GE TEYH3110B
Product Name: GE TEY-Frame Molded Case Circuit Breaker
Product Introduction: The TEYH3110B is a 110 A, 3-pole, 125-frame TEY series molded case circuit breaker with a fixed instantaneous trip, designed for branch circuit protection in GE lighting and power panelboards.
Technical Specifications:
- Manufacturer: General Electric
Detailed content
- Series: TEY
- Frame Size: 125 A
- Poles: 3 (3-phase, ABC)
- Current Rating: 110 A
- Voltage Rating: 277 / 480 VAC
- DC Voltage Rating: 250 V (AC not rated for DC)
- Max. AIR (Interrupting Rating): 35 kA @ 277 / 480 VAC
- Trip Type: Thermal-magnetic with fixed instantaneous trip
- Terminal Connection: Lug (JUL-type terminal)
- Wire Size Range: 4 AWG minimum to 2 AWG maximum
- Mounting: Bolt-on panelboard
- Actuator: Toggle
- Dimensions: 5 1/5″ H × 3″ W × 3″ D
- Cross Reference: 32HZ51
Functional Features:
- Fixed instantaneous trip for predictable short-circuit response
- Lug terminals for direct aluminum or copper conductor termination
- Specifically designed for use with GE AS lighting panels
Application Scenarios: Branch circuit protection in commercial and industrial electrical distribution systems, particularly in manufacturing facilities and GE panelboard installations.
Installation Requirements:
- Verify system voltage (277/480 VAC), required amperage (110 A), and interrupting capacity (35 kA)
- Confirm fixed instantaneous trip and lug terminal connection match the panelboard
- Ensure ABC phase connection compatibility
- Mount as a bolt-on device in a compatible GE panelboard
Usage Precautions:
- Consult a licensed electrician for proper coordination with upstream protection devices
- Use only conductors within the 4–2 AWG range
- Do not apply DC voltage beyond the 250 V rating












