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Siemens ED61B050 Molded Case Circuit Breaker
- 50A
- 1 Pole
- Bolt-On
Siemens
ED61B050
Molded Case Circuit Breaker
Brand
Siemens
SKU
ED61B050
Quantity
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Siemens ED61B050 - 50A 1 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial power distribution, the Siemens ED61B050 is a 1-pole, 50A molded case circuit breaker from the Sentron family. It provides dependable overcurrent and short-circuit protection for 347VAC electrical systems. This ED Frame breaker installs into Siemens P2, P3, P4, and P5 panelboards, as well as compatible switchboards, utilizing a secure bolt-on connection. Rated at 30kAIC, it features a fixed thermal-magnetic trip unit and is HACR rated for HVAC use.Specifications
| Brand | Siemens |
|---|---|
| Part Number | ED61B050 |
| Series | ED6 |
| Amperage | 50A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 347VAC |
| Phase | 1 |
| AIC Rating | 30kA @ 347VAC |
| Frame Type | ED |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P2, P3, P4, P5 Panelboards, Switchboards |
| 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 |
| 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 |
Product FAQs
7 answersWhich Siemens panelboards are compatible with the ED61B050 breaker?
This bolt-on breaker is designed for use in Siemens P2, P3, P4, and P5 panelboards, as well as compatible Siemens switchboards.
What wire sizes are accepted by the terminals on the ED61B050?
The included lugs accept 10 AWG to 1/0 AWG copper or aluminum conductors.
What does the ED6 prefix indicate compared to other ED frame breakers?
In the Siemens Sentron family, the ED6 prefix for a 1-pole breaker indicates a maximum voltage rating of 347VAC, whereas ED4 1-pole breakers are rated for a maximum of 277VAC.
Is the Siemens ED61B050 interchangeable with the ITE ED61B050?
Yes. Siemens acquired ITE, and Sentron ED frame breakers are often still referenced by their legacy ITE catalog numbers. The Siemens ED61B050 is the exact same physical and electrical component.
What type of trip unit is installed in the ED61B050?
It features a fixed thermal magnetic trip unit with Long-Time and Instantaneous (LI) protection functions.
How does the ED61B050 mount into a panelboard?
It utilizes a bolt-on connection, securing directly to the panelboard bus with mounting hardware rather than snapping into place.
How should the ED61B050 be cleaned during routine panel maintenance?
After turning off and locking out power, remove dust, soot, or moisture from the breaker surface using a lint-free cloth, brush, or vacuum cleaner. Siemens explicitly warns against blowing debris into the circuit breaker mechanism.
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