Siemens EE1B040 Molded Case Circuit Breaker
- 40A
- 1 Pole
- Bolt-On
Quantity
Siemens EE1B040 - 40A 1 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Description
Built for commercial applications, the Siemens EE1B040 provides 40A of overcurrent protection in a single-pole configuration. This E-frame molded case circuit breaker features a fixed thermal-magnetic trip unit with long-time and instantaneous functions. Designed for secure bolt-on installation, this unit mounts into Siemens P1, P2, P3, and older ITE panelboards. It is superseded by the ED21B040 for modern upgrades. Rated 10kAIC at 120VAC, it includes load-side lugs for 14-1/0 AWG wire.Specifications
| Brand | Siemens |
|---|---|
| Part Number | EE1B040-R |
| Series | EE |
| Amperage | 40A |
| 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 P1, P2, P3 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, 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, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
7 answersWhich panelboards accept the EE1B040 circuit breaker?
This bolt-on breaker mounts directly into Siemens P1, P2, and P3 panelboards, as well as older legacy ITE panelboards.
What is the modern direct replacement for the EE1B040?
For modern upgrades, the legacy EE frame EE1B040 has been superseded by the Siemens ED21B040 circuit breaker.
Is this breaker rated for direct current systems?
Yes, it carries a DC rating for applications up to 125VDC, providing an interrupting capacity of 5kAIC.
What wire sizes and materials are supported by the load lugs?
The factory lugs are rated for both copper and aluminum conductors, accommodating wire sizes from 14 AWG up to 1/0 AWG.
What type of protection does the LI trip function provide?
The fixed thermal magnetic trip unit delivers long time protection for sustained overloads and instantaneous protection for short circuits.
Is the EE1B040 suitable for heating and cooling equipment?
Yes, this breaker is HACR rated, making it approved for use with heating, air conditioning, and refrigeration equipment.
Does this breaker feature a trip-free mechanism?
Yes, it utilizes a trip-free, quick-make and quick-break mechanism. This ensures the breaker will trip under fault conditions even if the handle is physically held in the ON position.
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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.