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ABB A2A125TL-2 Molded Case Circuit Breaker

  • 125A
  • 2 Pole
  • Unit Mount
ABB A2A125TL-2
Molded Case Circuit Breaker
Brand ABB
SKU A2A125TL-2
Select Item Condition
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  • 125A
  • 2 Pole
  • Unit Mount

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ABB A2A125TL-2 - 125A 2 Pole Molded Case Circuit Breaker

ABB A2A125TL-2 - 125A 2 Pole Molded Case Circuit Breaker

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$464.00 In Stock

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Description

Rated for 125A, the A2A125TL-2 is a 2-pole molded case circuit breaker from ABB's Formula A2 frame family. It delivers reliable thermal-magnetic overcurrent protection for 240VAC and 250VDC systems with a 10 kAIC interrupting capacity. This unit mount breaker installs into ReliaGear panelboards, DIN rail configurations, and OEM enclosures. It also functions as a functional replacement for discontinued TQD22125 breakers, though physical dimensions differ. Factory-installed lugs are included.

Specifications

Key specifications
Brand ABB
Series Formula
Amperage 125A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 250VDC
Phase 1
AIC Rating 10kA @ 240VAC, 10kA @ 250VDC
Fit and installation
Frame Type A2A
Terminal Type Lugs
For Use With ABB Formula Panelboards, ReliaGear Panelboards, OEM Enclosures, DIN Rail
Wire Gauge 1 AWG - 250 kcmil (Cu/Al)
Max Wire 250 kcmil
Min Wire 1 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment, Terminal Shields
Accessories Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CSA, IEC, UL, cULus
Temp Rating -25C to 70C
Construction Features HACR Rated, Reverse Feed

Product FAQs

6 answers
What panelboards are compatible with the ABB A2A125TL-2 circuit breaker?

This breaker is designed for integration into ABB Formula and ReliaGear panelboards. It can also be utilized in custom OEM enclosures or DIN rail setups for control panels.

Can the ABB A2A125TL-2 replace older GE TQD breakers?

Yes, the A2A125TL-2 serves as a functional replacement for the discontinued GE TQD22125 circuit breaker. Note that the physical dimensions differ between the two frames, so verify your mounting space before installation.

Does the A2A125TL-2 breaker require separate lug kits for installation?

No, this unit mount breaker includes factory-installed lugs ready to accept 1 AWG to 250 kcmil copper or aluminum conductors.

Can the ABB A2A125TL-2 be mounted on a DIN rail?

Yes, while it is a unit mount breaker, the Formula A2 frame is compatible with DIN rail mounting configurations for industrial control panels and OEM enclosures.

Is the thermal-magnetic trip unit on the A2A125TL-2 adjustable?

No, this breaker features fixed thermal (long-time) and fixed magnetic (instantaneous) trip functions. It does not offer adjustable trip settings for field calibration.

What type of fault protection does the A2A125TL-2 provide?

Equipped with a thermal-magnetic trip unit, this breaker provides both long-time overload protection and instantaneous short-circuit protection for commercial and industrial systems.

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