- 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 protection

 

 

 

Device

 

 

In the operating controls area: IP20 (basic degree of protection)

Enclosures

 

 

With insulating surround: IP40

With door coupling rotary handle: IP66

Terminations

 

 

Tunnel terminal: IP10

Phase isolator and strip terminal: IP00

Other technical data (sheet catalogue)

 

 

Weight

Temperature dependency, Derating

Effective power loss

Circuit-breakers

Rated current = rated uninterrupted current

In = Iu

A

160

Rated surge voltage invariability

Uimp

 

 

Main contacts

 

V

8000

Auxiliary contacts

 

V

6000

Rated operational voltage

Ue

V AC

690

Overvoltage category/pollution degree

 

 

III/3

Rated insulation voltage

Ui

V

690

Use in unearthed supply systems

 

V

≦ 690

Switching capacity

Rated short-circuit making capacity

Icm

 

 

240 V

Icm

kA

187

400/415 V

Icm

kA

105

440 V 50/60 Hz

Icm

kA

74

525 V 50/60 Hz

Icm

kA

53

690 V 50/60 H

Ic

kA

40

Rated short-circuit breaking capacity Icn

Icn

 

 

Icu to IEC/EN 60947 test cycle O-t-CO

Icu

kA

 

240 V 50/60 Hz

Icu

kA

85

400/415 V 50/60 Hz

Icu

kA

50

440 V 50/60 Hz

Icu

kA

35

525 V 50/60 Hz

Icu

kA

25

690 V 50/60 Hz

Icu

kA

20

Ics to IEC/EN 60947 test cycle O-t-CO-t-CO

Ics

kA

 

240 V 50/60 Hz

Ics

kA

85

400/415 V 50/60 Hz

Ics

kA

50

440 V 50/60 Hz

Ics

kA

35

525 V 50/60 Hz

Ics

kA

25

690 V 50/60 Hz

Ics

kA

5

 

 

 

Maximum back-up fuse, if the expected short-circuit currents at the installation

location exceed the switching capacity of the circuit-breaker.

Rated short-time withstand current

 

 

 

t = 0.3 s

Icw

kA

1.9

t = 1 s

Icw

kA

1.9

Utilization category to IEC/EN 60947-2

 

 

A

Lifespan, mechanical(of which max. 50 % trip by shunt/undervoltage release)

Operations  

20000

Lifespan, electrical

 

 

 

AC-1

 

 

 

400 V 50/60 Hz

Operations  

10000

415 V 50/60 Hz

Operations  

10000

690 V 50/60 Hz

Operations  

7500

Max. operating frequency

 

Ops/h 120

11/01/2022

Eaton 192004 ED2022 V93.0 EN

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