ABB - Electrification TEY225ST12 - The TEY is a one-inch wide per pole, compact, "bolt-on" circuit breaker for use on grounded 480Y/277 Vac systems. The bolt-on mounting base accessory makes the TEY suitable for varied applications as a lug-lug breaker. All TEY circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy to spot trip indication to ensure safety and reliability. TEY breakers are available in 1, 2, and 3 pole versions and can be ordered with auxiliary contact and shunt trip accessories. MCCB 2P 25A W/120-277VAC SHUNT TRIP
ABB - Electrification

TEY225ST12

UPC: 783164403367

Contact for Pricing

Overview

The ABB TEY225ST12 is a 2-pole, 25A molded case circuit breaker (MCCB) designed for grounded 480Y/277 Vac systems. This compact breaker, measuring one-inch wide per pole, is part of ABB's TEY family, known for its reliability and space-saving design. The integrated bolt-on mounting base accessory (TEY3B) makes the TEY225ST12 suitable for lug-lug connections in panelboards and switchgear, including ABB A-Series lighting panelboards. This specific model features a 120-277Vac shunt trip accessory for remote circuit interruption, enhancing operational flexibility in industrial and commercial applications. Key operational features include Quick-make/Quick-break mechanisms for safe and reliable operation under fault conditions, common trip bars for simultaneous pole disconnection, and an easily visible trip indication for rapid diagnostics. The TEY225ST12 has a short circuit rating of 14kA at 480/277 Vac. It is UL listed for HACR (Heating, Air Conditioning, Refrigeration) and HID (high intensity discharge) applications (50A or less). The TEY series breakers are available in 1, 2, and 3-pole versions and can be ordered with auxiliary contact and shunt trip accessories. The TEY225ST12 is manufactured in the US.
  • 2-pole, 25A Molded Case Circuit Breaker (MCCB)
  • Designed for grounded 480Y/277 Vac systems
  • Compact, one-inch wide per pole design
  • Includes 120-277Vac shunt trip accessory for remote operation
  • Bolt-on mounting base for lug-lug connections
  • 14kA interrupting rating at 480/277 Vac
  • UL listed for HACR and HID applications

Specifications

Amperage Rating
25A
Application
Thermal Magnetic
Connection
14-8 kcmil / 12-8 kcmil
Connection Type
Lug-lug
Current Rating
25 A
Frame
TEY
Frequency
60 Hz
Interrupt Rating
14kA@277 Vac / 65kA@120 Vac / 65kA@120/240 Vac / 65kA@240 Vac
Load Rating
HACR / HID
Material
Molded Case
Mounting Type
Bolt-On
Number Of Poles
2
Poles
2P
Series
TEY
Size
1 inch per pole
Special Features
The TEY is a one-inch wide per pole, compact, "bolt-on" circuit breaker for use on grounded 480Y/277 Vac systems. The bolt-on mounting base accessory makes the TEY suitable for varied applications as a lug-lug breaker. All TEY circuit breakers feature Quick-make / Quick-break mechanisms, common trip bars, and easy to spot trip indication to ensure safety and reliability. TEY breakers are available in 1, 2, and 3 pole versions and can be ordered with auxiliary contact and shunt trip accessories. MCCB 2P 25A W/120-277VAC SHUNT TRIP
Standard
E11592
Trip Range
Non-Interchangeable
Trip Range, Maximum
Non-Interchangeable
Trip Range, Minimum
Non-Interchangeable
Trip Type
LI
Voltage Rating
480Y/277 VAC
Package Dimensions (L x W x H)
4 IN x 2 IN x 5.25 IN
Package Dimensions (L x W x H)
10.16 cm x 5.08 cm x 13.335 cm
Package Weight (Imperial)
1.400 L
Package Weight (Metric)
0.635 kg
Ground Lug

DNGL

Ground Lug
COVER,SET,AP-400,MC-265a~400a

64611614007

COVER,SET,AP-400,MC-265a~400a
INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M

83411621001

INTERLOCK UNIT,AR-12M(SEPERATE),GMC(D)-6~16M
JB5-2 2 POLE JUMPER 5.2MM SPACING

1SNK905302R0000

JB5-2 2 POLE JUMPER 5.2MM SPACING
JB5-5 5 POLE JUMPER 5.2MM SPACING

1SNK905305R0000

JB5-5 5 POLE JUMPER 5.2MM SPACING
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

Frequently Asked Questions

Is the TEY225ST12 compatible with 277V AC systems?

Yes, the TEY225ST12 is designed for grounded 480Y/277V AC systems.

What is the width of the TEY225ST12 per pole?

The TEY225ST12 is one inch wide per pole, making it compact for panelboard applications.

What is the interrupting rating of the TEY225ST12?

The TEY225ST12 has an interrupting rating of 14kA at 480/277V AC.

What is the mounting type for the TEY225ST12?

The TEY225ST12 uses a bolt-on mounting base for lug-lug configurations.

What wire range does the TEY225ST12 support?

The TEY225ST12 supports wire sizes from #10 to #4 AWG.

Does the TEY225ST12 include a trip indicator?

Yes, the TEY225ST12 features an easy-to-spot trip indicator for quick diagnostics.

Can the TEY225ST12 be used with auxiliary contacts?

Yes, the TEY225ST12 can be ordered with auxiliary contact accessories for enhanced monitoring.

Is the TEY225ST12 UL listed for specific applications?

Yes, the TEY225ST12 is UL listed for HACR (Heating, Air Conditioning, Refrigeration) and HID (High-Intensity Discharge) applications.

Frequently Asked Questions about ABB - Electrification

What industries and applications are Jokab Safety products used for?

Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.

What technical support does Jokab Safety offer?

Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.

What are the main product lines offered by Jokab Safety?

Jokab Safety offers a comprehensive range of machine safety products including safety light guards (Orion), safety controllers (Pluto), safety relays (Sentry), safety edges, safety contact mats, safety locks (Gkey), and safety sensors with OSSD and DYNlink interfaces. Their product lines are specifically designed for industrial applications in food and beverage, packaging, and material handling industries, providing robust safety solutions for machine guarding and personnel protection.

What are the key features of Jokab Safety products?

Jokab Safety products offer comprehensive industrial safety solutions with key features including: highest safety certification levels (up to PL e/Cat 4), extensive fault detection, multiple safety device types (optical safety devices, pressure sensitive devices, sensors, switches, locks, emergency stops), and innovative DYNlink technology that reduces cable requirements and simplifies installation. Their products are certified, verified, and compatible with major industrial automation systems like B&R, featuring easy M12 connector connections and a wide range of adapters to streamline safety implementation.

What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Electrification products used for?

ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

What technical support does ABB - Electrification offer?

ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

What communication protocols do ABB - Electrification products support?

ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.