FB3015L - 15Amp Circuit Breaker

FB3015L - 15Amp Circuit Breaker

When your existing FB breaker reaches the end of its service life, finding the right replacement is usually more important than finding something different. The FB3015L is a 15 Amp, 3-pole thermal-magnetic circuit breaker made for compatible FB electrical systems where maintaining the original equipment matters. Matching the original specifications helps avoid unnecessary modifications and keeps maintenance projects moving without introducing compatibility concerns.

Key Features and Benefits

• Form, fit, and functional replacement for compatible FB electrical systems
• 15 Amp, 3-pole thermal-magnetic circuit breaker
• Thermal trip helps protect against sustained overload conditions
• Magnetic trip responds quickly to short-circuit faults
• Factory-installed non-interchangeable trip unit
• Rated at 14kA @ 480VAC and 25kA @ 240VAC
• Suitable for operation in ambient temperatures up to 40°C
• Includes both line-side and load-side terminals

Technical Specifications

• Part Number: FB3015L
  
• Type: FB
  
• Circuit Breaker Type: Thermal-Magnetic
  
• Amperage: 15 Amps
  
• Poles: 3
  
• Interrupting Rating: 14kA @ 480VAC; 25kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Ambient Rating: 40°C
  
• Line-Side Terminals: Included
  
• Load-Side Terminals: Included
  
• Dimensions:
  • Height: 6.00 in.
  • Width: 4.13 in.
  • Depth: 3.38 in.
• Dimensions: 4.13 in. W × 6.00 in. H × 3.38 in. D
  
• Approximate Shipping Weight: 5.50 lbs.
  

Material Compliance and Certifications

No material compliance or certification information has been provided for the FB3015L. Before installation, verify that the breaker's electrical ratings, dimensions, and terminal configuration match the equipment being serviced. Installation should be completed by a qualified electrician in accordance with the National Electrical Code (NEC), applicable local codes, and the equipment manufacturer's requirements.

Where It Works Best

The FB3015L is commonly used when servicing compatible FB panelboards and electrical distribution equipment found in commercial buildings, industrial facilities, manufacturing plants, schools, healthcare facilities, and other properties with legacy electrical systems. It's a practical replacement for three-phase branch circuits serving motors, HVAC equipment, lighting, pumps, compressors, and general power distribution where maintaining the original system configuration is the priority.