Description

Description

2-Pole Bolt-On Circuit Breaker

ABB TEY 2-Pole Bolt-On Circuit Breakers are compact lighting panel circuit breakers designed for compatible grounded electrical distribution systems. The TEY platform uses a one-inch-wide-per-pole bolt-on construction and is available here in ampere ratings from 20A through 50A.

All six models in this product group use a non-interchangeable LI trip configuration with fixed long-time and instantaneous functions. ABB lists these two-pole TEY breakers for 120V AC, 120/240V AC, 240V AC, and 277V AC system-voltage applications. :contentReference[oaicite:0]{index=0}

Product Highlights

ABB TEY / Q-Line bolt-on circuit breakers
2-pole configuration
20A, 25A, 30A, 35A, 40A, and 50A options
One-inch-wide-per-pole compact design
Bolt-on mounting
Non-interchangeable trip style
LI trip function
Fixed long-time and instantaneous functions
Suitable for reverse feed
Quick-make / quick-break mechanism
Common trip-bar construction
Easy-to-spot trip indication
HACR and HID markings
Compatible with auxiliary contact and shunt-trip accessories where applicable

Technical Specifications

Manufacturer	ABB
Product Line	TEY / Q-Line
Product Type	Lighting Panel Circuit Breaker
Mounting	Bolt-On
Number of Poles	2
Available Ampere Ratings	20A, 25A, 30A, 35A, 40A, 50A
System Voltages	120V AC, 120/240V AC, 240V AC, 277V AC
120V AC Interrupting Rating	65 kAIC
120/240V AC Interrupting Rating	65 kAIC
240V AC Interrupting Rating	65 kAIC
277V AC Interrupting Rating	14 kAIC
Trip Style	Non-Interchangeable
Trip Function	LI
Long Time	Fixed
Instantaneous	Fixed
Continuous Current Rated	Standard
Reverse Feed	Suitable
Wire Range - Cu / Al	14-8 / 12-8
Special Markings	HACR, HID
CSA File	LR57114
Available Catalog Numbers	TEY220, TEY225, TEY230, TEY235, TEY240, TEY250

Construction Details

ABB's TEY is a compact, one-inch-wide-per-pole bolt-on circuit breaker designed for compatible grounded 480Y/277V AC systems. ABB also offers a bolt-on mounting-base accessory for approved lug-to-lug applications. :contentReference[oaicite:1]{index=1}

The TEY platform features quick-make / quick-break mechanisms, common trip bars, and visible trip indication. ABB offers the TEY family in one-, two-, and three-pole versions, with auxiliary-contact and shunt-trip accessories available for compatible configurations. :contentReference[oaicite:2]{index=2}

All six breakers listed on this page are two-pole models with fixed, non-interchangeable LI trip configurations.

Available Circuit Breakers

TEY220 20A 2-Pole | Bolt-On

TEY225 25A 2-Pole | Bolt-On

TEY230 30A 2-Pole | Bolt-On

TEY235 35A 2-Pole | Bolt-On

TEY240 40A 2-Pole | Bolt-On

TEY250 50A 2-Pole | Bolt-On

Catalog Number & Ampere Rating

Catalog Number	Ampere Rating	Poles	Mounting
TEY220	20A	2	Bolt-On
TEY225	25A	2	Bolt-On
TEY230	30A	2	Bolt-On
TEY235	35A	2	Bolt-On
TEY240	40A	2	Bolt-On
TEY250	50A	2	Bolt-On

Selecting the Correct Breaker

20A

Select TEY220 for the 20A two-pole configuration.

25A

Select TEY225 for the 25A two-pole configuration.

30A

Select TEY230 for the 30A two-pole configuration.

35A

Select TEY235 for the 35A two-pole configuration.

40A

Select TEY240 for the 40A two-pole configuration.

50A

Select TEY250 for the 50A two-pole configuration.

Electrical Ratings

120V / 120-240V / 240V AC

ABB lists a 65 kAIC interrupting rating at 120V AC, 120/240V AC, and 240V AC for the two-pole TEY models in the supplied combined product details. :contentReference[oaicite:3]{index=3}

277V AC

ABB lists a 14 kAIC interrupting rating at 277V AC for these two-pole TEY breakers. :contentReference[oaicite:4]{index=4}

Trip & Protection Features

LI Trip Function

These breakers use an LI trip function with fixed long-time and instantaneous characteristics.

