Siemens | LD63B250L | Circuit Breaker | 250A | 3-Pole | 600V

Siemens LD63B250L Circuit Breaker — 250 A, 3-Pole, 600 V

Designed for reliability in demanding electrical environments, the LD63B250L is a precise 250-amp, three-pole circuit breaker that protects three-phase systems at up to 600 volts. It’s tailored for maintenance, retrofit, and replacement projects where exact specs matter, ensuring your panel protection remains consistent with existing equipment.

Key specifications

• Amperage: 250 A
• Poles: 3-Pole (three-phase protection)
• Voltage rating: 600 V
• Part number: LD63B250L
• Application: protective device for commercial and industrial panels

What makes this unit stand out

• Exact spec compatibility for smooth retrofits: Using the LD63B250L minimizes panel modification, wiring changes, and reconfiguration during upgrades or replacements.
• Durable Siemens design for consistent protection: Built to withstand the rigors of steady operation in busy electrical rooms, reducing unexpected downtime.
• Clear compatibility reference: The part number is the most reliable indicator for matching with existing equipment and installation drawings.

Ideal use cases

• Panel maintenance: swap in a like-for-like breaker to restore service with minimal disruption.
• Retrofit projects: align new electrical plans with current infrastructure while preserving bus and termination layouts.
• New installations requiring three-phase protection at 250 A and 600 V, particularly in commercial or light-industrial settings.

Fit, safety, and ordering tips

Before you order, confirm that your panel’s ratings, bus configuration, and termination methods match the LD63B250L’s 250 A, 3-Pole, 600 V specifications. The part number LD63B250L is the most reliable reference for compatibility, so use it to verify replacement or retrofit against your existing equipment and installation drawings.