EHB34045 - 45 Amp Circuit Breaker

EHB34045 - 45 Amp Circuit Breaker

If you're working with an existing electrical system and need a breaker that fits right the first time, the EHB34045 is built to match your setup without the guesswork. This 3-pole, 45-amp bolt-on circuit breaker is designed specifically for EHB-4 frame panelboards, making it a reliable choice when maintaining or servicing established commercial and industrial equipment. It delivers the protection your system was originally designed for, with interrupting ratings of 14k A.I.C. at 480VAC and 65k A.I.C. at 240VAC—helping you stay aligned with your system’s requirements. Its bolt-on design provides a secure, stable connection, which is exactly what you want in environments where consistency matters day in and day out.

Key Features and Benefits

• Designed for Compatibility – Matches EHB-4 frame panelboards for seamless integration
• 3-Pole Configuration – Ideal for three-phase power distribution systems
• 45 Amp Capacity – Supports circuits requiring steady, moderate current protection
• Bolt-On Connection – Helps ensure a tight, secure fit that stays in place
• Dual A.I.C. Ratings –
  • 14k @ 480VAC
  • 65k @ 240VAC
• Built to Last – Solid construction intended for long-term, consistent use

Technical Specifications

• Part Number: EHB34045
  
• Poles: 3
  
• Amperage: 45A
  
• Voltage Rating: Up to 480VAC
  
• Interrupting Capacity:
  • 14k A.I.C. @ 480VAC
  • 65k A.I.C. @ 240VAC
• Frame Type: EHB-4
  
• Mounting Type: Bolt-On
  
• Weight: 3.0 lbs
  
• Height: 3.5 inches
  

Material Compliance and Certifications

• The EHB34045 is manufactured in accordance with recognized industry standards for molded case circuit breakers.
• It is intended for use in systems designed to meet NEC (National Electrical Code) requirements.
• Always confirm compliance details with your specific project or installation guidelines.

Where It Works Best

• Commercial facilities operating with EHB-4 panelboards
• Industrial environments maintaining existing electrical infrastructure
• Replacement needs where matching original specifications is essential
• Installations that require bolt-on breakers for added connection security