
SJD69400NT - 400Amp Circuit Breaker

- 400 Amp
- 25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options:
SJD69400NT - 400Amp Circuit Breaker Description
SJD69400NT - 400Amp Circuit Breaker
When you need a 400 amp molded case circuit breaker that matches the specifications of your existing electrical system, the SJD69400NT delivers the form, fit, and function required for compatible installations. Designed with a 3-pole configuration and a thermal magnetic trip unit, this breaker helps protect electrical distribution systems from overloads and short circuits while providing adjustable trip settings to better coordinate with your application. Whether you're maintaining equipment in a commercial facility, industrial plant, or institutional building, the SJD69400NT is built to last and engineered for dependable circuit protection in demanding environments.
This breaker features a 400A SJD frame and includes several adjustable trip functions, including Continuous Current Setting, Long Time Delay, Instantaneous Setting, Short Time Pick Up, Short Time Delay, and Short Time I²t Pick Up, allowing qualified personnel to configure protection settings for system requirements. It offers interrupting capacities of 25kA at 600VAC, 35kA at 480VAC, and 65kA at 240VAC, making it suitable for a wide range of power distribution applications.
Key Features and Benefits
- 400 Amp Molded Case Circuit Breaker: 400 Amp molded case circuit breaker.
- 3-Pole Design: 3-pole design for three-phase electrical systems.
- Thermal Magnetic Trip Unit: Thermal magnetic trip unit provides overload and short-circuit protection.
- 400A SJD Frame: 400A SJD frame for form, fit, and functional replacement in compatible equipment.
-
Adjustable Trip Functions: Adjustable trip functions include:
- Continuous Current Setting
- Long Time Delay
- Instantaneous Setting
- Short Time Pick Up
- Short Time Delay
- Short Time I²t Pick Up
-
Interrupting Ratings:
- 25kA @ 600VAC
- 35kA @ 480VAC
- 65kA @ 240VAC
- Built to Last: Built to last for long-term service in commercial and industrial environments.
- Lug Terminals: Lug terminals are not included.
Technical Specifications
- Part Number: SJD69400NT
- Type: SJD6-A
- Circuit Breaker Type: Molded Case Circuit Breaker
- Frame Size: 400 Amp SJD Frame
- Trip Unit: Thermal Magnetic
- Poles: 3
- Amperage: 400A
- Interrupting Rating: 25kA @ 600VAC; 35kA @ 480VAC; 65kA @ 240VAC
- Adjustable Trip Functions: Continuous Current Setting, Long Time Delay, Instantaneous Setting, Short Time Pick Up, Short Time Delay, Short Time I²t Pick Up
-
Dimensions:
- Height: 11.0 in.
- Width: 7.5 in.
- Depth: 4.0 in.
- Lug Terminals: Not Included
Material Compliance and Certifications
- Compatible Electrical Distribution Systems: The SJD69400NT is manufactured for use in compatible electrical distribution systems and is designed to meet the construction and performance requirements associated with its product class.
- Compatibility Verification: Before installation, always verify compatibility by confirming the part number, frame size, voltage ratings, interrupting capacity, and application requirements.
- Certification Requirements: Refer to equipment documentation and product labeling for any project-specific certification or compliance requirements.
Where It Works Best
- The SJD69400NT is commonly used in electrical distribution systems where a compatible 400 amp, 3-pole molded case circuit breaker is required. Typical applications include:
- Commercial buildings
- Manufacturing facilities
- Distribution panels
- Switchboards
- Motor feeders
- Mechanical equipment
- Municipal and institutional facilities
- Existing electrical systems requiring a compatible SJD frame replacement
- Designed for long service life, this breaker provides dependable overcurrent protection while helping keep compatible electrical systems operating safely and efficiently.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Siemens®, I-T-E®, and Murray® are registered trademarks of Siemens AG. Products sold are surplus, used, or refurbished and are NOT supplied by Siemens AG or its affiliates.
Specifications
- Width:7.5
- Height:11.0
- Depth:4.0
- Poles:3
- Amperes:400
- A.I.C. Rating & Volts:25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
- Type:SJD6-A
- Approx Dimensions:7.50"W x 11.00"L x 4.00"D
- Additional Notes:SJD400A Frame, Thermal Magnetic, Molded Case Circuit Breaker. Includes Trip Unit Adjustable Functions: Continuous Current Setting; Long Time Delay; Instantaneous Setting; Short Time Pick Up; Short Time Delay; Short Time I²t Pick Up. This Item Does NOT include Any Lug Terminals.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).