Schneider Electric LV431780 Micrologic 2.2 - Circuit Breaker Compact NSX250F

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Schneider Electric LV431780 Micrologic 2.2 - Circuit Breaker Compact NSX250F

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Schneider Electric LV431780 Micrologic 2.2 - Circuit Breaker Compact NSX250F

Brand:	SCHNEIDER ELECTRIC
Model:	LV431780

Specifications

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Ambient air temperature for operation

-25…70 °C

Protected Poles Description

3t + N/2 3t 4t

Network Type

[In] Rated Current

250 A at 40 °C

Network Frequency

50/60 Hz

Standards

EN/IEC 60947

[Ui] Rated Insulation Voltage

800 V AC 50/60 Hz

[Uimp] Rated Impulse Withstand Voltage

8 kV

Ip Degree Of Protection

IP40 conforming to IEC 60529

Pollution Degree

3 conforming to IEC 60664-1

Ambient Air Temperature For Storage

-50…85 °C

[Ue] Rated Operational Voltage

690 V AC 50/60 Hz

Trip Unit Rating

250 A at 40 °C

Trip Unit Name

MicroLogic 2.2

Device Short Name

NSX250F

Trip Unit Technology

Electronic

Trip Unit Protection Functions

LSoI

Control Type

Toggle

Mounting Mode

Fixed

Product Or Component Type

Circuit breaker

Range

ComPact

Product Name

ComPact NSX

Range Of Product

ComPact NSX100...250

Device Application

Distribution

Connection Pitch

35 mm

Neutral Position

Left

Utilisation Category

Category A

Suitability For Isolation

Yes conforming to EN/IEC 60947-2

Mounting Support

Backplate

Local Signalling

Flashing LED (green) for ready to operate LED 105 % Ir (red) for overload LED 90 % Ir (orange) for overload

Mechanical Durability

20000 cycles

Electrical Durability

5000 cycles at 690 V In 10000 cycles at 690 V In/2 10000 cycles at 440 V In 20000 cycles at 440 V In/2

Earth-Leakage Protection

Without

Product Certifications

CCC Marine EAC

Ik Degree Of Protection

IK07 conforming to IEC 62262

Protection Type

L : for overload protection (long time) So : for short time short-circuit protection with fixed delay I : for instantaneous short-circuit protection

Upside Connection

Front

Downside Connection

Front

Electrical Shock Protection Class

Class II

Thermal Memory

20 minutes before and after tripping

Performance Level

F 36 kA 415 V AC

Number Of Slots For Electrical Auxiliaries

5 slot(s)

Overvoltage Category

Class II

Relative Humidity

0…95 %

Operating Altitude

0...2000 m without derating 2000 m...5000 m with derating

[Ics] Rated Service Short-Circuit Breaking Capacity

35 kA at 440 V AC 50/60 Hz conforming to IEC 60947-2 36 kA at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 85 kA at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 22 kA at 525 V AC 50/60 Hz conforming to IEC 60947-2 30 kA at 500 V AC 50/60 Hz conforming to IEC 60947-2 8 kA at 660/690 V AC 50/60 Hz conforming to IEC 60947-2

[Icu] Rated Ultimate Short-Circuit Breaking Capacity

85 kA at 240 V AC 50/60 Hz conforming to UL 508 22 kA Icu at 525 V AC 50/60 Hz conforming to IEC 60947-2 35 kA Icu at 440 V AC 50/60 Hz conforming to IEC 60947-2 36 kA Icu at 380/415 V AC 50/60 Hz conforming to IEC 60947-2 8 kA Icu at 660/690 V AC 50/60 Hz conforming to IEC 60947-2 85 kA Icu at 220/240 V AC 50/60 Hz conforming to IEC 60947-2 35 kA at 480 V AC 50/60 Hz conforming to UL 508 30 kA Icu at 500 V AC 50/60 Hz conforming to IEC 60947-2 15 kA at 600 V AC 50/60 Hz conforming to UL 508

Long-Time Pick-Up Adjustment Type Ir (Thermal Protection)

Adjustable 9 settings

[Ir] Long-Time Protection Pick-Up Adjustment Range

100...250 A

Long-Time Protection Delay Adjustment Type Tr

Fixed

[Tr] Long-Time Protection Delay Adjustment Range

11 s at 7.2 x Ir 16 s at 6 x Ir 400 s at 1.5 x Ir

Instantaneous Protection Pick-Up Adjustment Type Ii

Fixed

[Ii] Instantaneous Protection Pick-Up Adjustment Range

3000 A