ED63A003 - 3Amp Motor Circuit Protector

ED63A003 - 3Amp Motor Circuit Protector

When you’re maintaining or repairing existing Siemens motor control equipment, getting the exact match matters. The Siemens ED63A003 is a 3-amp, 3-pole magnetic-only motor circuit protector built for compatibility with Siemens ED Frame SENTRON systems where consistent form, fit, and function are essential.

This unit is designed for motor branch circuit protection, delivering instantaneous magnetic trip response when short-circuit conditions occur.

Rated for up to 600VAC, this breaker offers an interrupting capacity of 18kA at 600V and 25kA at 480V, giving it the electrical strength required for demanding commercial and industrial environments.

Key Features and Benefits

• Designed specifically for Siemens ED Frame SENTRON systems
• 3 amp, 3-pole magnetic-only motor circuit protector
• Instantaneous magnetic trip for short-circuit protection in motor circuits
• Rated up to 600VAC for industrial electrical applications
• Interrupting ratings of 18kA at 600V / 25kA at 480V
• Load lugs only configuration for straightforward replacement use
• Accepts both copper and aluminum conductors
• Built to align with Siemens system design for proper compatibility
• Constructed for long-term use in industrial environments
  

Technical Specifications

• Manufacturer: Siemens
  
• Part Number: ED63A003
  
• Product Type: Magnetic-Only Motor Circuit Protector
  
• Series: SENTRON ED Frame
  
• Poles: 3
  
• Amperage Rating: 3A
  
• Voltage Rating: 600VAC
  
• Trip Type: Magnetic only (instantaneous)
  
• Interrupting Capacity: 18kA @ 600V / 25kA @ 480V
  
• Terminal Type: Load lugs only (SA1E025)
  
• Wire Range: 14–10 AWG Cu / 12–10 AWG Al
  
• Dimensions:
  • Width: 3.00 inches
  • Length: 6.35 inches
  • Depth: 3.92 inches
• Weight: 3.8 lb
  
• Standards: UL 489, IEC 60947-2
  

Material Compliance and Certifications

The Siemens ED63A003 complies with UL 489 and IEC 60947-2 standards for molded case circuit protection. It is RoHS compliant and subject to applicable WEEE requirements, supporting regulatory expectations for electrical equipment used in industrial and commercial environments.

Where It Works Best

• Motor control centers (MCCs)
• Industrial automation systems
• Pump and compressor controls
• HVAC electrical systems
• Manufacturing and processing plants
• Water and wastewater facilities
• OEM equipment panels
• Commercial electrical distribution systems