Eaton NZMH3-4-A320-SVE Molded-Case Circuit Breaker 4-Pole 320A 150KA

Eaton NZM3 molded-case circuit breaker, type NZMH3-4-A320-SVE. 4-pole, rated current 320 A, breaking-capacity class H, frame size NZM3 (up to 630 A). Rated operational voltage 690 V AC; rated ultimate short-circuit breaking capacity (Icu) 150 kA at 400/415 V AC to IEC/EN 60947-2. Thermomagnetic release — adjustable thermal overload and electromagnetic short-circuit protection. Plug-in (withdrawable) version. Utilization category A, suitable for isolation.

Manufacturer part number (MPN)

NZMH3-4-A320-SVE

Series

Eaton NZM3 (Moeller series NZM)

Type

Molded-case circuit breaker (MCCB)

Breaking-capacity class

H (high breaking capacity)

Number of poles

4-Pole

Rated current (In)

320 A

Frame size

NZM3 (up to 630 A)

Rated operational voltage (Ue)

690 V AC

Rated insulation voltage (Ui)

800 V

Rated ultimate short-circuit breaking capacity (Icu) at 400/415 V AC

150 kA

Trip unit / release

Thermomagnetic release — adjustable thermal overload and electromagnetic short-circuit protection

Utilization category

A

Suitable for isolation

Yes

Standard

IEC/EN 60947-2

Configuration

Plug-in (withdrawable) version

EAN / GTIN

4015081653812

HS code

8536.20

Sales unit

pcs

Eaton catalogue number

168889

Depth

335 mm

Height

215.2 mm

Width

185 mm

Weight

8.81 kg

Compliances

RoHS conform

Certifications

IEC

Functions

System and cable protection

Amperage Rating

320 A

Features

Motor drive optional; Protection unit

Special features

Rated current = rated uninterrupted current: 320 A

Ambient operating temperature - max

70 °C

Ambient storage temperature - max

70 °C

Ambient operating temperature - min

-25 °C

Equipment heat dissipation, current-dependent

94 W

Rated operational current for specified heat dissipation (In)

320 A

Current rating of neutral conductor

200% of phase conductor

Electrical connection type of main circuit

Screw connection

Handle type

Rocker lever

Instantaneous current setting (Ii) - max

19200 A

Instantaneous current setting (Ii) - min

1920 A

Overload current setting (Ir)

250 A - 320 A

Overload current setting (Ir) - max

320 A

Overload current setting (Ir) - min

250 A

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 500 V DC

70 kA

Rated short-circuit breaking capacity Ics (IEC/EN 60947) at 750 V DC

70 kA

Short-circuit release non-delayed setting - max

3200 A

Short-circuit release non-delayed setting - min

1920 A

Voltage rating

690 V - 690 V

Degree of protection

IP20

Mounting Method

Built-in device plug-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

Document Name

Description Action

Standard

Eaton NZM

HS Code

8536.20

• EAN 4015081653812
• SAP 1200601020
• Code 82989546