GE TEYL3125B – 125A 3-Pole 480Y/277V Bolt-On Thermal Magnetic Circuit Breaker – 65kAIC @ 480V

Product Description

The GE TEYL3125B is a 125 Amp, 3-Pole, bolt-on molded case circuit breaker from the GE TEY Series, designed primarily for lighting panelboards and commercial distribution systems. It features a fixed thermal magnetic trip unit that provides dependable overload and short-circuit protection while allowing quick installation in compatible GE panelboards. The compact 1-inch-per-pole design makes it ideal for high-density lighting panel applications.

Key Features

• Genuine GE / ABB TEYL Series Circuit Breaker
• 125 Amp Continuous Rating
• 3-Pole Configuration
• Bolt-On Mounting
• Thermal Magnetic Trip Unit
• Fixed Long-Time & Instantaneous Protection (LI)
• Compact 1" Width Per Pole Design
• Suitable for Lighting Panelboards
• Quick-Make / Quick-Break Operating Mechanism
• Common Trip Design
• UL Listed

Technical Specifications

Manufacturer: General Electric (GE) / ABB

Catalog Number: TEYL3125B

Series: TEYL (TEY Series)

Product Type: Molded Case Circuit Breaker

Mounting Style: Bolt-On

Poles: 3

Amperage: 125A

Voltage Rating:

• 120/240VAC
• 240VAC
• 480Y/277VAC
• 125VDC
• 250VDC

Interrupting Ratings:

• 100kAIC @ 120/240VAC
• 100kAIC @ 240VAC
• 65kAIC @ 480Y/277VAC
• 42kAIC @ 125VDC
• 35kAIC @ 250VDC

Trip Unit: Thermal Magnetic

Trip Functions:

• Long-Time (Fixed)
• Instantaneous (Fixed)

Connection Type: Load Lugs

Wire Range:

• #4 AWG to 2/0 AWG Copper or Aluminum

Frequency:

• 50/60 Hz

Phase:

• 3 Phase

Operating Temperature:

• 40°C

Approximate Weight:

• 2.0 lbs

UPC / GTIN:
783164462654

Panel Compatibility

Compatible with GE / ABB bolt-on lighting panelboards including:

• AS Lighting Panels
• TEY / Q-Line Panelboards
• Other GE panelboards designed for TEY bolt-on breakers

Always verify panel labeling and interrupting rating requirements before installation.

Interchangeability

The TEYL3125B is the 65kAIC version of the TEY family and is not directly interchangeable with lower interrupting rating models unless the available fault current at the installation permits it.

Related models include:

• TEYD3125B – 25kAIC
• TEYH3125B – 35kAIC
• TEYL3125B – 65kAIC (this model)

Always replace with a breaker having an equal or higher interrupting rating that matches the panel's listing and application.

Product Data

Brand: GE / ABB

Manufacturer Part Number: TEYL3125B

Condition: (New, Used, or Reconditioned – select as applicable)

Product Type: Molded Case Circuit Breaker

Frame: TEYL

Mounting: Bolt-On

Poles: 3

Amperage: 125A

Voltage: 480Y/277VAC

Trip Type: Thermal Magnetic

Interrupt Rating: 65kAIC @ 480Y/277VAC

UPC: 783164462654

Returns are easy

You may return items within 30 days of delivery for a refund.

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