ED63A050 - 50Amp Motor Circuit Protector

ED63A050 - 50Amp Motor Circuit Protector

When you need reliable circuit protection that fits seamlessly into existing Siemens ED Frame systems, the Siemens ED63A050 is built for exactly that job. This 3-pole, 50-amp magnetic-only motor circuit protector is designed for motor branch circuits where overload protection is handled separately, giving you precise short-circuit protection right where it matters most.

Engineered for 600VAC applications, this breaker delivers dependable interrupting performance with 18kA at 600V and 25kA at 480V, making it a solid fit for demanding commercial and industrial environments. It’s designed for straightforward installation in compatible Siemens SENTRON ED Frame setups, helping maintain system consistency without unnecessary changes to your existing configuration.

Built to meet UL 489 and IEC 60947-2 standards, this unit is designed for dependable performance and long-term use in properly matched systems. If you're maintaining or replacing components in an existing Siemens ED Frame installation, this model is designed to drop into place with the correct form, fit, and electrical ratings.

Key Features and Benefits

• Designed for Siemens SENTRON ED Frame systems
• 50A, 3-pole magnetic-only motor circuit protector
• Fast magnetic trip response for short-circuit protection
• Rated 600VAC for industrial and commercial use
• Interrupting ratings: 18kA at 600V / 25kA at 480V
• Includes load lugs only (LN1E100)
• Supports 10 AWG to 1/0 AWG Cu/Al conductors
• Helps maintain existing system design without modifications
• Built for reliable use in compatible motor protection setups
  

Technical Specifications

• Manufacturer: Siemens
  
• Catalog Number: ED63A050
  
• Product Type: Magnetic Motor Circuit Protector
  
• Frame: ED Frame
  
• Poles: 3
  
• Amperage: 50A
  
• Voltage Rating: 600VAC
  
• Trip Type: Magnetic Only
  
• Interrupting Capacity: 18kA @ 600V / 25kA @ 480V
  
• Terminal Type: Load Lugs Only (LN1E100)
  
• Wire Range: 10 AWG – 1/0 AWG (Cu/Al)
  
• Dimensions:
  • Width: 3.00 inches
  • Length: 6.35 inches
  • Depth: 3.92 inches
• Weight: 0.348 lb
  

Material Compliance and Certifications

The Siemens ED63A050 is manufactured to meet recognized industry standards including UL 489 and IEC 60947-2, supporting safe and compliant use in approved electrical systems. It is also RoHS compliant and classified under EAR99 export regulations. Designed for use in properly matched Siemens ED Frame installations, it supports consistent, code-aligned electrical system operation.

Where It Works Best

• Motor control centers (MCCs)
• Industrial production facilities
• HVAC control systems
• Pumps and compressor circuits
• Water treatment and utility plants
• Conveyor and automation systems
• OEM industrial machinery panels
• Electrical distribution setups using Siemens ED Frame equipment