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Siemens EE3B040 Molded Case Circuit Breaker

  • 40A
  • 3 Pole
  • Bolt-On
Siemens EE3B040
Molded Case Circuit Breaker
Brand Siemens
SKU EE3B040
Select Item Condition
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  • 40A
  • 3 Pole
  • Bolt-On

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Siemens EE3B040 3 Pole Circuit Breaker

Siemens EE3B040 - 40A 3 Pole Molded Case Circuit Breaker

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$260.97 In Stock

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Description

Engineered for commercial and industrial power distribution, the Siemens EE3B040 is a 3-pole, 40A molded case circuit breaker. This legacy E-frame device provides dependable overcurrent protection for demanding electrical systems. It installs seamlessly into Siemens FC, FE, CDP, P2, and P3 panelboards using a secure bolt-on mounting style. For modern upgrades, this unit is officially replaced by the ED23B040. Rated for 10kAIC at 240VAC, it features fixed thermal magnetic trip functions.

Specifications

Key specifications
Brand Siemens
Series EE
Amperage 40A
Poles 3
Mounting Style Bolt-On
Voltage 240VAC, 250VDC
Phase 3
AIC Rating 10kA @ 240VAC, 10kA @ 250VDC
Fit and installation
Frame Type EE
Terminal Type Lugs
For Use With Siemens FC, FE, CDP, P2, P3 Panelboards
Wire Gauge 10-1/0 AWG (Cu/Al)
Max Wire 1/0 AWG
Min Wire 10 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, Alarm Switch, Undervoltage Release
Accessories Load Side Lugs Included
Standards CSA C22.2 No. 5, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated, Non-Interchangeable Trip

Product FAQs

3 answers
Can I install the EE3B040 in classic ITE panelboards?

Yes, in addition to Siemens FC, FE, CDP, P2, and P3 panelboards, this bolt-on breaker is backward compatible with classic ITE panelboards that accept E-frame breakers.

Is the Siemens EE3B040 a direct replacement for older ITE models?

Yes, this unit directly replaces legacy ITE, Gould, and I-T-E Imperial EE3B040 circuit breakers, maintaining the exact mechanical footprint and electrical characteristics.

What is the modern equivalent for the legacy EE3B040?

For system upgrades or modernizations, the ED23B040 serves as the current replacement for this legacy E-frame breaker.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 2 reviews
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
2 reviews
  • HR
    Heidi R.
    Flag of United States
    Reviewing
    Siemens EE3B100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/26/19
    Quick Delivery

    We ordered the breaker for overnight shipping, and received the part early the next day as expected.

  • WM
    William M.
    Flag of United States
    Reviewing
    Siemens EE1B030 - 30A 1 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    1/2/18
    Shipped Quickly, Exactly what i

    Shipped Quickly, Exactly what i orderd.