THED136020 - 20 Amp Circuit Breaker

THED136020 - 20 Amp Circuit Breaker

The THED136020 molded-case circuit breaker is a 3-pole, 20-amp industrial circuit breaker designed to provide dependable protection in your commercial and industrial electrical distribution systems. Built with a non-interchangeable thermal-magnetic trip unit, this breaker helps protect electrical equipment and conductors from overloads and short circuits while remaining compatible with systems designed for the THED product line. Its compact molded case construction allows for efficient installation in a variety of switchboards, panelboards, and distribution equipment where reliable overcurrent protection is required.

Designed for demanding electrical applications, the THED136020 features impressive interrupting capacities, including 18kA at 600VAC, 25kA at 480VAC, and 65kA at 240VAC, making it suitable for your installations requiring higher fault-current protection. The breaker also includes load-side lugs, simplifying field installation and conductor termination. Built to last and engineered for long-term service, this circuit breaker remains a practical solution for maintaining your existing electrical infrastructure and ensuring continued system protection.

Key Features and Benefits

• 20 Amp current rating for the branch circuit and equipment protection
• 3-pole configuration for three-phase electrical systems
• Non-interchangeable thermal magnetic trip unit for dependable overload and short-circuit protection
• Molded case design suited for industrial and commercial applications
• Includes load-side lugs for convenient installation
• Interrupting ratings of:
  18kA at 600VAC
  25kA at 480VAC
  65kA at 240VAC
• Compatible with equipment designed for THED series circuit breakers
• Built for long service life in demanding electrical environments
• Helps maintain protection and functionality in existing power distribution systems

Technical Specifications

• Part Number: THED136020
• Series / Type: THED
• Product Type: Molded Case Industrial Circuit Breaker
• Trip Unit: Non-Interchangeable Thermal Magnetic
• Poles: 3
• Amperage Rating: 20 Amps
• Voltage / A.I.C. Rating: 18kA @ 600VAC; 25kA @ 480VAC; 65kA @ 240VAC
• Height: 6.31 in.
• Width: 4.13 in.
• Depth: 3.38 in.
• Terminal Configuration: Includes Load-Side Lugs

Material Compliance and Certifications

• Industry Standards: This molded case circuit breaker is manufactured for use in electrical power distribution applications and is designed to meet applicable industry standards associated with its original production and intended use. Users should verify that all compliance, certification, and application requirements are met in accordance with project specifications, local codes, and installation conditions before use.
• UL Standards: When installed according to electrical codes, you can have confidence that this unit adheres to expected construction and compliance benchmarks.

Where It Works Best

• The THED136020 is well-suited for: Industrial manufacturing facilities, Commercial buildings, Power distribution equipment, Motor and machinery protection circuits, Switchboards and panelboards, Three-phase electrical systems require a 20-amp breaker, Maintenance, repair, and replacement projects where THED-series compatibility is required Its combination of thermal-magnetic protection, three-pole design, and high interrupting ratings makes it an effective choice for protecting electrical systems while maintaining proper form, fit, and function in existing installations.