Common Trip Bar

ABB identifies common trip-bar construction as a standard TEY family feature. :contentReference[oaicite:5]{index=5}

Reverse Feed Suitable

ABB lists these two-pole TEY models as suitable for reverse-feed applications when used in an approved compatible configuration. :contentReference[oaicite:6]{index=6}

Conductor Compatibility

The supplied ABB product details list the following conductor ranges for these TEY two-pole breakers:

Copper: 14-8
Aluminum: 12-8

Confirm conductor material, size, preparation, and terminal torque requirements against the exact ABB installation information before termination.

Special Markings & Classification

HACR & HID

ABB lists HACR and HID special markings for these TEY breakers. :contentReference[oaicite:7]{index=7}

CSA Classification

The supplied ABB product details identify CSA File LR57114 for the two-pole TEY models. :contentReference[oaicite:8]{index=8}

Common Applications

Lighting Panelboards

Compatible lighting panelboards
Commercial electrical distribution
Industrial lighting distribution
Institutional electrical systems
Branch circuit protection

Maintenance & Replacement

Compatible TEY breaker replacement
Panelboard maintenance
Electrical distribution servicing
Approved bolt-on applications
Compatible lug-to-lug applications with appropriate accessories

Installation & Selection Considerations

Confirm the required ampere rating before ordering.
Verify that a two-pole TEY bolt-on breaker is compatible with the exact panelboard or electrical equipment.
Confirm system voltage before installation.
Verify that available fault current does not exceed the applicable interrupting rating.
Confirm conductor material and size.
Follow ABB terminal torque requirements.
Verify bolt-on mounting and bus compatibility.
Do not exceed the electrical ratings of the breaker or connected equipment.
Maintain applicable electrical working clearances.
De-energize equipment before installation or service.
Verify absence of voltage before working on electrical equipment.
Installation should be performed by qualified electrical personnel.
Follow current ABB instructions and applicable electrical codes.

Product Documents

Review the ABB combined TEY breaker product details for catalog-specific amperage, voltage ratings, interrupting ratings, trip configuration, conductor ranges, special markings, classifications, and manufacturer product information.

ABB Combined TEY Breaker Product Details PDF

Need Help Selecting a Circuit Breaker?

Our electrical and industrial product specialists can help review your panelboard, ampere rating, system voltage, available fault current, mounting configuration, conductor requirements, and breaker compatibility before you order.

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Frequently Asked Questions

How many poles do these breakers have?

All six breakers in this product group are two-pole TEY bolt-on circuit breakers.

What amperages are available?

Available ratings are 20A, 25A, 30A, 35A, 40A, and 50A.

What is TEY220?

TEY220 is the 20A two-pole bolt-on model.

What is TEY225?

TEY225 is the 25A two-pole bolt-on model.

What is TEY230?

TEY230 is the 30A two-pole bolt-on model.

What is TEY235?

TEY235 is the 35A two-pole bolt-on model.

What is TEY240?

TEY240 is the 40A two-pole bolt-on model.

What is TEY250?

TEY250 is the 50A two-pole bolt-on model.

What system voltages are listed?

ABB lists 120V AC, 120/240V AC, 240V AC, and 277V AC for these two-pole TEY breakers. :contentReference[oaicite:9]{index=9}

What is the interrupting rating?

The supplied ABB details list 65 kAIC at 120V AC, 120/240V AC, and 240V AC, and 14 kAIC at 277V AC. :contentReference[oaicite:10]{index=10}

Are these suitable for reverse feed?

Yes. ABB identifies the listed two-pole TEY breakers as suitable for reverse feed. :contentReference[oaicite:11]{index=11}

What trip style is used?

These breakers use a non-interchangeable LI trip configuration with fixed long-time and instantaneous functions.

Where can I review the exact ABB details?

The ABB Combined TEY Breaker Product Details PDF is linked in the Product Documents section above.

Important Ordering & Installation Notes

Product: 2-Pole Bolt-On Circuit Breaker.
TEY220: 20A.
TEY225: 25A.
TEY230: 30A.
TEY235: 35A.
TEY240: 40A.
TEY250: 50A.
Product line: ABB TEY / Q-Line.
Number of poles: 2.
Mounting: Bolt-On.
Trip style: Non-Interchangeable.
Trip function: LI.
System voltages: 120V AC, 120/240V AC, 240V AC, 277V AC.
120V AC interrupting rating: 65 kAIC.
120/240V AC interrupting rating: 65 kAIC.
240V AC interrupting rating: 65 kAIC.
277V AC interrupting rating: 14 kAIC.
Suitable for reverse feed: Yes.
Special markings: HACR, HID.
CSA File: LR57114.
Confirm exact equipment compatibility before ordering.
Verify conductor size, system voltage, and fault-current requirements before installation.
De-energize equipment before installation or service.
Installation should be performed by qualified electrical personnel.
Follow current ABB instructions and applicable electrical codes.