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GE TJK636T300
Product Name: GE TJK636T300 Thermal-Magnetic Trip Unit (J Frame, 300 A)
Product Overview: The TJK636T300 is a General Electric 300 A, 600 V AC, 3-pole thermal-magnetic trip unit designed for J frame molded case circuit breakers. It provides reliable circuit protection with adjustable magnetic trip and thermal overload features for industrial and commercial power distribution systems operating at up to 600 V AC.
Detailed content
Technical Specifications:
- Manufacturer: General Electric
- Family: J600 Line, Type TJK
- Frame: J Frame
- Amperage: 300 A (fixed, minimum = maximum = 300 A)
- Voltage Rating: 600 V AC
- Poles: 3
- Phase: 3-phase
- Trip Functions: LI – Long-Time and Instantaneous
- Adjustable Magnetic Trip: Yes
- Interrupt Rating: 65 kA
- Mounting Type: Bolt-On
- Compatible Frames: TJK J-frame molded case circuit breakers
- Certifications: UL, CSA
Functional Features:
- Thermal-magnetic protection combining long-time overload and instantaneous short-circuit tripping
- Adjustable magnetic trip setting for customized short-circuit protection
- Designed for easy installation and compatibility with J frame breakers
- Suitable for industrial and commercial power distribution
Performance Parameters:
- Continuous current rating: 300 A
- Interrupting capacity: 65 kA
- Operating voltage: up to 600 V AC, 3-phase
Material & Structural Characteristics:
- Thermal-magnetic trip unit mechanism housed in J-frame breaker
- Bolt-on mounting interface
Installation Requirements:
- Install in compatible GE TJK J-frame molded case circuit breaker
- Ensure proper bolt-on mounting
- Verify frame compatibility before installation
Usage Notes:
- Adjust magnetic trip setting per system requirements
- UL and CSA certified for industrial and commercial applications
- Verify interrupting rating against available fault current
