Siemens | PXD63B140 | Circuit Breaker | 1400A | 3-Pole | 600V | Bolt-On

Meet the Siemens PXD63B140 circuit breaker — a purpose-built, high-capacity protection device designed for demanding three-phase systems. With a 1400A rating, 3-pole configuration, and 600V capability, this bolt-on breaker is engineered for robust protection in industrial environments where reliability matters most.

Designed for maintenance, retrofit, and replacement work, the PXD63B140 makes upgrading or repairing critical power feeds straightforward. The bolt-on mounting provides secure, vibration-resistant installation in panels and switchgear, helping prevent connection loosening that can compromise protection performance.

Key specifications

• Amperage: 1400A
• Poles: 3-Pole
• Voltage: 600V
• Mounting: Bolt-On
• Part number: PXD63B140

Why this breaker stands out

Specific and reliable for heavy-duty applications, the Siemens PXD63B140 is designed to integrate with existing Siemens panels and compatible switchgear that require a 3-pole, 1400A, 600V bolt-on solution. Its strict rating alignment minimizes compatibility surprises during retrofit and reduces downtime when you need to swap in a like-for-like replacement.

Ideal use cases

• Maintenance: replace aging three-phase breakers to restore full protection.
• Retrofit: upgrade legacy systems to a high-capacity Siemens solution with clean, secure bolt-on mounting.
• Replacement: direct reference to PXD63B140 for compatibility when sourcing spare parts for Siemens equipment.

Installation tips and best practices

• Always confirm fit and ratings before ordering—the part number is the best compatibility reference.
• Prepare the panel for a bolt-on device by verifying mounting holes and busbar alignment per the equipment's installation guide.
• Torque and tighten connections to the manufacturer’s specifications to ensure reliable protection and minimize loose connections in service.

For reliable, durable three-phase overcurrent protection that aligns with Siemens' standards, the PXD63B140 is a dependable choice for industrial power distribution. Order with confidence knowing it matches the exact specifications needed for your maintenance, retrofit, or replacement project.