3VA4140-5ED34-0AA0 - 40Amp Circuit Breaker

3VA4140-5ED34-0AA0  -  40Amp Circuit Breaker

When you’re protecting critical electrical systems, you don’t want guesswork—you want a circuit breaker that performs exactly as expected every time. The Siemens 3VA4140-5ED34-0AA0 molded case circuit breaker is built for that kind of reliability. Designed as part of the trusted SENTRON 3VA4 series, this 40A, 3-pole breaker delivers consistent protection against overloads and short circuits, helping you avoid costly downtime and equipment damage. What makes this breaker stand out is its simplicity and dependability. The TM210 thermal-magnetic trip unit comes with fixed overload protection and a fast-acting instantaneous trip (10x In), so it reacts quickly when faults occur—no complicated adjustments, no surprises. With a 35 kA interrupting rating at 480V, it’s more than capable of handling demanding commercial and industrial applications. Whether you’re maintaining an existing panel or building out a new system, this breaker gives you peace of mind that your electrical infrastructure is protected by a name professionals trust: Siemens.

Key Features and Benefits

• Built for dependable protection – 40A rated current with fixed thermal overload protection for consistent performance
• Strong fault interruption – Handles up to 35 kA at 480V, reducing risk to equipment
• Thermal-magnetic trip (TM210) – Fast, reliable response to overloads and short circuits
• Straightforward installation – Compact 125 frame design fits easily into panelboards and switchgear
• 3-pole configuration – Ideal for three-phase systems in commercial and industrial settings
• HACR rated (UL 489) – Suitable for HVAC and refrigeration applications
• Long service life – Designed for thousands of mechanical and electrical operations

Technical Specifications

• Manufacturer: Siemens
• Product Line: SENTRON 3VA4
• Catalog Number: 3VA4140-5ED34-0AA0
• Type: Molded Case Circuit Breaker (MCCB)
• Poles: 3
• Rated Current: 40 Amps
• Trip Unit: TM210 (Thermal-Magnetic)
• Overload Setting (Ir): Fixed at 40A
• Instantaneous Trip (Ii): 10 × In
• Voltage Rating: Up to 600V AC
• Interrupting Capacity:
  • 35 kA @ 480V
  • 85 kA @ 240V
• Operating Temperature Range: -25°C to 70°C
• Dimensions: 5.09" H × 3" W × 2.96" D
• Weight: 0.743 kg

Material Compliance and Certifications

• UL 489 Listed – Meets North American safety standards
• RoHS Compliant – Restricts hazardous substances
• REACH Compliant – Meets EU environmental regulations
• WEEE Compliant – Supports responsible recycling practices

Where It Works Best

• The Siemens 3VA4140-5ED34-0AA0 is a smart choice for:
• Commercial electrical distribution panels
• Industrial machinery and equipment protection
• HVAC and refrigeration systems (HACR rated)
• OEM panel building and control systems
• Facility upgrades and retrofit projects