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Circuit Breaker
Siemens | HJXD63B300 | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On
★★★★★
| Part Number | HJXD63B300 |
| Amperes | 300 |
| Poles | 3 |
| Voltage | 600 |
| Product Type | Circuit Breaker |
Regular price
$4,306.00
Sale price
$4,306.00
Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Siemens | HJXD63B300 | Circuit Breaker | 300A | 3-Pole | 600V | Bolt-On
Regular price
$4,306.00
Sale price
$4,306.00
Regular price
Unit price
Product description
Shipping
Siemens HJXD63B300 is a rugged, high-capacity circuit breaker designed for demanding three-phase power systems. With a 300A rating across three poles and a 600V maximum, it delivers reliable overcurrent protection for commercial and industrial equipment while fitting neatly into bolt-on panel configurations.
Key specs at a glance
Amperage: 300A
Poles: 3-Pole
Voltage: 600V
Mounting: Bolt-On
Part number: HJXD63B300
Why this breaker stands out
Ideal use cases
This 3-pole, 600V breaker is well-suited for:
- Panel retrofits and service upgrades in industrial facilities
- Replacement breakers for existing Siemens installations that require a 300A, 3-pole, 600V bolt-on unit
- Protection of three-phase motors and distribution circuits in manufacturing lines, HVAC systems, and process equipment
Fit, compatibility, and installation notes
Before ordering, confirm that your equipment accepts a bolt-on style and that the ratings match your system requirements. The line emphasizes compatibility with Siemens assemblies, and the part number HJXD63B300 is the most reliable reference for ensuring a proper match. Installation should be performed by a qualified electrician or technician familiar with three-phase electrical distribution and panel mounting practices.
What problems does it solve?
By providing precise 300A protection across all three phases, this breaker helps guard electrical circuits against overcurrent faults, reducing the risk of equipment damage and unplanned downtime. It’s a dependable option for maintaining continuity of service in environments where fast, secure upgrades and replacements are essential.
How it compares to generic equivalents
Choosing a Siemens HJXD63B300 means opting for a recognized industrial standard with known compatibility in Siemens and legacy installations. Unlike generic substitutes, this unit aligns with established ratings, mounting methods, and a robust build designed for long service life in real-world operating conditions.
In short, if your project involves a 300A, 3-pole, 600V bolt-on circuit breaker, the Siemens HJXD63B300 offers a precise, reliable solution that supports seamless upgrades, dependable protection, and straightforward maintenance within three-phase electrical systems.
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