GHB3040 - 40Amp Circuit Breaker

GHB3040 - 40Amp Circuit Breaker

The Eaton GHB3040 Series C Complete Molded Case Circuit Breaker delivers industrial-grade performance, uncompromising reliability, and exceptional safety for commercial and light industrial electrical systems. Designed with a robust G-frame and fixed thermal-magnetic trip mechanism, this breaker is ideal for protecting circuits from overloads and short circuits in demanding power distribution applications. Its three-pole configuration ensures balanced load protection for 480Y/277 VAC and 125/250 VDC systems, supporting operations across a wide range of frequencies (50/60 Hz). 

Key Features and Benefits

• Heavy-Duty Protection: Engineered for 14 kAIC interrupt capacity at 480Y/277 VAC and an impressive 65 kAIC at 240 VAC, ensuring resilience in high fault-current environments.
• Fixed Thermal-Magnetic Trip: Delivers consistent performance, with fixed settings optimized for 40-amp applications.
• Versatile Voltage Support: Handles both AC and DC loads (480Y/277 VAC and 125/250 VDC) with reliability.
• Compact & Durable: Measures only 4 inches in height and 3 inches in width, making it ideal for space-constrained installations without compromising strength.
• Trusted Brand Assurance: Backed by Eaton’s Selling Policy 25-000 with a one-year warranty from installation or 18 months from shipment, whichever comes first.
  

Technical Specifications

• Amperage Rating: 40 A
  
• Voltage Rating: 480Y/277 VAC, 125/250 VDC
  
• Interrupt Rating: 14 kAIC at 480Y/277 VAC; 65 kAIC at 240 VAC
  
• Frequency Rating: 50/60 Hz
  
• Trip Type: T186 (Fixed Thermal, Fixed Magnetic)
  
• Number of Poles: Three-pole
  
• Frame Type: G-frame
  
• Series: Series C
  
• Breaker Type: GHB
  
• Dimensions: 2.63 in (Depth) x 4 in (Height) x 3 in (Width)
  
• Weight: 1.75 lb
  

Material Compliance and Certifications

• Certifications: UL Listed
• Compliances: Federal Specifications Classification W-C375B
• Warranty: 1 year from installation or 18 months from shipment (Eaton Selling Policy 25-000)
  

Suitability

• Perfect for commercial facilities, manufacturing environments, and panel builders, the GHB3040 is your go-to molded case circuit breaker for safeguarding three-phase systems with confidence. Its compatibility with both alternating and direct current systems broadens its use across complex electrical installations, making it a versatile and trusted component in any power distribution infrastructure.
  

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.