ED43B050 - 50Amp Circuit Breaker
- 50 Amp
- 18k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options: New In Box
ED43B050 - 50Amp Circuit Breaker Description
ED43B050 - 50 Amp Circuit Breaker
The ED43B050 circuit breaker is a dependable 50-amp, 3-pole molded case circuit breaker designed to protect electrical distribution systems in commercial and industrial environments. Built on the ED4 frame platform, this Sentron-style breaker provides consistent thermal-magnetic protection against overloads and short circuits while maintaining stable performance in demanding electrical installations. With an interrupting rating of 18kA at 480VAC and 65kA at 240VAC, the ED43B050 helps safeguard downstream equipment and maintain system integrity during fault conditions. Its bolt-on mounting configuration ensures a secure connection to compatible panelboards and switchboards, while included load-side terminals simplify installation and wiring. Rated for operation at 40°C and HACR applications, this breaker is also suitable for reverse feed, making it a practical solution for HVAC systems, machinery protection, and general power distribution where reliable circuit protection is essential.
Key Features and Benefits
- 50 Amp Continuous Protection – Designed to provide reliable overcurrent protection for three-phase electrical systems.
- 3-Pole Configuration – Supports balanced protection across multiple phases in commercial and industrial circuits.
- High Interrupting Capacity – Rated 18kA at 480VAC and 65kA at 240VAC to handle high fault currents safely.
- ED4 Frame Design – Compatible with systems designed for ED4-frame Sentron-style molded case circuit breakers.
- Bolt-On Mounting – Delivers a secure, stable connection to panelboards and switchboards.
- HACR Rated – Suitable for heating, air conditioning, and refrigeration equipment applications.
- Reverse Feed Capable – Offers flexible installation options in a variety of electrical configurations.
- Includes Load-Side Terminals – Simplifies installation and helps reduce setup time in the field.
- 40°C Operational Rating – Built for dependable performance in typical electrical room conditions.
Technical Specifications
- Part Number: ED43B050
- Breaker Type: Sentron Style Molded Case Circuit Breaker
- Frame Type: ED4
- Amperage Rating: 50 Amps
- Number of Poles: 3
-
Interrupting Rating:
- 18kA @ 480VAC
- 65kA @ 240VAC
- Mounting Type: Bolt-On
- Operational Temperature Rating: 40°C
- Included Accessories: Load-side terminals
- Special Ratings: HACR Rated; Suitable for reverse feed
- Approximate Shipping Weight: 3.0 lbs
- Height: 6.35 inches
Material Compliance and Certifications
- Industry Standards: The ED43B050 molded case circuit breaker is manufactured to meet commonly recognized electrical industry standards for safety and performance.
- Component Materials: Components are produced using durable insulating materials and conductive elements designed for reliable current interruption and long service life.
- Compliance Expectations: Breakers in this class are typically engineered to align with applicable UL and NEMA performance expectations for molded case circuit protection, helping ensure dependable operation in professional electrical installations when used within rated parameters.
Where It Works Best
- Commercial building panelboards and distribution panels
- HVAC equipment and refrigeration systems (HACR applications)
- Industrial machinery and motor circuits
- Manufacturing facilities and process equipment
- Three-phase power distribution systems in offices, warehouses, and retail facilities
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:3.0
- Height:6.35
- Depth:3.92
- Poles:3
- Amperes:50
- A.I.C. Rating & Volts:18k @ 480VAC; 65k @ 240VAC
- Type:ED4
- Approx Dimensions:3.00"W x 6.35"L x 3.92"D
- Additional Notes:40°C, HACR rated, Sentron Style Molded Case Circuit Breaker. Bolt-On. Includes load-side terminals. Suitable for reverse feed.
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You may return unused items within 30 days of delivery for a full refund.
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