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Siemens EE3B025 Molded Case Circuit Breaker
- 25A
- 3 Pole
- Bolt-On
Siemens
EE3B025
Molded Case Circuit Breaker
Brand
Siemens
SKU
EE3B025
Quantity
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Siemens EE3B025 - 25A 3 Pole Molded Case Circuit Breaker
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Description
Part of the legacy E-Frame series, this 25-amp molded case circuit breaker provides thermal-magnetic protection for commercial and industrial electrical systems. It installs into Siemens P1, P2, and P3 panelboards, as well as older ITE enclosures, ensuring continued operation of existing infrastructure. Rated for 10kAIC at 240VAC, the three-pole unit features non-interchangeable trips and comes equipped with load-side lugs. This specific model has been superseded by the ED23B025.Specifications
| Brand | Siemens |
|---|---|
| Part Number | EE3-B025-R |
| Series | EE |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 250VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 250VDC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Siemens P1, P2, P3 Panelboards, ITE Panelboards |
| Wire Gauge | 14-10 AWG (Cu), 12-10 AWG (Al) |
| Max Wire | 10 AWG |
| Min Wire | 14 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, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| 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
6 answersWhich panelboards accept the Siemens EE3B025 circuit breaker?
This bolt-on E-frame breaker is designed specifically for Siemens P1, P2, and P3 distribution panelboards, as well as legacy ITE enclosures. Always check the interior label of your panel to confirm E-frame compatibility before installation.
What is the modern replacement for the legacy EE3B025 breaker?
The EE3B025 is a legacy component. When a direct replacement is unavailable, the Siemens ED23B025 serves as the modern substitute. You must verify that your specific panelboard is UL-listed to accept ED-frame breakers before upgrading.
What are the wire gauge requirements for the EE3B025 lugs?
The factory-included lugs accept 14 to 10 AWG copper (Cu) conductors and 12 to 10 AWG aluminum (Al) conductors. Proper torque must be applied during installation to ensure a secure, code-compliant connection.
How does the thermal-magnetic trip unit on the EE3B025 operate?
The breaker utilizes a fixed thermal and fixed magnetic (LI) trip mechanism. The thermal component provides long-time delay protection against sustained overloads, while the magnetic component delivers instantaneous tripping during short-circuit events.
Is it safe to install the EE3B025 in non-Siemens panelboards?
No. This breaker is strictly UL-listed for approved Siemens and ITE panelboards. Installing it in enclosures from other manufacturers compromises the panel's UL listing and introduces severe electrical safety hazards.
What is the advantage of the bolt-on mounting style for the EE3B025?
The bolt-on connection provides a highly secure mechanical and electrical attachment to the panelboard bus. This prevents the breaker from loosening over time, making it ideal for commercial and industrial environments where vibration or thermal cycling may occur.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 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
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2 reviews
- HRHeidi R.ReviewingSiemens EE3B100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars2/26/19Quick Delivery
We ordered the breaker for overnight shipping, and received the part early the next day as expected.
- WMWilliam M.ReviewingSiemens EE1B030 - 30A 1 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars1/2/18Shipped Quickly, Exactly what i
Shipped Quickly, Exactly what i orderd.