SIEMENS

HGB3B050B - 50Amp Circuit Breaker

HGB3B050B - 50Amp Circuit Breaker

Regular price $448.57 USD
Regular price Sale price $448.57 USD
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HGB3B050B - 50Amp Circuit Breaker

When you're tracking down a replacement breaker, you don't need a sales pitch—you need the specs to line up. The HGB3B050B is a 50-amp, 3-pole HGB G-frame circuit breaker made for compatible low-voltage panelboards. So, if HGB3B050B is the catalog number you're trying to match, you've got the important details right here: 50 amps, three poles, HGB frame, thermal-magnetic protection, and the specified load-side lug setup.

Key Features and Benefits

  • 50A, 3-pole configuration: Built for compatible three-pole circuits requiring a 50-amp rating.
  • Thermal-magnetic trip: Handles overload and short-circuit protection without an electronic trip unit.
  • TC1GG20 load-side lugs: Provides the specified connection setup for this particular HGB breaker.
  • Cu/Al conductor compatibility: Works with copper or aluminum conductors from 8 AWG through 1/0 AWG.
  • Compact G-frame size: Measures about 3 inches wide, 5.4 inches high, and 2.8 inches deep.

Technical Specifications

  • Catalog Number: HGB3B050B
  • Type: Low-voltage panelboard circuit breaker
  • Frame: HGB G-Frame
  • Amp Rating: 50A
  • Poles: 3
  • Trip Type: Thermal-Magnetic
  • Interrupting Rating at 600Y/347V: 14 kAIC
  • Interrupting Rating at 480Y/277V: 35 kAIC
  • Connection: Load-side lugs only
  • Lug Type: TC1GG20
  • Wire Range: 8 AWG to 1/0 AWG
  • Conductor Type: Copper or aluminum (Cu/Al)
  • Dimensions: 3 W x 5.4 H x 2.8 D in.
  • Net Weight: 2.756 lb.
  • UPC: 887621219833
  • Country of Origin: Mexico

Material Compliance and Certifications

The HGB3B050B is UL Listed, an important detail when you're checking whether a breaker meets the requirements of a particular panelboard or electrical installation.

Where It Works Best

This breaker is a natural fit for compatible low-voltage panelboards in commercial and industrial electrical systems where a 50A, three-pole HGB G-frame breaker is called for. It's particularly useful in replacement and maintenance work where matching an existing breaker matters.


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