Siemens EE1B050 Molded Case Circuit Breaker
- 50A
- 1 Pole
- Bolt-On
Quantity
Siemens EE1B050 - 50A 1 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Operating at 120VAC, the Siemens EE1B050 delivers 50 amps of reliable circuit protection for commercial environments. This E-frame MCCB incorporates fixed thermal and magnetic trip elements to manage sustained overloads and short circuits. Installation is straightforward with a bolt-on configuration compatible with Siemens Sentron and classic ITE panelboards. The ED21B050 serves as its official substitute. Carrying a 10kAIC rating, it is HACR rated and features a trip-free mechanism.Specifications
| Brand | Siemens |
|---|---|
| Part Number | EE1B050-R |
| Series | EE |
| Amperage | 50A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 125VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC, 5kA @ 125VDC |
| Frame Type | EE |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens Sentron Panelboards, ITE Panelboards |
| Wire Gauge | 14-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 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 |
|---|---|
| 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, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
6 answersWhich panelboards are compatible with the EE1B050 breaker?
This bolt-on E-frame breaker installs directly into legacy Siemens Sentron and classic ITE panelboards.
What is the modern replacement for the legacy EE1B050?
The Siemens ED21B050 serves as the official substitute for this legacy E-frame circuit breaker.
Can this breaker be used for HVAC equipment?
Yes, it is HACR rated, meaning it is certified for use with heating, air conditioning, and refrigeration equipment requiring 50A overcurrent protection.
Will the breaker still trip if the handle is held in the ON position?
Yes, it features a trip-free mechanism that guarantees the internal contacts will open during an overload or short circuit, regardless of the physical handle position.
What conductor materials and sizes are supported by the terminal lugs?
The load side lugs accept both copper and aluminum wire, ranging from 14 AWG up to 1/0 AWG.
What is the ambient temperature rating for this circuit breaker?
It is calibrated for operation in a 40 degree Celsius ambient environment, which is standard for UL 489 molded case circuit breakers.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 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.