PXD63B140 - 1400 Amp Circuit Breaker

PXD63B140 - 1400 Amp Circuit Breaker

If you’re looking for a high‑capacity circuit breaker that delivers dependable protection when the stakes are high, the Siemens PXD63B140 is built to meet those demands. As part of the Sentron line, this 1400 A molded‑case breaker is engineered to safeguard heavy-duty electrical systems with a thermal‑magnetic trip unit that responds quickly and accurately to overloads or short circuits. It’s a top-tier choice for industrial or large commercial installations where consistent performance and safety matter.

Key Features and Benefits

• High Current Capacity: With a 1400 A rating, the PXD63B140 is ideal for substantial power loads, giving you confidence when your system demands strong, steady current.
• Thermal‑Magnetic Trip Unit: Ensures rapid, precise interruption of electrical anomalies—protecting equipment and wiring from potential damage.
• PD Frame Design: The standard PD frame provides flexible interrupting capacity, making it versatile across a wide range of industrial and commercial applications.
• Customizable Terminal Connections: Shipped without lugs installed, it allows for tailored terminal setups that match your project’s wiring requirements.
• Durable Build: Designed to handle tough environments and continuous use, this breaker offers long-term reliability even in demanding settings.

Technical Specifications

• Rated Current: 1400 A
• Poles: 3‑Pole (3P)
• Breaking Capacity:
  • 25 kAIC at 600 V
  • 50 kAIC at 480 V
• Overall Dimensions:
  • Width: 9.00″
  • Height: 16.00″
  • Depth: 6.19″
• Net Weight: 56.401 lb
• Trip Mechanism: Thermal‑magnetic
• Frame Type: PD
• Operating Temperature: Rated for standard 40 °C ambient conditions

Material Compliance and Certifications

• RoHS Compliant: Meets the Restriction of Hazardous Substances directive, ensuring environmentally responsible production practices.
• Safety Standards: Certified to UL 489 and IEC 60947‑2 standards—so you can trust it meets widely recognized safety and performance benchmarks.

Where It Works Best

• The PXD63B140 is a powerhouse solution for industrial plants, large commercial facilities, data centers, or any setting where high current demands and system reliability are critical. It excels when used as a main breaker for large panels, feeders, or motor‑control centers. Whether you’re upgrading existing infrastructure or installing a new power distribution system, this breaker gives you strong protection without sacrificing flexibility.