Eaton Complete load-break switch, up to 1600 A N4-1250

Eaton N4-1250 Complete load-break switch, up to 1600 A. Max.: 690 V 50/60 Hz. EN 60947.

Manufacturer part number (MPN)

N4-1250

EAN / GTIN

4015082660277

HS code

8536.90

Sales unit

pcs

Eaton catalogue number

266027

Depth

401 mm

Height

207 mm

Width

210 mm

Weight

17.255 kg

Compliances

RoHS conform

Certifications

IEC/EN 60947; IEC

Functions

Disconnectors/main switches; Interlockable; Voltage release optional

Amperage Rating

1250 A

Application

Use in unearthed supply systems at 525 V

Circuit breaker frame type

N4

Features

Version as maintenance-/service switch; Motor drive optional; Version as main switch; Version as emergency stop installation

Number of poles

Three-pole

Special features

Main switch characteristics including positive drive to IEC/EN 60204 and VDE 0113. Isolating characteristics to IEC/EN 60947-3 and VDE 0660. Busbar tag shroud to VDE 0160 Part 100. Rated current = rated uninterrupted current: 1250 A

Type

Switch-disconnector

Ambient operating temperature - max

70 °C

Ambient storage temperature - max

70 °C

Ambient operating temperature - min

-25 °C

Equipment heat dissipation, current-dependent

173 W

Rated operational current for specified heat dissipation (In)

1250 A

Direction of incoming supply

As required

Electrical connection type of main circuit

Bolt connection

Handle type

Rocker lever

Isolation

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

Lifespan, electrical

1000 operations at 690 V AC-3; 2000 operations at 400 V AC-3; 2000 operations at 690 V AC-1; 2000 operations at 415 V AC-3; 3000 operations at 400 V AC-1; 3000 operations at 415 V AC-1

Number of operations per hour - max

60

Overvoltage category

III

Pollution degree

3

Rated conditional short-circuit current with back-up fuse

80 kA at 690 V; N4-630…1600: 2 x 800 AgGgL; 100 kA at 400/415 V

Rated conditional short-circuit current with downstream fuse

100 kA at 400/415 V; N4-630…1600: 2 x 800 AgGgL; 80 kA at 690 V

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

Rated operating frequency

50 Hz

Rated operating power at AC-23, 400 V

710 kW

Rated operating voltage (Ue) at AC - max

690 V

Rated operational current

1600 A (415 V AC-22/23A, making and breaking capacity); 1600 A (690 V AC-22/23A, making and breaking capacity)

Rated short-circuit making capacity Icm at 690 V, 50/60 Hz

53 kA

Rated short-time withstand current (Icw)

25 kA

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

25 kA

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

25 kA

Short-circuit protective device fuses - max

1600 A gL

Voltage rating

690 V - 690 V

Climatic proofing

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

Degree of protection

IP20 (basic protection type, in the area of the HMI devices); Other

Degree of protection (IP), front side

IP20; IP40 (with insulating surround); IP66 (with door coupling rotary handle)

Degree of protection (terminations)

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

Handle color

Black

Lifespan, mechanical

10000 operations

Mounting Method

Distribution board installation; Ground mounting; Fixed; Built-in device fixed built-in technique; Intermediate mounting

Number of auxiliary contacts (change-over contacts)

0

Number of auxiliary contacts (normally closed contacts)

0

Number of auxiliary contacts (normally open contacts)

0

Number of switches

1

Protection against direct contact

Finger and back-of-hand proof to DIN EN 50274/VDE 0106 part 263

Shock resistance

15 g (half-sinusoidal shock 11 ms)

Switch positions

I, +, 0

Optional terminals

Connection on rear. Strip terminal. Tunnel terminal

Standard terminals

Screw terminal

Terminal capacity (aluminum solid conductor/cable)

70 mm² - 240 mm² (6x) at rear-side width extension; 240 mm² (2x) at rear-side width extension

Terminal capacity (aluminum stranded conductor/cable)

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

Terminal capacity (copper stranded conductor/cable)

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

HS Code

8536.90

• EAN 4015082660277
• SAP 1000035462
• Code 8765100