TEF134090 - 90Amp Circuit Breaker

TEF134090 - 90Amp Circuit Breaker

The TEF134090 is a 3-pole, 90-amp molded case circuit breaker designed for commercial and industrial electrical distribution systems. If you're replacing an existing TEF breaker, matching the original electrical ratings and physical configuration is essential, and this model is built to provide the same form, fit, and function for compatible equipment.

This breaker uses a non-interchangeable thermal magnetic trip unit, providing fixed protection against overloads and short circuits during normal operation. Rated for 18kA at 480VAC, it's intended for applications that require those specific electrical characteristics. The breaker also comes with load-side lugs, helping simplify installation in compatible panels and switchgear.

Electrical components like this are expected to do one job well—protect the system when conditions change unexpectedly. That's exactly what the TEF134090 is designed for. Its molded case construction is built to last, making it a dependable choice for maintaining existing electrical distribution equipment in commercial buildings, manufacturing facilities, and other industrial environments.

Key Features and Benefits

• 90 Amp Current Rating: 90 amp current rating.
• 3-Pole Configuration: 3-pole configuration for three-phase systems.
• Thermal Magnetic Protection: Non-interchangeable thermal magnetic trip unit.
• 18kA Interrupting Rating: 18kA interrupting rating at 480VAC.
• Load-Side Lugs Included: Includes load-side lugs.
• Molded Case Construction: Molded case construction built for long service life.
• Form, Fit, and Function Replacement: Designed as a form, fit, and functional replacement for compatible TEF series breakers.
  

Technical Specifications

• Part Number: TEF134090
  
• Type: TEF
  
• Product Type: Molded Case Industrial Circuit Breaker
  
• Poles: 3
  
• Amperage: 90 Amps
  
• Trip Unit: Non-Interchangeable Thermal Magnetic
  
• Interrupting Rating: 18kA @ 480VAC
  
• Dimensions:
  • Height: 6.31 in.
  • Width: 4.13 in.
  • Depth: 3.38 in.
• Included Accessories: Load-Side Lugs
  

Material Compliance and Certifications

• Product Classification: Molded case industrial circuit breaker designed for commercial and industrial electrical distribution systems.
• Installation Requirements: Install in accordance with applicable electrical codes and manufacturer requirements.
• Compatibility Notice: Verify electrical ratings and equipment compatibility before installation.
  

Where It Works Best

• The TEF134090 is commonly found in commercial facilities, industrial plants, manufacturing operations, panelboards, and switchboards that use compatible TEF series circuit breakers. It's a practical choice when maintaining existing equipment and replacing a breaker with the same ratings and dimensions.