Circuit breaker NZM4 PX N 3P 1250A TAZ

Eaton 189614 Circuit breaker NZM4, PX-protection, 3 polt, 1250 ampere, 50 kA, TAZ.

Manufacturer part number (MPN)

189614

EAN / GTIN

4015081875610

HS code

8536.90

Sales unit

pcs

Eaton catalogue number

189614

Depth

375 mm

Height

170 mm

Width

210 mm

Weight

19 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947; IEC

Functions

ARMS maintenance mode; Earth-fault protection; Integrated earth fault protection; Systems, cable, selectivity and generator protection; Zone selectivity

Amperage Rating

1250 A

Application

525 V

Circuit breaker frame type

NZM4

Features

Motor drive optional; Protection unit

Number of poles

Three-pole

Release system

Electronic 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

173.44 W

Rated operational current for specified heat dissipation (In)

1250 A

Direction of incoming supply

As required

Earth-fault current setting (Ig) - max

1250 x In

Earth-fault current setting (Ig) - min

250 x In

Electrical connection type of main circuit

Screw connection

Handle type

Rocker lever

Instantaneous current setting (Ii) - max

37500 A

Instantaneous current setting (Ii) - min

2500 A

Isolation

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

Lifespan, electrical

2000 operations at 690 V AC-1; 3000 operations at 415 V AC-1; 3000 operations at 400 V AC-1

Number of operations per hour - max

60

Overload current setting (Ir) - max

1250 A

Overload current setting (Ir) - min

500 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)

1000 V AC

Rated short-circuit making capacity Icm at 240 V

50/60 Hz

105 kA

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

Rated short-circuit making capacity Icm at 440 V

50/60 Hz

74 kA

Rated short-circuit making capacity Icm at 525 V

50/60 Hz

53 kA

Rated short-circuit making capacity Icm at 690 V

50/60 Hz

40 kA

Rated short-time withstand current (t = 0.3 s)

19.2 kA

Rated short-time withstand current (t = 1 s)

19.2 kA

Short delay current setting (Isd) - max

10 A

Short delay current setting (Isd) - min

2 A

Short-circuit release delayed setting - max

10 A

Short-circuit release delayed setting - min

2 A

Short-circuit release non-delayed setting - max

15 A

Short-circuit release non-delayed setting - min

2 A

Short-circuit total breaktime

< 25 ms (≦ 415 V); < 35 ms (> 415 V)

Utilization category

B (IEC/EN 60947-2)

Voltage rating

690 V - 690 V

Climatic proofing

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

Degree of protection

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

Degree of protection (IP), front side

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

Degree of protection (terminations)

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

Lifespan, mechanical

10000 operations

Mounting Method

Fixed; Built-in device fixed built-in technique

Number of auxiliary contacts (change-over contacts)

0

Number of auxiliary contacts (normally closed contacts)

0

Number of auxiliary contacts (normally open contacts)

0

Position of connection for main current circuit

Front side

Protection against direct contact

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

Shock resistance

15 g (half-sinusoidal shock 11 ms)

Optional terminals

Connection on rear. Strip terminal. Tunnel terminal

Standard terminals

Screw connection

Terminal capacity (aluminum stranded conductor/cable)

50 mm² - 240 mm² (4x) at 4-hole tunnel terminal

Terminal capacity (control cable)

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

Terminal capacity (copper stranded conductor/cable)

120 mm² - 185 mm² (1x) direct at switch rear-side connection; 50 mm² - 185 mm² (4x) direct at switch rear-side connection

Document Name

Description Action

HS Code

8536.90

• EAN 4015081875610
• SAP 1200780810
• Code 83939511