Siemens 3VA4110-4ED14-0AA0 molded case circuit breaker is rated 100A, 120VAC, 277VAC, 347VAC and 125VDC, with 1 pole and an interrupting rating of 25kAIC at 277V. The thermal magnetic trip has fixed thermal and fixed magnetic settings with LI - Long Time and Instantaneous Trip. This single-phase breaker has a 3VA41 frame, panelboard and switchboard mounting, a load side lug connection and standard protection. It is UL approved, with WEEE, RoHS and REACh standards. It has a height of 5.09 in, a width of 1.00 in and a depth of 2.96 in and operating temperature is 40 °C. Country of origin is Germany.
What should I consider when selecting this 100A breaker?
The Siemens 3VA4110-4ED14-0AA0 has a rated current of 100A. Use that rating when evaluating the circuit load and conductor protection requirements.
Can this breaker be used on AC or DC circuits?
The rated voltages are 120VAC, 277VAC, 347VAC and 125VDC. Match the circuit voltage and AC or DC supply type to the applicable rating when selecting the breaker.
How do I apply the 25kAIC interrupting rating?
The interrupting rating is 25kAIC at 277V. For a 277V installation, the available fault current at the installation point must not exceed that rating.
What does the thermal-magnetic LI trip function do?
The thermal-magnetic trip combines long-time overload protection with instantaneous response to high-current faults. This gives the breaker a delayed response to overloads and a rapid response to fault currents.
Can I adjust the thermal or magnetic trip settings?
Both the thermal and magnetic trip settings are fixed. Choose this breaker when fixed trip characteristics meet the circuit's protection requirements rather than when field-adjustable settings are needed.
Is this a single-pole breaker for single-phase applications?
This is a 1-pole, single-phase breaker. Its single pole interrupts one circuit conductor, so select it for an application requiring single-pole protection.
How are the load-side conductors connected?
The load-side terminal connection is a lug. Plan for load conductors to be secured in the lug when preparing the termination.
Does this breaker have UL approval?
This breaker has UL approval. That approval is relevant when selecting equipment for a project that requires UL-approved circuit breakers.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 5 reviews.
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I recommend this product
Rated 5 out of 5 stars
7/27/26
SuperBreakers has you covered
SuperBreakers has you covered when you’re in a pinch and need breakers at the last minute. Their customer service is excellent, and the team consistently goes above and beyond to help. I highly recommend them!
RS
Rob S.
Verified Buyer
Reviewing
Siemens 3VA4150-6ED34-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
4/8/26
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Very helpful and arrived quickly.
JB
Josh B.
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Reviewing
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I recommend this product
Rated 5 out of 5 stars
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Jeff L.
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Siemens 3VA4120-6ED14-0AA0 - 20A 1 Pole Molded Case Circuit Breaker
I recommend this product
Rated 5 out of 5 stars
2/11/26
Better than new
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KC
Ken C.
Verified Buyer
Reviewing
Siemens 3VA4150-4ED34-0AA0 - 50A 3 Pole Molded Case Circuit Breaker