WEB3400B - Eaton 400 A 3-Pole 600 V Bolt-On Molded Case Circuit Breaker, Series C

WEB3400B

WEB3400B is a 3-pole molded case circuit breaker manufactured by Eaton as part of the Series C product line. It is rated for 400 A at up to 600 V AC and features a thermal-magnetic trip unit that provides reliable protection against overloads and short circuits. The breaker uses a bolt-on connection style and is designed for installation in panelboards, switchboards, and OEM control assemblies. This WEB-frame circuit breaker is built to Eaton’s high industrial standards, offering long-term durability, consistent performance, and compliance with UL and IEC safety requirements.

• Part Number: WEB3400B
• Manufacturer: Eaton
• Series / Frame: Series C / WEB Frame
• Product Type: Thermal-Magnetic Molded Case Circuit Breaker
• Poles: 3
• Amperage Rating: 400 A
• Voltage Rating: 600 V AC / 250 V DC
• Interrupting Rating: Up to 65 kA at 480 V AC (depending on configuration)
• Trip Unit Type: Fixed Thermal, Fixed Magnetic
• Connection Type: Bolt-on
• Mounting Style: Panel or chassis mount
• Application: Power distribution, feeder protection, and branch circuit protection in industrial systems
• Certifications: UL Listed, CSA Certified, IEC 60947-2 Compliant

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Specifications

• Part Number: WEB3400B
• Manufacturer : Siemens
• Brand : Siemens
• Category : Switch
• Item Subcategory : Main Breaker Disconnect
• Type : WEB
• Voltage : 120V
• Amperage : 400
• Phase : 3
• Poles : 3
• AIC rating : 65kAIC
• Nema Rating : 3R
• Circuit Breaker Mounting Style : Surface

Product Data

• UPC : 4089217372
• GTIN : 00040892173727
• Weight : 196.211 lb
• Certification : UL