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GE TJJ436225
Product Name: GE TJJ Series Molded Case Circuit Breaker (3-Pole, 225A)
Introduction: The TJJ436225 is a 225-amp, 3-pole thermal-magnetic molded case circuit breaker from GE’s legacy J-Frame lineup, designed for bolt-on applications in commercial and industrial facilities.
Technical Specifications:
- Manufacturer: General Electric (now ABB/GE)
Detailed content
- Series: TJJ (J-Frame)
- Amperage: 225 A
- Poles: 3
- Voltage: 240 VAC, 480 VAC, 600 VAC, 250 VDC, 500 VDC
- Mounting Style: Bolt-On
- Trip Technology: Thermal Magnetic
- Trip Function: LI (Long-Time, Instantaneous) – Fixed Thermal, Adjustable Magnetic
- Interrupting Rating:
- 42 kA @ 240 VAC
- 30 kA @ 480 VAC
- 22 kA @ 600 VAC
- 20 kA @ 250 VDC
- 20 kA @ 500 VDC
- Terminal Type: Load Lugs (TCAL43)
- Wire Gauge: (1) 6 AWG – 600 kcmil (Cu/Al) or (2) 2/0 AWG – 250 kcmil (Cu/Al)
- Standards: UL 489, NEMA AB-1
- Approvals: CSA, UL
- Temp Rating: 40°C
- Construction: Non-interchangeable trip, reverse feed capable, quick-make/quick-break
Functional Features:
- Thermal-magnetic protection for overcurrent and short circuits
- Adjustable magnetic trip setting
- Available accessories: Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch
- Retrofit substitute: ABB Tmax XT4 with retrofit kit
Structural Characteristics: The breaker fits into GE A-Series panelboards, Spectra Series switchboards, and J-Frame enclosures. Its construction features non-interchangeable trip and quick-make/quick-break mechanism.
Working Principle: The thermal element provides long-time overload protection, while the magnetic element provides instantaneous short-circuit protection. The magnetic trip is adjustable to coordinate with downstream devices.
Installation Requirements:
- Bolt-on mounting in compatible GE enclosures
- Proper torque on terminations for 6 AWG to 600 kcmil conductors
- Install only with power de-energized
Usage Notes: Suitable for use with GE A-Series Panelboards, GE Spectra Series Switchboards, GE J-Frame Enclosures, and GE Motor Control Centers. Ensure trip coordination with upstream and downstream protective devices.
