APC 3-Pole 300A Circuit Breaker, T5 Type for Symmetra PX250/500kW

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APCSKU: PD3P300AT5B
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Description

The APC PD3P300AT5B 3-Pole Circuit Breaker (T5 Type) delivers robust protection and modular scalability for your Symmetra PX250/500kW power systems. Designed to manage high-capacity data center loads, this 300A breaker supports both 400V and 480V 3-phase power configurations. With CE and UL certifications, it ensures compliance and safety in demanding environments. The unit comes with a comprehensive installation guide and is backed by APC’s industry-leading warranty. Ideal for IT professionals scaling mission-critical infrastructure.

Category Details
Manufacturer APC by Schneider Electric
Part Number PD3P300AT5B
Product Type 3-Pole Circuit Breaker (T5 Type)
Application For Symmetra PX250/500kW
Input Voltage 400V / 480V 3-Phase
Input Frequency 50/60 Hz
Output Voltage 400V / 480V 3-Phase
Max Line Current 300 A
Output Connector Type Hard Wire 3-wire (H N + E)
Mounting Mode Not rack-mountable
Mounting Location Front
Certifications CE, UL Listed
Ambient Operating Temp 32 to 104 °F (0 to 40 °C)
Storage Temp 5 to 104 °F (-15 to 40 °C)
Included Accessories Installation guide
Dimensions (H x W x D) 17.01 x 22.01 x 21.50 in (43.2 x 55.9 x 54.6 cm)
Weight (Net) 15.12 lb (6.86 kg)
Warranty 1 Year Repair or Replace

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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