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Siemens HEG3B050L VL Series 50A 3-Pole Circuit Breaker

Siemens HEG3B050L 50A 3-Pole Molded Case Circuit Breaker

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ManufacturerSiemens

Part numberHEG3B050L

Amperage 50A

Voltage 600V AC

Poles 3

Interrupt Rating 65kA@480V / 25kA@600V

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CAGE: 9NK75

Includes Line and Load Lugs Thermal Magnetic Trip Long-Time and Instantaneous Protection High Interrupting Capacity (65kA@480V) VL Series Quality EG Frame Design 600V AC Operation

Product description

The Siemens HEG3B050L is a 3-pole molded case circuit breaker from the SENTRON VL Frame family, utilizing an EG Frame. It incorporates thermal-magnetic trip technology with LI (Long-Time and Instantaneous) functions, rated for 50A and 600V. This unit comes complete with line and load lugs and offers a high interrupting capacity of 65kAIC at 480VAC and 25kA at 600Y/347VAC [14, 29, 42, 43, 45].

Designed for commercial power distribution, this breaker is compatible with Siemens P4 and P5 panelboards and motor control centers. Its robust construction and high interrupting capacity ensure reliable protection against overcurrents in demanding industrial environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens HEG3B050L. We are committed to providing quality surplus automation components with competitive pricing and efficient service to meet your industrial needs.

Technical specifications

Amperage	50A
Voltage	600V AC
Poles	3
Interrupt Rating	65kA@480V / 25kA@600V
Frame Type	EG
Trip Type	Thermal Magnetic (LI)
Connection	Line/Load Lugs
Series	VL

Common applications

Commercial Power Distribution

Industrial Electrical Systems

Panelboards

Switchboards

Motor Control Centers

Machine Automation

Compatible systems

Siemens P4 Panelboards Siemens P5 Panelboards Switchboards Motor Control Centers Industrial Enclosures

Also known as

Siemens HEG3B050L Circuit Breaker Siemens 50A 3P EG Frame Breaker HEG3B050L with Lugs Sentron VL HEG3B050L

Replaces / compatible with

The Siemens HEG3B050L is part of the SENTRON VL Frame series. While it is a legacy product, Siemens offers replacements such as the 3VA51506ED310AA0, requiring users to check form, fit, and function for their specific application.

Technical note

Expert tip

The HEG3B050L, with its included line and load lugs, provides a convenient and reliable solution for circuits requiring robust overcurrent protection in 600V applications.

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Frequently asked questions

What are the specific interrupting ratings for the Siemens HEG3B050L circuit breaker?

The Siemens HEG3B050L circuit breaker has an interrupting capacity of 65kA at 480VAC and 25kA at 600Y/347VAC. It also has ratings of 100kA at 240VAC and 30kA at 250VDC.