HJD63B400 - 400Amp Circuit Breaker
- 400 Amp
- 35k @ 600VAC; 65k @ 480VAC; 100k @ 240VAC
- 3 Pole
Purchase Options:
HJD63B400 - 400Amp Circuit Breaker Description
HJD63B400 - 400Amp Circuit Breaker
When a replacement circuit breaker is needed, matching your existing system specifications is the key to a proper fit. The Siemens HJD63B400 is a 400-amp, 3-pole molded-case circuit breaker designed for applications using the Siemens JD frame configuration. With line- and load-side lugs included, the HJD63B400 is designed for use in compatible commercial and industrial electrical distribution systems where maintaining the original breaker style, ratings, and connection setup is important.
Key Features and Benefits
- 400 amp, 3-pole molded case circuit breaker for compatible commercial and industrial electrical systems
- Siemens JD frame design for matching existing JD series breaker installations
- Thermal-magnetic trip unit for overload and short-circuit protection
- 600V AC rating for properly specified electrical applications
- Includes load side lugs (TA2J6500) for compatible installations
Technical Specifications
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Manufacturer: Siemens
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Catalog Number: HJD63B400
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Product Type: Molded Case Circuit Breaker
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Frame Type: JD
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Number of Poles: 3
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Amperage Rating: 400 Amps
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Voltage Rating: 600 VAC
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Interrupting Capacity: 35kAIC at 600V / 65kAIC at 480V
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Trip Unit Type: Thermal-Magnetic
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Standards: UL 489 / IEC 60947-2
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Lug Type: TA2J6500 Load Side Lugs
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Copper Wire Range: 3/0 AWG - 500 kcmil
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Aluminum Wire Range: 4/0 AWG - 500 kcmil
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Dimensions: 7.5 in. W x 11 in. H x 4 in. D
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Weight: 0.022 lb
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Country of Origin: Mexico
Material Compliance and Certifications
The Siemens HJD63B400 is part of the Siemens SENTRON low-voltage molded-case circuit breaker family and is designed for applications requiring compliance with recognized electrical industry standards.
Certifications and standards include:
- UL 489 — Molded Case Circuit Breakers and Circuit Breaker Enclosures
- IEC 60947-2 — Low-voltage switchgear and controlgear circuit breaker standard
Where It Works Best
The Siemens HJD63B400 works best in commercial and industrial electrical distribution applications where a matching 400-amp, 3-pole JD frame molded-case circuit breaker is required. It is commonly used in maintenance and replacement situations involving compatible switchboards, distribution equipment, and electrical systems designed around Siemens JD frame breakers.
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:35k @ 600VAC; 65k @ 480VAC; 100k @ 240VAC
- Type:HJD6-A
- Approx Dimensions:7.5"W x 11.00"L x 4.00"D
- Additional Notes:30kAIC@250vdc (for 2-pole applications), Molded Case Circuit Breaker with Interchangeable Trip Unit. Includes Load-Side Lugs - discontinued by the Manufacturer
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
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