Need a direct replacement G-frame branch breaker for your Eaton panelboard? This Cutler-Hammer GHB3015 drops in and handles your 15-amp three-phase loads seamlessly. Built for daily jobsite durability, this heavy-duty bolt-on breaker attaches securely onto the panel bus to prevent loose connections, delivering reliable overcurrent and short-circuit protection right where you need it.
The GHB3015 features standard factory-installed load lugs that accept 14 to 10 AWG copper or aluminum wiring, making field installations fast and straightforward. It operates on 50/60 Hz commercial distribution systems up to 480Y/277VAC, as well as 125/250VDC systems. With a solid 14 kAIC interrupting rating at 480V, you can swap this unit into your industrial or commercial panelboards with total trade confidence.
Common Applications
Direct branch replacements in commercial Eaton powerline panelboards.
Field maintenance swap-outs for commercial HVAC and cooling machinery.
Three-phase motor branch circuits and specialized industrial control panels.
Key Features
Contractor-Ready Fit: Standard G-frame footprint drops directly into commercial style bolt-on panelboards without extra modification.
Rugged Lugs: Built-in industrial load terminals support clean, torqued field terminations for both aluminum and copper feeds.
Simultaneous Trip: Engineered with internal common-trip linkages to drop all three poles instantly during a fault event.
Specifications
Amperage Rating: 15A
Voltage Rating: 480Y/277VAC, 125/250VDC
Number of Poles: 3-Pole
Interrupt Rating: 14 kAIC at 480Y/277VAC, 65 kAIC at 240VAC
Frame Size: G-Frame
Trip Type: Non-Interchangeable Thermal-Magnetic
Terminal Connection: Standard Load Lugs Included
Wire Range: 14 to 10 AWG (Cu/Al)
Frequency: 50/60 Hz
Certifications: UL Listed, CSA Certified
Product Identification
Country of Origin: United States
Dimensions: 4.0 in H x 3.0 in W x 2.63 in D
Weight: 1.75 lb
UPC/GTIN: 786679911259
FAQ
Q: Does this breaker come with the line-side bolt-on hardware?
A: Yes, the integrated bolt-on line tab mounting configuration is standard for direct attachment to panelboard bus bars.
Q: Can I use this GHB3015 breaker on a standard single-phase system?
A: This is a 3-pole unit designed for three-phase systems, though it can be applied in specific multi-wire configurations according to code.
Q: Is this a thermal-magnetic breaker or electronic?
A: The GHB3015 is a traditional thermal-magnetic breaker equipped with fixed magnetic and fixed thermal tripping thresholds.
Q: What is the torque requirement for the load terminals?
A: Always refer to the faceplate label on the breaker frame for exact manufacturer-specified wire terminal torque values.