Siemens 3VA4145-5ED34-0AA0 Molded Case Circuit Breaker
- 45A
- 3 Pole
- Panel Mount
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Siemens 3VA4145-5ED34-0AA0 - 45A 3 Pole Molded Case Circuit Breaker
New
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Description
A highly capable industrial solution, the Siemens 3VA4145-5ED34-0AA0 is a 3-pole, 45A molded case circuit breaker. It features a fixed thermal-magnetic TM210 trip unit providing essential long-time and instantaneous (LI) protection. This panel mount MCCB installs into Siemens P1 through P5 panelboards and switchboards. It serves as a modern upgrade for older ED43B045 breakers. This Class M breaker delivers a 35kAIC rating at 480V. It is HACR rated and supports reverse feed applications.Specifications
| Brand | Siemens |
|---|---|
| Series | 3VA4 |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Panel Mount |
| Voltage | 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 85kA @ 240VAC, 35kA @ 480Y/277VAC, 35kA @ 480VAC, 18kA @ 600Y/347VAC, 85kA @ 250VDC |
| Frame Type | 3VA41 |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3, P4, P5 Panelboards, Switchboards |
| Wire Gauge | 8 AWG - 3/0 AWG (Cu/Al) |
| Max Wire | 3/0 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Rotary Handle |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Reverse Feed, HID Rated |
Product FAQs
8 answersWhich older Siemens breaker does the 3VA4145-5ED34-0AA0 replace?
This 3VA4 series breaker serves as a modern replacement and upgrade for the legacy ED43B045 molded case circuit breaker.
Which Siemens panelboards accept this 3VA41 frame breaker?
You can install this breaker into Siemens P1, P2, P3, P4, and P5 panelboards, as well as compatible Siemens switchboards designed for panel mount MCCBs.
What wire sizes are accepted by the lugs on this 45A breaker?
The included lugs accept copper or aluminum conductors ranging from 8 AWG to 3/0 AWG.
Can the 3VA4145-5ED34-0AA0 be reverse fed?
Yes, this breaker supports reverse feed applications, allowing you to supply power from either the top or bottom terminals without compromising the trip unit functionality.
Is this 45A breaker suitable for HVAC equipment?
Yes, it is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration equipment.
Can I adjust the trip settings on the TM210 trip unit?
No, the TM210 trip unit features fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection. It does not offer field adjustability.
What does the Class M designation indicate for this 3VA4 breaker?
The Class M designation refers to its interrupting capacity tier within the Siemens 3VA series, providing a 35kAIC rating at 480V and 85kAIC at 240V.
Is this breaker rated for DC voltage applications?
Yes, it carries a DC interrupting rating of 85kA at 250VDC, making it suitable for specific direct current systems.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 5 reviews.
- SWSHELDON W.Verified BuyerReviewingSiemens 3VA4160-4ED34-0AA0 - 60A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars7/27/26SuperBreakers 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!
- RSRob S.Verified BuyerReviewingSiemens 3VA4150-6ED34-0AA0 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/8/2650 amp breaker
Very helpful and arrived quickly.
- JBJosh B.Verified BuyerReviewingSiemens 3VA4130-4ED24-0AA0 - 30A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/5/26Breakers
Exactly as described. Quick shipping.
- JLJeff L.Verified BuyerReviewingSiemens 3VA4120-6ED14-0AA0 - 20A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/11/26Better than new
Great condition and fast shipping
- KCKen C.Verified BuyerReviewingSiemens 3VA4150-4ED34-0AA0 - 50A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/22/25Breaker Order
Good prices and fast shipping.