Square D BDA34030Y PowerPact B Circuit Breaker – 3 Pole – 30A – Thermal Magnetic – I-Line – 480V Class

The Square D BDA34030Y is a PowerPact B-frame molded case circuit breaker manufactured by Schneider Electric, designed for reliable overcurrent protection in commercial and industrial three-phase power distribution systems. This 3-pole, 30A breaker provides thermal-magnetic (LI) protection, delivering dependable Long-Time and Instantaneous tripping for overload and short-circuit conditions.

Engineered for Square D I-Line panelboards and switchboards, the BDA34030Y features a plug-on I-Line mounting system for fast installation and easy replacement in existing electrical infrastructure. It includes dual-break rotating contacts to reduce peak fault current and an integrated push-to-trip button for manual operation testing. The breaker is configured with ABC phase alignment and is rated for 480V-class systems.

Specifications

• Brand: Square D
• Manufacturer: Schneider Electric / Square D
• Series: PowerPact B (B-Frame)
• Part Number: BDA34030Y
• Type: Molded Case Circuit Breaker (MCCB)
• Poles: 3
• Amperage Rating: 30A
• Phase: 3 Phase
• Voltage Rating: 480V Class (480Y/277VAC)
• Mounting Style: I-Line Plug-In
• Terminal Type: Line I-Line / Load Lugs

Electrical Ratings

• Interrupting Capacity (AIC):
  • 18kA @ 480Y/277VAC
• Protection Type: Thermal Magnetic
• Trip Functions: Long-Time and Instantaneous (LI)
• Continuous Current Rating: 80% Rated

Connection Details

• Line Side: I-Line Plug-On Jaw
• Load Side: Mechanical Lugs
• Phase Connection: ABC

Construction Features

• Compact PowerPact B-frame design
• Dual-break rotating contact system
• Current-limiting performance
• Integrated push-to-trip test button
• Shrouded I-Line plug-on connection
• Fixed thermal and magnetic trip elements

Dimensions & Weight

• Height: 5.39 in
• Width: 3.19 in
• Depth: 3.50 in
• Weight: 2.9 lb

Applications

• Commercial electrical distribution systems
• Industrial three-phase power panels
• Square D I-Line panelboards and switchboards
• Motor branch circuit protection
• HVAC and mechanical systems
• OEM electrical equipment

Standards & Approvals

• UL Listed
• CSA Certified
• IEC Compliant
• NOM Certified
• CE Marked

Returns are easy

You may return items within 30 days of delivery for a refund.

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