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Circuit Breaker

Siemens | HHLD63B350 | Circuit Breaker | 350A | 3-Pole | 600V

★★★★★
Amperes 350
Poles 3
Voltage 600
Product Type Circuit Breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $45,277.00
Sale price $45,277.00 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.

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Secure transaction
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
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30 day returns
Allen-Bradley 1766-L32BXBA - Micrologix Controller 1766L32Bxba - Micrologix Controller 1766L32Bxba

Siemens | HHLD63B350 | Circuit Breaker | 350A | 3-Pole | 600V

Regular price $45,277.00
Sale price $45,277.00 Regular price
Unit price
Product description
Shipping

The Siemens HHLD63B350 circuit breaker is a robust, high-current protection device designed for demanding electrical environments. Rated at 350 A with a 3-pole configuration and a maximum operating voltage of 600 V, it’s built to safeguard large three-phase circuits, motor feeders, and distribution panels in industrial settings.

  • Amperage: 350 A
  • Poles: 3-Pole
  • Voltage: 600 V
  • Use case: Circuit breaker for maintenance, retrofit, and replacement where exact specs are required
  • Reference: Part number HHLD63B350 is the most reliable compatibility guide

Why this Siemens device stands out

  • Precise compatibility: The HHLD63B350 is designed to match Siemens panels and gear that require a 350 A, 3-pole, 600 V breaker—reducing the guesswork during retrofit or replacement.
  • Balanced protection for 3-phase systems: The 3-pole construction ensures synchronized protection across all phases, helping prevent uneven fault conditions that can stress motors and feeders.
  • Proven reliability for demanding workloads: Built to handle high-current demands typical of industrial environments, helping to minimize downtime and protect valuable equipment.

Fit and compatibility guidance: Before ordering, confirm fit and ratings directly against your panel documentation. The part number HHLD63B350 serves as the clearest reference for compatibility, ensuring the device matches both the electrical characteristics and mounting/interface requirements of your installation.

Ideal use scenarios

  • New installations in industrial control panels requiring 350 A, 3-pole, 600 V protection
  • Retrofits where upgrading to higher-current distribution is needed while maintaining Siemens compatibility
  • Replacement for legacy breakers in Siemens-compatible systems to restore proper protection
  • Motor feeder circuits and other 3-phase loads up to 600 V in commercial or industrial facilities

Practical installation considerations

  • Ensure the panel is de-energized and follow all safety protocols during replacement or installation
  • Verify torque specifications and terminal integrity to maintain reliable interruption performance
  • Keep documentation and the part number handy for future maintenance and cross-referencing
  • Consult your facility’s electrical schematic or manufacturer guidelines to confirm this exact model fits your system

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

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Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

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