2 Year Warranty Guaranteed
All items both Re-Certified, and New sold by Essential Electric include a 30 day return policy and a 2-year full warranty. This means that they are guaranteed to be free from defects for a full 2 years from the date that the product was shipped from our warehouse.
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Product Info
- Manufacturer:Westinghouse
- Sub-Category:Molded Case
Description
NB3900S
NB3900S is a Westinghouse 3 pole, 900 amp, 600V bolt-on molded case circuit breaker designed for reliable protection in industrial and commercial power distribution systems. This breaker features a thermal magnetic trip unit and is built for durability and safety in demanding environments.Engineered for high performance, the NB3900S offers robust overload and short-circuit protection. Its bolt-on mounting ensures secure installation, while the interchangeable trip unit provides flexibility for various load requirements. The breaker is suitable for use in systems up to 600V AC and is rated for 900 amperes at 40°C.
- 3 Pole
- 900 Ampere Rating
- 600V AC Maximum Voltage
- Bolt-On Mounting
- Thermal Magnetic Trip Unit
- Interchangeable Trip
- Interrupt Rating: 30kA @ 480V
- Frame: NB Series
- Mounting: Bolt-On
- Operating Temperature: 40°C
- Application: Industrial & Commercial Power Distribution
Specifications
- Part Number: NB3900S
- Manufacturer : Westinghouse
- Category : Circuit Breaker
- Item Subcategory : Molded Case
- Family : NB Series
- Type : NB
- Voltage : 600
- Amperage : 900
- Phase : 3
- Poles : 3
- AIC rating : 30kA@480V
- Connection : Bolt-On
- Functions : LI - Long-Time and Instantaneous
- Protection : Thermal Magnetic
Product Data
- Weight : 61
Accesories
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