Product Type | Power Accessory |
Form Factor | DIN Rail Mountable |
Number of Poles | 2 |
Rated Current | 20 A |
Rated Voltage | 480Y/277 Vac |
Warranty | 1 Year |
Mounting Type | Panel Mount |
Interrupting Rating | 18 kAIC at 480Y/277 Vac |
Application | Branch Circuit Protection |
Eaton GHB2020 20A 480Y/277V Two-Pole Power Accessory



Key Benefits

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- Built to support 480Y/277 Vac applications with a 20 A rating, making it suitable for commercial and industrial power systems.
- TAA compliance and U.S. manufacturing enable use in government and trade agreement-bound projects.
- Compact dimensions reduce panel space usage and simplify installation in confined environments.
Product Overview
The Eaton GHB2020 is a high-performance 20A power accessory designed for 480Y/277 Vac systems. Its compact dimensions of 2" x 2.63" x 4" make it ideal for tight panel spaces. As a two-pole unit, it provides improved circuit safety and performance. Manufactured in the USA and TAA compliant, the GHB2020 guarantees compatibility with federally regulated applications. Included is a 1-year warranty for added assurance in long-term use.
Specifications
Product Overview
Physical & Environmental
Width | 2 Inch |
Depth | 2.63 Inch |
Height | 4 Inch |
Unit Weight | 1.1 lb (approx.) |
Operating Temperature | -40°C to 70°C |
Storage Temperature | -40°C to 75°C |
Humidity Range | 5% to 95% non-condensing |
Enclosure Rating | NEMA 1 (when installed in enclosure) |
Material | Thermoset |
Advanced Safety Features
Trip Mechanism | Thermal-Magnetic |
Trip Indicator | Yes |
Overload Protection | Yes |
Short Circuit Protection | Yes |
Arc Flash Rated | No |
Interfaces
Connection Type | Bolt-on |
Terminal Type | Box Lug |
Wire Size | 14 – 3 AWG Cu/Al |
Wire Type | Copper or Aluminum |
Compliance & Origin
Country of Origin | United States |
TAA Compliant | Yes |
RoHS Compliant | Yes |
UL Listed | UL 489 |
CSA Certified | Yes |
ANSI/IEEE Compliance | ANSI C37.16 |
CE Certified | Yes |
Cloud Management & Licensing
Remote Management Capability | |
Cloud Licensing Model |