Description
The Square D BDA24030Y2 is a 2-pole molded case circuit breaker designed to provide dependable overcurrent protection in 480Y/277VAC systems. With a 30A rating and an 18kA interrupting capacity at 480V, it supports industrial and commercial loads requiring stable performance. This unit features an I-Line plug-in connection and dual-function thermal magnetic tripping for accurate response under varying fault conditions.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Breaker |
| Part Number |
BDA24030Y2 |
| Subcategory |
Molded Case |
| Series |
PowerPact B |
| Amperage |
30A |
| Poles |
2 |
| Voltage Rating |
480Y/277VAC |
| Interrupting Rating |
18kAIC @ 480V |
| Trip Unit |
Thermal-Magnetic |
| Continuous Current Rating |
80% |
| Connection Type |
I-Line plug-in (line), load-side lugs |
| Wire Range |
AWG 14 to AWG 2/0 (Cu/Al) |
| Actuator Type |
Toggle |
| Certifications |
UL, CSA, CE, NEMA, IEC, NOM, CCC, EAC, RoHS |
| Impulse Withstand Voltage |
8 kV |
| Insulation Voltage |
800V (IEC) |
| Mechanical Durability |
20,000 cycles |
| Electrical Durability |
10,000 cycles @ 440V |
| Operating Temperature |
–25°C to 70°C |
| Mounting Mode |
I-Line |
| Dimensions |
2.12 in × 5.39 in × 3.5 in |
| Country of Origin |
Mexico |
| Weight |
2.1 lb |
Information About BDA24030Y2
The BDA24030Y2 is part of the PowerPact B-Frame series, designed to offer compact molded case construction with versatile mounting and connection options. It features an I-Line line-side interface combined with load-side mechanical lugs, enabling integration into standard distribution equipment. Built with thermal-magnetic trip technology, it provides long-time overload protection and instantaneous short-circuit response for reliable system operation. The breaker carries UL, CSA, CE, IEC, and other international certifications, supporting broad compatibility across regulated electrical installations.
Key Features:
- 30A Rating: Supports light to medium-duty distribution circuits operating at 480Y/277VAC.
- Thermal-Magnetic Tripping: Provides coordinated long-time overload and instantaneous short-circuit protection.
- 18kA Interrupting Capacity: Handles moderate fault energy levels across common industrial power systems.
- I-Line Plug-In Connection: Enables fast, secure installation on I-Line bus structures.
- Dual-Termination Design: Uses I-Line for the line side and mechanical lugs on the load side for flexible wiring options.
- Wide Wire Range: Accepts AWG 14 to AWG 2/0 copper or aluminum conductors.
- High Durability: Rated for 20,000 mechanical cycles and 10,000 electrical cycles under IEC standards.
- Environmental Robustness: Operates reliably from –25°C to 70°C and meets IP40 front-protection requirements.
The BDA24030Y2 delivers the reliability and precision required for molded case circuit protection in commercial and industrial power distribution systems.
