Westinghouse Type NB NB3900S 900A 3 Pole MCCB

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Westinghouse Type NB NB3900S 900A 3 Pole MCCB 600 Vac

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Part Number:

Warranty:

Pricing

In Stock

Available

Part Number

NB3900S

Manufacturer

Westinghouse

Eaton

Current Rating

900

Voltage Rating (V)

600 Vac

Number of Poles

Standards Compliance

UL Listed

Yes

Type

MCCB

Frame

Continuous Current Rating

900A

Number of Poles

Interrupting Rating (Symmetrical)

240 Vac: 42,000A rms sym; 480 Vac: 30,000A rms sym; 600 Vac: 22,000A rms sym; 250 Vdc: 20,000A rms sym

Standards Compliance

UL Listed

Application Use Case

Replacement circuit breaker

Special Features

Saf-T-Vue; Obsolete / discontinued per Eaton

Westinghouse Type NB NB3900S MCCB

The Westinghouse NB3900S is a MCCB from the Type NB family, rated 900A 3 Pole at 600 Vac. Manufactured by Westinghouse (now Eaton), this legacy replacement product is available through Swartz Electric.

Specifications

Catalog Number: NB3900S
Type: NB
Current Rating: 900A
Poles: 3 Pole
Voltage: 600 Vac
Interrupting Rating: 240 Vac: 42,000A rms sym; 480 Vac: 30,000A rms sym; 600 Vac: 22,000A rms sym; 250 Vdc: 20,000A rms sym
Features: Saf-T-Vue; Obsolete / discontinued per Eaton

Request a Quote

Contact us today to request a quote for the Westinghouse NB3900S or to confirm availability and lead time for this replacement circuit breaker.