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Siemens HED43B050 Sentron Series 50A 3-Pole Circuit Breaker

Siemens HED43B050 50A 3-Pole Molded Case Circuit Breaker

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ManufacturerSiemens

Part numberHED43B050

Amperage 50A

Voltage 480V AC

Poles 3

Interrupt Rating 42kA@480V

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Thermal Magnetic Trip Unit Long-Time and Instantaneous Protection 42kAIC Interrupt Rating Sentron Series Reliability 3-Pole Configuration 480V Operation

Product description

The Siemens HED43B050 is a 3-pole molded case circuit breaker from the Sentron Series. It features a thermal magnetic trip unit with LI (Long-Time and Instantaneous) functions, rated for 50A and 480V with a 42kAIC interrupting capacity at 480V [6, 11, 13, 26, 34, 40, 46]. This ED frame breaker is designed for robust protection in commercial and industrial electrical distribution systems.

Ideal for panelboards, switchboards, and motor control centers, the HED43B050 provides reliable overcurrent protection. Its applications span various industries including manufacturing, power distribution, and building automation, where consistent and dependable circuit protection is crucial. The bolt-on mounting style ensures easy integration into Siemens P1, P2, and P3 panelboards.

Source your Siemens HED43B050 circuit breaker from Stanlo Automation, a veteran-owned surplus parts distributor. We offer competitive pricing and ensure that you receive high-quality components for your automation needs, backed by our commitment to excellent customer service.

Technical specifications

Amperage	50A
Voltage	480V AC
Poles	3
Interrupt Rating	42kA@480V
Frame Type	ED
Trip Type	Thermal Magnetic (LI)
Mounting	Bolt-On
Series	Sentron

Common applications

Industrial Power Distribution

Commercial Electrical Systems

Panelboard Protection

Motor Control Centers

Manufacturing Facilities

Building Automation

Compatible systems

Siemens P1 Panelboards Siemens P2 Panelboards Siemens P3 Panelboards SB Switchboards Motor Control Centers

Also known as

Siemens HED43B050 Circuit Breaker Siemens 50A 3P Breaker Sentron HED43B050

Replaces / compatible with

The Siemens HED43B050 is part of the Sentron ED frame series and is a direct replacement for older HED43B050 units. It can be replaced by newer Siemens 3VA5150-6EC36-0AA0 using an adapter kit.

Technical note

Expert tip

The ED frame circuit breakers, including the HED43B050, can be reverse connected as the trip unit is not removable, allowing for flexible installation.

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Frequently asked questions

What are the key specifications for the Siemens HED43B050 circuit breaker?

The Siemens HED43B050 is a 3-pole, 50A, 480V molded case circuit breaker with a 42kAIC interrupting rating at 480V. It features a thermal magnetic trip unit with LI (Long-Time and Instantaneous) protection and is part of the Sentron Series.