101 / 543
2010 CA08103002Z-EN
www.eaton.comCircuit-breakers, switch-disconnectors
17/5
NZM
Basic devices
Circuit-breakers
1
Rated uninterrupted current up to
1600 A
Switching capacity 25, 36, 50, 150 kA
at 415 V
Adjustable releases for overload
and short-circuit
Adjustable time selectivity
Protection of systems, cables,
motors, generators
3 and 4 pole; IEC/EN 60947
￫Page 17/8
Switch-disconnectors
1
Rated uninterrupted current up
to 1600 A
Can be tripped remotely with
undervoltage or shunt release
3 and 4 pole; IEC/EN 60947
￫Page 17/42
Circuit-breakers for
North America
1
Rated uninterrupted current up
to 1200 A
Switching capacity 25, 35,
100 kA at 480 V
Adjustable release for
overload and short-circuit
Adjustable time selectivity
Protection of systems, cables,
motors, generators
3 and 4 pole, UL 489/CSA 22.2
no. 5.1, IEC/EN 60947
￫Page 17/54
Molded case switches for
North America
1
Rated uninterrupted current up
to 1200 A
Can be tripped remotely with
undervoltage or shunt release
3 pole, UL489/CSA 22.2 no. 5.1
￫Page 17/80
Add-on functions
Standard auxiliary contacts
(HIV)
15
Switches with the main
contacts.
Performs signalling and
interlock functions
￫Page 17/106
Trip-indicating auxiliary
contacts (HIA)
15
General trip indication '+',
when tripped by voltage
release, overload release or
short-circuit release
￫Page 17/106
Early-make auxiliary
contacts
36
For interlock and
load-shedding circuits
￫Page 17/106
Voltage releases
15
Undervoltage releases
Shunt releases
￫Page 17/108
Insulated enclosures
38
Safety switches (maintenance
and manual override switches)
approved for use in potentially
explosive areas in Zone 22.
Degree of protection IP66
￫Page 17/142
Delay unit for undervoltage
releases
37
￫Page 17/114
Rear-mounted drives
18
￫Page 17/127
Door coupling rotary
handles
20
22
• Lockable
• With door interlock
￫Page 17/118
Main switch rotary handles
for side wall installation
19
￫Page 17/125
Extension shaft
21
Can be cut to required length
￫Page 17/118
Rotary handles
23
Lockable
￫Page 17/122
Remote operators
26
For remote switching of
circuit-breakers and switch-
disconnectors
￫Page 17/134
Residual-current protection
device
17
￫Page 17/135
Toggle lever locking device
27
￫Page 17/129
Side operator handle
28
￫Page 17/128
Mechanical interlocks
29
￫Page 17/130
Communication module
NZM for SmartWire-Darwin
33
For reading status data,
current values, switch model
and set values
￫Page 17/140
ATEX
Measuring and
communication module
16
For reading current, voltage,
power and energy
MODBUS interface on board
￫Page 17/141
Display
30
Connectable to modules
NZM…XMC-MB
With templates for viewing
XMC readings
Indication of min. and max.
values
￫Page 17/141
Data management interface
(DMI module)
31
Access to diagnostics and
operational data
Acquisition of current values
Motor starter function
Parameterization and control
of circuit-breakers with
electronic releases
￫Page 17/139
PROFIBUS-DP interface
32
￫Page 17/139
Mounting accessories
Connection width
extensions
9
NZM3 ￫Page 17/92
NZM4 ￫Page 17/103
Control cable terminals
8
For two terminal locations at
top or bottom
NZM1 ￫Page 17/84
NZM2 ￫Page 17/88
NZM3 ￫Page 17/84
NZM4 ￫Page 17/104
Tunnel terminals for Al and
copper cables
6
Standard with control circuit
terminal
NZM1 ￫Page 17/82
NZM2 ￫Page 17/86
NZM3 ￫Page 17/94
NZM4 ￫Page 17/102
Box terminals
7
Standard equipment on
construction size 1
Flush mounting within the
switch housing
NZM1 ￫Page 17/82
NZM2 ￫Page 17/86
NZM3 ￫Page 17/92
Terminal covers
4
Protection against direct
contact where cable lugs, bars
or tunnel terminals are used
NZM1 ￫Page 17/84
NZM2 ￫Page 17/88
NZM3 ￫Page 17/98
NZM4 ￫Page 17/104
Terminal covers,
knockout
3
NZM1 ￫Page 17/84
NZM2 ￫Page 17/88
NZM3 ￫Page 17/98
NZM4 ￫Page 17/104
Clips
11
NZM1-XC35 for 35-mm-
top-hat rail
NZM2-XC75 for 75-mm-
top-hat rail
￫Page 17/129
Busbar adapters
12
￫Page 17/132
Rear connection terminals
13
NZM1 ￫Page 17/82
NZM2 ￫Page 17/86
NZM3 ￫Page 17/94
NZM4 ￫Page 17/102
Plug-in units and
withdrawable units
10
￫Page 17/105
Insulating surround
24
For toggle levers, rotary
mechanisms and remote
operators
￫Page 17/129
External warning plate/
designation labels
25
￫Page 17/54
Spacers
14
￫Page 17/129
IP2X protection against
contact with finger
2
For box terminals
NZM1 ￫Page 17/84
NZM2 ￫Page 17/88
NZM3 ￫Page 17/98
IP2X protection against
contact with finger
5
For covers
NZM1 ￫Page 17/84
NZM2 ￫Page 17/88
NZM3 ￫Page 17/98