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
Ambient temperatureAmbient temperature, storage
- 40 - + 70 °C
Ambient temperatureOperation
-25 - +70 °C
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° right/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 operating controls area: IP20 (basic degree of protection)
Degree of protectionEnclosures
With insulating surround: IP40
With door coupling rotary handle: IP66
Degree of protectionTerminations
Tunnel terminal: IP10
Phase isolator and strip terminal: IP00
Other technical data (sheet catalogue)
Rated current = rated uninterrupted current [In= Iu]
50 A
Rated surge voltage invariability [Uimp]Main contacts
6000 V
Rated surge voltage invariability [Uimp]Auxiliary contacts
6000 V
Rated operational voltage [Ue]
690 V AC
Overvoltage category/pollution degree
III/3
Rated insulation voltage [Ui]
690 V
Use in unearthed supply systems
≦ 690 V
Rated short-circuit making capacity [Icm]240 V [Icm]
187 kA
Rated short-circuit making capacity [Icm]400/415 V [Icm]
105 kA
Rated short-circuit making capacity [Icm]440 V 50/60 Hz [Icm]
74 kA
Rated short-circuit making capacity [Icm]525 V 50/60 Hz [Icm]
40 kA
Rated short-circuit making capacity [Icm]690 V 50/60 H [Ic]
17 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]
85 kA
Rated short-circuit breaking capacity Icn[Icn]Icu to IEC/EN 60947 test cycle O-t-CO [Icu]400/415 V 50/60 Hz [Icu]
50 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]
35 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]
20 kA
Rated short-circuit breaking capacity Icn[Icn]Icu to IEC/EN 60947 test cycle O-t-CO [Icu]690 V 50/60 Hz [Icu]
10 kA
Rated short-circuit breaking capacity Icn[Icn]Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]240 V 50/60 Hz [Ics]
85 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]
50 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]
35 kA
Rated short-circuit breaking capacity Icn[Icn]Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]525 V 50/60 Hz [Ics]
10 kA
Rated short-circuit breaking capacity Icn[Icn]Ics to IEC/EN 60947 test cycle O-t-CO-t-CO [Ics]690 V 50/60 Hz [Ics]
7.5 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
Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release) [Operations]
20000
Lifespan, electricalAC-1400 V 50/60 Hz [Operations]
10000
Lifespan, electricalAC-1415 V 50/60 Hz [Operations]
10000
Lifespan, electricalAC-1690 V 50/60 Hz [Operations]
7500
Lifespan, electricalAC--3400 V 50/60 Hz [Operations]
7500
Lifespan, electricalAC--3415 V 50/60 Hz [Operations]
7500
Lifespan, electricalAC--3690 V 50/60 Hz [Operations]
5000
Lifespan, electricalMax. operating frequency
120 Ops/h
Total break time at short-circuit
< 10 ms
Standard equipment
Box terminal
Accessories required
NZM1-XSVS
Optional accessories
Screw connection
Tunnel terminal
connection on rear
Round copper conductorBox terminalSolid
1 x (10 - 16)
2 x (6 - 16) mm2
Round copper conductorBox terminalStranded
1 x (10 - 70)3)
2 x (6-25) mm2
Round copper conductorBox terminal
3)Up to 95 mm² can be connected depending on the cable manufacturer.
Round copper conductorTunnel terminalSolid
1 x 16 mm2
Round copper conductorTunnel terminalStranded1-hole
1 x (25 - 95) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchSolid
1 x (10 - 16)
2 x (6 - 16) mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switchStranded
1 x (10 - 70)3)
2 x 25 mm2
Round copper conductorBolt terminal and rear-side connectionDirect on the switch
3)Up to 95 mm² can be connected depending on the cable manufacturer.
Al circular conductorTunnel terminalSolid
1 x 16 mm2
Al circular conductorTunnel terminalStrandedStranded
1 x (25 - 95) mm2
Al circular conductorBolt terminal and rear-side connectionDirect on the switchSolid
1 x (10 - 16)
2 x (10 - 16) mm2
Al circular conductorBolt terminal and rear-side connectionDirect on the switchStranded
1 x (25 - 35)
2 x (25 - 35) mm2
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.]
9 x 9 x 0.8 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionScrew connection
M6
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [min.]
12 x 5 mm
Copper busbar (width x thickness) [mm]Bolt terminal and rear-side connectionDirect on the switch [max.]
16 x 5 mm
Control cables
1 x (0.75 - 2.5)
2 x (0.75 - 1.5) mm2