Digital guide

You are here:

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

You may also like