3VA4170-5ED34-0AA0 - 70Amp Circuit Breaker

3VA4170-5ED34-0AA0  -  70Amp Circuit Breaker

The Siemens 3VA4170-5ED34-0AA0 is the kind of circuit breaker you install and don’t have to think about again. It’s built for consistent protection in everyday commercial and industrial applications—nothing flashy, just solid performance where it counts. Rated at 70 amps with a 3-pole configuration, this molded case circuit breaker is designed for three-phase systems that need reliable, predictable protection. It uses a thermal-magnetic trip unit (TM210) with fixed settings, so there’s no adjusting or fine-tuning required. What you get is straightforward overload protection at 70A and fast response to short circuits at 10 times the rated current. With an interrupting capacity of 35 kA at 480V, it’s more than capable of handling high fault conditions. That makes it a practical choice for panelboards, switchboards, and equipment where protection isn’t optional. Another thing worth noting—this breaker keeps a relatively compact footprint for its class. If you’re working in a tight panel or upgrading existing gear, that can make installation a lot easier.

Key Features and Benefits

• 70 Amp Rating – Designed for steady, mid-range electrical loads
• 35 kA @ 480V Interrupting Capacity – Handles fault conditions without hesitation
• 3-Pole Breaker – Built for three-phase systems
• Thermal-Magnetic Trip Unit (TM210) – Fixed settings for simple, reliable operation
• Instantaneous Trip (10x In) – Responds quickly to short circuits
• Compact Frame (125 Frame Size) – Easier fit in panels and enclosures
• HACR Rated – Suitable for HVAC and refrigeration equipment
• Durable Siemens Design – Built for long-term use in demanding environments

Technical Specifications

• Manufacturer: Siemens
• Series: SENTRON 3VA4
• Catalog Number: 3VA4170-5ED34-0AA0
• Type: Molded Case Circuit Breaker
• Poles: 3
• Rated Current: 70A
• Voltage Rating: Up to 600V AC
• Interrupting Capacity:
  • 35 kA @ 480V
  • 85 kA @ 240V
  • 18 kA @ 600V
• Trip Unit: TM210 (Thermal-Magnetic)
• Overload Protection: Fixed at 70A
• Instantaneous Trip: 10 × In
• Mechanical Life: 15,000 operations
• Operating Temperature Range: -25°C to 70°C
• Ingress Protection: IP40 (front)
• Weight: 0.743 kg

Material Compliance and Certifications

• UL 489 Listed
• RoHS Compliant
• WEEE Compliant
• REACH Disclosure (Lead content >0.1%)
• ECCN: EAR99
• These standards matter—especially for electrical components—because accuracy and trust are critical for products that impact safety and system reliability .

Where It Works Best

• This breaker is a good fit for:
• Commercial electrical panels
• Industrial equipment and machinery
• HVAC systems (HACR rated)
• OEM installations
• Power distribution systems