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Siemens ED61B040 Molded Case Circuit Breaker
- 40A
- 1 Pole
- Bolt-On
Siemens
ED61B040
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED61B040
Quantity
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Siemens ED61B040 - 40A 1 Pole Molded Case Circuit Breaker
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Description
Built for industrial environments, the Siemens ED61B040 is a 1-pole, 40A molded case circuit breaker. It utilizes thermal-magnetic trip technology to provide essential long-time and instantaneous (LI) protection. The bolt-on mounting style ensures a secure connection when installed into Siemens P1, P2, and P3 panelboards, switchboards, or motor control centers. It accepts 10-1/0 AWG wire via load side lugs.Specifications
| Brand | Siemens |
|---|---|
| Part Number | ED61B040 |
| Series | ED6 |
| Amperage | 40A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 347VAC |
| Phase | 1 |
| AIC Rating | 30kA @ 347VAC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Motor Control Centers |
| Wire Gauge | 10-1/0 AWG (Cu/Al) |
| Max Wire | 1/0 AWG |
| Min Wire | 10 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 |
| Standards | CSA C22.2 No. 5, HACR, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed, Non-Interchangeable Trip |
Product FAQs
5 answersWhich Siemens panelboards accept the ED61B040 breaker?
This ED frame breaker is designed for Siemens P1, P2, and P3 commercial panelboards, as well as compatible switchboards and motor control centers. It uses a bolt-on connection to attach directly to the panel bus, providing a secure fit for high-vibration industrial environments.
How does the ED6 series differ from the ED4 series?
The ED6 series provides higher voltage and interrupting ratings. While a 1-pole ED4 breaker is typically limited to 277VAC, the ED61B040 is rated for 347VAC and delivers a 30kAIC interrupting rating at that voltage.
Are line side lugs included with the ED61B040?
No, this breaker is supplied with load side lugs only, which accept 10 to 1/0 AWG copper or aluminum wire. Because it typically bolts directly to a panel bus, line side lugs are not included. However, they can be added in the field (using a kit like the LN1E100) if mounting in a standalone enclosure.
Is this breaker suitable for HVAC applications?
Yes, the ED61B040 is HACR rated. This means it has been tested and approved for the specific inrush currents and operational demands of heating, air conditioning, and refrigeration equipment.
Will the ED61B040 replace an older ITE Sentron breaker?
Yes. Siemens maintained the Sentron ED frame design after acquiring ITE. This breaker serves as a direct drop-in replacement for older ITE or Siemens-Allis 1-pole, 40A, ED6 frame breakers sharing the same catalog number.
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