FB3030L - 30Amp Circuit Breaker

FB3030L - 30Amp Circuit Breaker

Keeping an existing electrical system operating often comes down to using the right replacement components. The FB3030L is a 30 Amp, 3-pole FB thermal-magnetic circuit breaker intended as a form, fit, and functional replacement for compatible legacy electrical equipment. Whether you're performing scheduled maintenance, replacing a failed breaker, or restoring equipment to service, matching the original ratings and configuration helps maintain the integrity of the installation without unnecessary modifications.

Inside the FB3030L, the thermal-magnetic trip mechanism provides two layers of protection. The thermal element responds to sustained overloads that develop over time, while the magnetic element trips quickly during short-circuit conditions to help reduce the risk of damage to connected equipment.

Key Features and Benefits

• Form, fit, and functional replacement for compatible FB electrical systems
• 30 Amp, 3-pole thermal-magnetic circuit breaker
• Thermal trip protection helps respond to prolonged overload conditions
• Magnetic trip protection reacts rapidly to short-circuit faults
• Factory-installed non-interchangeable trip unit
• Interrupting ratings of 14kA @ 480VAC and 25kA @ 240VAC
• Rated for operation in ambient temperatures up to 40°C
• Includes both line- and load-side terminals

Technical Specifications

• Part Number: FB3030L
  
• Type: FB
  
• Circuit Breaker Type: Thermal-Magnetic
  
• Amperage: 30 Amps
  
• Poles: 3
  
• Interrupting Rating: 14kA @ 480VAC; 25kA @ 240VAC
  
• Trip Unit: Non-Interchangeable
  
• Ambient Rating: 40°C
  
• Line Terminals: Included
  
• Load 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 FB3030L. Before installation, verify that the breaker's electrical ratings, physical dimensions, terminal configuration, and application are compatible with the equipment being serviced. Installation should be completed by a qualified electrician in accordance with the National Electrical Code (NEC), applicable local electrical codes, and the original equipment manufacturer's recommendations.

Where It Works Best

The FB3030L is a good fit for compatible FB panelboards and electrical distribution equipment found in commercial buildings, industrial facilities, manufacturing plants, institutional properties, and other locations that continue to operate legacy electrical systems. It is commonly used on three-phase branch circuits serving motors, HVAC systems, pumps, compressors, lighting panels, and general power distribution where maintaining the original equipment configuration is important.