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- In Stock: 2
- Manufacturer: APC
- Model or Part: PD3P125AT3B
- Condition: Refurbished
- Weight: 22.00lb
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Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
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Overview
The APC PD3P125AT3B Breaker T3 3p 125A Aux is a high performance auxiliary circuit breaker designed for demanding industrial and commercial power distribution systems. Engineered to provide reliable protection and precise control, this three-pole breaker delivers a continuous rating of 125 amps while meeting the rigorous standards of the T3 series. Its compact footprint and robust construction make it an ideal choice for panels where space is at a premium but safety and durability cannot be compromised.
Key Features
- Three-pole design for balanced three phase protection
- Continuous current rating of 125A
- Auxiliary breaker type suitable for integration with motor starters, transformers and control circuits
- High breaking capacity ensures safe interruption of fault currents
- Adjustable trip settings for customized protection curves
- Compact panel mounting dimensions reduce space requirements
- Compatible with standard APC panel boards and accessories
Technical Specifications
- Manufacturer: APC
- Model/Part Number: PD3P125AT3B
- Series: Breaker T3
- Poles: 3
- Rated Current: 125A
- Voltage Rating: 600V AC
- Breaking Capacity: 10kA (symmetrical)
- Trip Unit: Adjustable thermal magnetic
- Mounting Type: Panel mount
- Operating Temperature Range: -40 to 85 deg C
- Standards: IEC 60947-2, UL 489
Applications
The PD3P125AT3B is suited for a wide range of applications where reliable auxiliary protection is essential. Typical uses include:
- Motor control centers and starter circuits
- Transformer auxiliary protection
- Industrial automation panels
- HVAC and building management systems
- Power distribution in manufacturing facilities
- Commercial lighting and control panels
By delivering precise fault interruption and flexible trip adjustment, this breaker helps maintain system uptime, protect valuable equipment, and ensure compliance with safety regulations.