Eaton NZMB2-M160

Eaton NZMB2-M160 is listed under Electrical Components / Motor Protection Circuit Breakers. Sales unit: pcs; Eaton catalogue number: 265716; Depth: 149 mm; Height: 184 mm; Width: 105 mm; Weight: 2.327 kg.

Manufacturer part number (MPN)

NZMB2-M160

EAN / GTIN

4015082657161

Sales unit

pcs

Eaton catalogue number

265716

Depth

149 mm

Height

184 mm

Width

105 mm

Weight

2.327 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947; IEC

Functions

Motor protection

Amperage Rating

160 A

Application

Use in unearthed supply systems at 440 V

Circuit breaker frame type

NZM2

Fitted with

Thermal protection

Number of poles

Three-pole

Release system

Thermomagnetic release

Type

Circuit breaker

Ambient operating temperature - max

70 °C

Ambient storage temperature - max

70 °C

Ambient operating temperature - min

-25 °C

Equipment heat dissipation, current-dependent

38.4 W

Rated operational current for specified heat dissipation (In)

160 A

Direction of incoming supply

As required

Electrical connection type of main circuit

Screw connection

Handle type

Rocker lever

Instantaneous current setting (Ii) - max

2240 A

Instantaneous current setting (Ii) - min

1280 A

Isolation

500 V AC (between auxiliary contacts and main contacts); 300 V AC (between the auxiliary contacts)

Lifespan, electrical

7500 operations at 415 V AC-1; 10000 operations at 400 V AC-1

Number of operations per hour - max

120

Overload current setting (Ir) - max

160 A

Overload current setting (Ir) - min

125 A

Overvoltage category

III

Pollution degree

3

Rated impulse withstand voltage (Uimp) at auxiliary contacts

6000 V

Rated impulse withstand voltage (Uimp) at main contacts

8000 V

Rated insulation voltage (Ui)

690 V

Rated operating power at AC-3

230 V

45 kW

Rated operating power at AC-3

400 V

90 kW

Rated operational current

134 A (400 V AC-3)

Rated short-circuit making capacity Icm at 240 V

50/60 Hz

63 kA

Rated short-circuit making capacity Icm at 400/415 V

50/60 Hz

53 kA

Rated short-circuit making capacity Icm at 440 V

Short-circuit release non-delayed setting - max

2240 A

Short-circuit release non-delayed setting - min

1280 A

Short-circuit total breaktime

< 10 ms

Utilization category

A (IEC/EN 60947-2)

Voltage rating

440 V - 440 V

Climatic proofing

Damp heat, cyclic, to IEC 60068-2-30; Damp heat, constant, to IEC 60068-2-78

Degree of protection

IP20; IP20 (basic degree of protection, in the operating controls area)

Degree of protection (IP), front side

IP40 (with insulating surround); IP66 (with door coupling rotary handle)

Degree of protection (terminations)

IP00 (terminations, phase insulator and strip terminal); IP10 (tunnel terminal)

Lifespan, mechanical

20000 operations

Mounting Method

Fixed; Built-in device fixed built-in technique

Protection against direct contact

Finger and back-of-hand proof to VDE 0106 part 100

Shock resistance

20 g (half-sinusoidal shock 20 ms)

Switch off technique

Thermomagnetic

Optional terminals

Box terminal. Connection on rear. Tunnel terminal

Standard terminals

Screw terminal

Terminal capacity (aluminum solid conductor/cable)

16 mm² (1x) at tunnel terminal; 10 mm² - 16 mm² (1x) direct at switch rear-side connection; 10 mm² - 16 mm² (2x) direct at switch rear-side connection

Terminal capacity (aluminum stranded conductor/cable)

25 mm² - 50 mm² (2x) direct at switch rear-side connection; 25 mm² - 50 mm² (1x) direct at switch rear-side connection; 25 mm² - 185 mm² (1x) at tunnel terminal

Terminal capacity (control cable)

0.75 mm² - 1.5 mm² (2x); 0.75 mm² - 2.5 mm² (1x)

Terminal capacity (copper busbar)

Min. 16 mm x 5 mm direct at switch rear-side connection; M8 at rear-side screw connection; Max. 24 mm x 8 mm direct at switch rear-side connection

Terminal capacity (copper solid conductor/cable)

6 mm² - 16 mm² (2x) direct at switch rear-side connection; 10 mm² - 16 mm² (1x) at box terminal; 10 mm² - 16 mm² (1x) direct at switch rear-side connection; 6 mm² - 16 mm² (2x) at box terminal; 16 mm² (1x) at tunnel terminal

Terminal capacity (copper stranded conductor/cable)

25 mm² - 185 mm² (1x) direct at switch rear-side connection; 25 mm² - 70 mm² (2x) direct at switch rear-side connection; 25 mm² - 70 mm² (2x) at box terminal; 25 mm² - 185 mm² (1x) at box terminal; 25 mm² - 185 mm² (1x) at 1-hole tunnel terminal

Terminal capacity (copper strip)

Min. 2 segements of 16 mm x 0.8 mm at rear-side connection (punched); Min. 2 segments of 9 mm x 0.8 mm at box terminal; Max. 10 segments of 24 mm x 0.8 mm at rear-side connection (punched); Max. 8 segments of 24 mm x 1 mm (2x) at box terminal; Max. 10 segments of 16 mm x 0.8 mm at box terminal

Document Name

Description Action

Rated operation power at AC-3, 400 V

90 kW

With integrated auxiliary switch

No

Rated permanent current Iu

160 A

With integrated under voltage release

No

Rated operating voltage

440 V

Overload release current setting

125–160 A

Power loss

38.4 W

With thermal overload protection

Yes

Type of electrical connection of main circuit

Screw connection

Type of control element

Rocker lever

Rated operation power at AC-3, 230 V

45 kW

Rated short-circuit breaking capacity Icu at 400 V, AC

18.5 kA

Adjustment range undelayed short-circuit release

1280–2240 A

Phase failure sensitive

No

Device construction

Built-in device fixed built-in technique

Country of origin

Romania

HS Code

8536.20

• EAN 4015082657161
• SAP 1000289114
• Code 847256