PD63T140 - 1400 Amp Trip Unit

PD63T140 - 1400 Amp Trip Unit

Looking for a heavy-duty trip unit that delivers reliable protection when it counts? The Siemens PD63T140 is a 3‑pole, 1400 A thermal‑magnetic trip unit built for industrial and commercial power systems that demand unwavering performance. Designed to integrate with a compatible molded‑case breaker frame, this trip unit provides your electrical system with fast, precise overload and short‑circuit protection to keep equipment and personnel safe.

Key Features and Benefits

• High‑Capacity Protection: With a 1400 A rating, PD63T140 handles high-load circuits without breaking a sweat — ideal for manufacturing, data centers, or large commercial buildings.
• Thermal‑Magnetic Trip Mechanism: Combines thermal protection against sustained overloads with magnetic protection for sudden short circuits — giving you balanced, dependable safety.
• Flexible Wiring Options: Supports 300–600 KCM wire (copper or aluminum) on both line and load sides using TA5P600 lugs, making installation straightforward whether you’re upgrading or building new.
• Durable Construction: Built to high standards for long-lasting use in demanding environments — ideally suited for heavy-duty electrical systems where reliability is non‑negotiable.

Technical Specifications

• Amperage Rating: 1400 A
• Poles: 3‑Pole
• Trip Unit Type: Thermal‑Magnetic
• Interrupt Capacity:
  • 25 kA at 600 V
  • 50 kA at 480 V
• Wire Range (Lugs): 300–600 KCM (Copper or Aluminum)
• Physical Dimensions:
  • Width: Approx. 9"
  • Height: 16"
  • Depth: 6.19"

Material Compliance and Certifications

• UL 489 Compliant: Meets rigorous North American safety standards for industrial and commercial circuit breakers.
• IEC 60947‑2 Compliant: Conforms to international low‑voltage circuit-breaker norms — perfect if you’re working in global or export‑oriented systems.
• RoHS Compliant: Manufactured without harmful levels of restricted materials, ensuring safer handling and environmental responsibility.
• REACH Compliant: Meets chemical safety regulations for reduced environmental impact and safer workplaces.

Where It Works Best

• The PD63T140 is ideal for large-scale electrical distribution systems — think industrial plants, factories, commercial buildings, data centers, or utility switchgear rooms. It’s especially suited for high-demand applications powering heavy machinery, large HVAC systems, or critical infrastructure loads. This trip unit also fits well in renewable-energy setups (such as solar or wind installations) where reliable overload and short-circuit protection are essential for system longevity and safety.