3VA9473-0JA13 - 3P Lug Kit - 3VA53/63

3VA9473-0JA13 -  3P Lug Kit - 3VA53/63

If you’ve ever dealt with loose or unreliable connections in a power distribution setup, you already know how quickly small issues can turn into big problems. The Siemens 3VA9473-0JA13 box terminal is built to eliminate that risk. Designed for use with SENTRON 3VA5 and 3VA6 circuit breakers, this 3-piece terminal set gives you a clean, secure way to connect larger conductors without second-guessing the integrity of your installation. What stands out here is flexibility. This terminal handles a wide conductor range—from 35 mm² up to 300 mm² (1/0 AWG to 500 kcmil)—so whether you’re working on a new build or replacing existing hardware, you’re not boxed into a narrow spec. The connection points are straightforward, the torque requirements are clearly defined, and once everything is tightened down, it stays that way. That means fewer callbacks, fewer headaches, and a setup you can trust to hold under load.

Key Features and Benefits

• Designed for Siemens SENTRON 3VA53, 3VA54, 3VA63, and 3VA64 breakers
• Handles a wide range of copper conductors for added flexibility on the job
• 3-piece terminal kit for consistent, balanced connections
• Defined torque specs help ensure secure, repeatable installations
• Compatible with laminated conductor rails for more advanced setups
• Helps reduce connection issues that can lead to heat buildup or failure

Technical Specifications

• Part Number: 3VA9473-0JA13
  
• Product Type: Box Terminal (3 Units)
  
• Series: SENTRON
  
• Conductor Compatibility: Copper (stranded and fine-stranded)
  
• Conductor Range:
  35 mm² – 300 mm²
  1/0 AWG – 500 kcmil
  
• Stripping Length: 26.5 mm (1.05 in)
  
• Tightening Torque:
  35–95 mm²: 16 Nm
  120–300 mm²: 28 Nm
  
• Temperature Rating (UL): 75°C
  
• Weight: 0.435 kg
  

Material Compliance and Certifications

• Meets RoHS requirements (since 2016)
• Complies with WEEE regulations
• Aligned with REACH substance guidelines
• Built to UL 486A-486B standards for conductor connections
• Classified as non-hazardous material
• These standards matter—they’re part of what ensures consistent performance and safe operation in real-world installations.

Where It Works Best

• Industrial facilities with high current demands
• Commercial panel builds where reliability is critical
• Retrofits and maintenance on existing Siemens systems
• OEM panel shops looking for dependable connection hardware