock resistance (10 ms half-sinusoidal shock) according to IEC 60068-2-27
20 (half-sinusoidal shock 20 ms) g
Safe isolation to EN 61140Between auxiliary contacts and main contacts
500 V AC
Safe isolation to EN 61140between the auxiliary contacts
300 V AC
Mounting position
Vertical and 90° in all directions |
| With XFI earth-fault release: |
- NZM1, N1, NZM2, N2: vertical and 90° in all directions |
with plug-in unit |
- NZM1, N1, NZM2, N2: vertical, 90° right/left |
with withdrawable unit: |
- NZM3, N3: vertical, 90° left |
- NZM4, N4: vertical |
with remote operator: |
- NZM2, N(S)2, NZM3, N(S)3, NZM4, N(S)4: vertical and 90° in all directions |
Direction of incoming supply
as required
Degree of protectionDevice
In the area of the HMI devices: IP20 (basic protection type)
Degree of protectionEnclosures
with insulating surround: IP40with door coupling rotary handle: IP66
Degree of protectionTerminations
Tunnel terminal: IP10
Phase isolator and band terminal: IP00
Rated current = rated uninterrupted current [In= Iu]
300 A
Rated surge voltage invariability [Uimp]Main contacts
8000 V
Rated surge voltage invariability [Uimp]Auxiliary contacts
6000 V
Rated operational voltage [Ue]
440 V AC
Overvoltage category/pollution degree
III/3
Rated insulation voltage [Ui]
690 V
Use in unearthed supply systems
≦ 440 V
Rated short-circuit making capacity [Icm]240 V 50/60 Hz [Icm]
63 kA
Rated short-circuit making capacity [Icm]400/415 V 50/60 Hz [Icm]
53 kA
Rated short-circuit making capacity [Icm]440 V 50/60 Hz [Icm]
53 kA
Rated short-circuit breaking capacity Icn[Icn]Icu to IEC/EN 60947 test cycle O-t-CO [Icu]240 V 50/60 Hz [Icu]
30 kA
Rated short-circuit breaking capacity Icn[Icn]Icu to IEC/EN 60947 test cycle O-t-CO [Icu]400/415 V 50 Hz [Icu]
25 kA
Rated short-circuit breaking capacity Icn[Icn]Icu to IEC/EN 60947 test cycle O-t-CO [Icu]440 V 50/60 Hz [Icu]
25 kA
Rated short-circuit breaking capacity Icn[Icn]Icu to IEC/EN 60947 test cycle O-t-CO [Icu]525 V 50/60 Hz [Icu]
15 kA
Rated short-circuit breaking capacity Icn[Icn]Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]230 V 50/60 Hz [Ics]
30 kA
Rated short-circuit breaking capacity Icn[Icn]Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]400/415 V 50/60 Hz [Ics]
25 kA
Rated short-circuit breaking capacity Icn[Icn]Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]440 V 50/60 Hz [Ics]
18.5 kA
Rated short-circuit breaking capacity Icn[Icn]
Maximum back-up fuse, if the expected short-circuit currents at the installation location exceed the switching capacity of the circuit-breaker.
Utilization category to IEC/EN 60947-2
A
Rated making and breaking capacityRated operational current [Ie]AC-1380 V 400 V [Ie]
300 A
Rated making and breaking capacityRated operational current [Ie]AC-1415 V [Ie]
300 A
Rated making and breaking capacityRated operational current [Ie]AC--3380 V 400 V [Ie]
300 A
Rated making and breaking capacityRated operational current [Ie]AC--3415 V [Ie]
300 A
Rated making and breaking capacityRated operational current [Ie]AC--3660 V 690 V [Ie]
300 A
Lifespan, mechanical [Operations]
20000
Lifespan, electricalAC-1400 V 50/60 Hz [Operations]
10000
Lifespan, electricalAC-1415 V 50/60 Hz [Operations]
10000
Lifespan, electricalAC-2, AC-3415 V 50/60 Hz [Operations]
6500
Lifespan, electricalMax. operating frequency
120 Ops/h
Total break time at short-circuit
< 10 ms
Standard equipment
Screw connection
Round copper conductorBox terminalSolid
1 x (4 - 16)
2 x (4 - 16) mm2
Round copper conductorBox terminalStranded
1 x (25 - 185)
2 x (25 - 70) mm2
Round copper conductorTunnel terminalSolid
1 x 16 mm2
Round copper conductorTunnel terminalStrandedStranded
1 x (25 - 185) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchSolid
1 x (4 - 16)
2 x (4 - 16) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchStranded
1 x (25 - 185)
2 x (25 - 70) mm2
Al conductors, Cu cableTunnel terminalSolid
1 x 16 mm2
Al conductors, Cu cableTunnel terminalStrandedStranded
1 x (25 - 185) mm2
Al conductors, Cu cableBolt terminal and rear-side connectionFlat copper strip, with holes [min.]
2 x 16 x 0.8 mm
Al conductors, Cu cableBolt terminal and rear-side connectionFlat copper strip, with holes [max.]
10 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness)Box terminal [min.]
2 x 9 x 0.8 mm
Cu strip (number of segments x width x segment thickness)Box terminal [max.]
10 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness)Bolt terminal and rear-side connectionFlat copper strip, with holes [min.]
2 x 16 x 0.8 mm
Cu strip (number of segments x width x segment thickness)Bolt terminal and rear-side connectionFlat copper strip, with holes [max.]
10 x 16 x 0.8 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionScrew connection
M8
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [min.]
16 x 5 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [max.]
20 x 5 mm
Control cables
1 x (0.75 - 2.5)
2 x (0.75 - 1.5) mm2