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Siemens 3VA4150-4ED24-0AA0 Molded Case Circuit Breaker

  • 50A
  • 2 Pole
  • Panel Mount
Siemens 3VA4150-4ED24-0AA0
Molded Case Circuit Breaker
Brand Siemens
SKU 3VA4150-4ED24-0AA0
Select Item Condition
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  • 50A
  • 2 Pole
  • Panel Mount

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Siemens 3VA4150-4ED24-0AA0 - 50A 2 Pole Molded Case Circuit Breaker

Siemens 3VA4150-4ED24-0AA0 - 50A 2 Pole Molded Case Circuit Breaker

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$313.60 In Stock

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Description

Built for heavy-duty applications, the Siemens 3VA4150-4ED24-0AA0 is a 50A, 2-pole MCCB. It utilizes a fixed thermal-magnetic trip unit to provide dependable long-time and instantaneous (LI) protection within a compact 125A frame. This unit mounts into Siemens P1, P2, and P3 panelboards. It is engineered as a modern upgrade and direct replacement for the discontinued ED42B050. Delivering a 65 kAIC rating at 240VAC, this breaker handles high fault currents safely and features load side lugs.

Specifications

Key specifications
Brand Siemens
Part Number 3VA4150-4ED24-0AA0
Series 3VA4
Amperage 50A
Poles 2
Mounting Style Panel Mount
Voltage 240VAC, 480Y/277VAC, 480VAC, 600Y/347VAC, 250VDC
Phase 1
AIC Rating 65kA @ 240VAC, 25kA @ 480Y/277VAC, 25kA @ 480VAC, 14kA @ 600Y/347VAC, 50kA @ 250VDC
Fit and installation
Frame Type 3VA41
Terminal Type Lugs
For Use With Siemens P1, P2, P3 Panelboards, Switchboards
Wire Gauge 14 AWG - 3/0 AWG
Max Wire 3/0 AWG
Min Wire 14 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment
Accessories Load Side Lugs
Standards CSA C22.2 No. 5, HACR Rated, IEC 60947-2, UL 489
Approval CE, CSA, UL
Temp Rating -25C to 70C
Construction Features HACR Rated, Reverse Feed, HID Rated

Product FAQs

8 answers
What legacy Siemens circuit breaker does the 3VA4150-4ED24-0AA0 replace?

The 3VA4150-4ED24-0AA0 is engineered as a modern upgrade and direct replacement for the discontinued ED42B050 molded case circuit breaker. It shares a nearly identical footprint, allowing for a simple upgrade in existing electrical apparatus.

Which panelboards are compatible with the 3VA4150-4ED24-0AA0 circuit breaker?

This breaker is designed for use in Siemens P1, P2, and P3 panelboards, as well as Siemens distribution switchboards. Note that specific strap kits or mounting hardware may be required depending on the panelboard type.

What does the "4ED24" in the 3VA4150-4ED24-0AA0 part number signify?

In the Siemens 3VA nomenclature, the "4" indicates the interrupting class (Class S, 25kA at 480V). The "E" designates a TM210 thermal-magnetic trip unit, the "D" indicates a 2-pole configuration, and the "24" specifies the fixed thermal and fixed magnetic trip settings.

Can the 3VA4150-4ED24-0AA0 be reverse fed?

Yes, the Siemens 3VA4150-4ED24-0AA0 is suitable for reverse feed applications.

What wire sizes are accepted by the lugs on the 3VA4150-4ED24-0AA0?

The load side lugs on this breaker accept aluminum or copper wire ranging from 14 AWG to 3/0 AWG.

What type of trip unit is installed in the 3VA4150-4ED24-0AA0?

This breaker features a TM210 thermal-magnetic trip unit. It provides fixed long-time (thermal) overload protection and fixed instantaneous (magnetic) short-circuit protection.

Does the 3VA4150-4ED24-0AA0 come with line side lugs?

No, this is a panel mount breaker designed to bolt directly onto the panelboard bus. It comes with lugs installed on the load side only.

What is the maximum continuous current rating of the 3VA41 frame?

The Siemens 3VA41 frame has a maximum continuous current rating of 125A.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 5 reviews
Rating
Ratings
5 reviews
  • SW
    SHELDON W.
    Verified Buyer
    Reviewing
    Siemens 3VA4160-4ED34-0AA0 - 60A 3 Pole Molded Case Circuit Breaker
    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
    50 amp breaker

    Very helpful and arrived quickly.

  • JB
    Josh B.
    Verified Buyer
    Reviewing
    Siemens 3VA4130-4ED24-0AA0 - 30A 2 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    3/5/26
    Breakers

    Exactly as described. Quick shipping.

  • JL
    Jeff L.
    Verified Buyer
    Reviewing
    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

    Great condition and fast shipping

  • KC
    Ken C.
    Verified Buyer
    Reviewing
    Siemens 3VA4150-4ED34-0AA0 - 50A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    9/22/25
    Breaker Order

    Good prices and fast shipping.