Description
The Square D BDA34020Y is a 3-pole molded case circuit breaker designed for reliable overcurrent protection in three-phase power distribution systems. Rated at 20 amps and 480Y/277VAC, this breaker features I-Line plug-in installation and thermal-magnetic protection for dependable performance in commercial and industrial applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Molded Case Circuit Breaker |
| Part Number |
BDA34020Y |
| Subcategory |
3-Pole |
| Series |
PowerPacT BDA |
| Frame Type |
B Frame |
| Circuit Breaker Type |
Standard Molded Case |
| Amperage |
20 Amp |
| Voltage Rating |
480Y/277 VAC |
| Poles |
3 |
| Phase |
3 |
| Mounting Type |
I-Line |
| Connection Type |
I-Line Style Plug-In |
| Interrupting Rating |
18kA at 480Y/277VAC |
| Protection Type |
Thermal Magnetic |
| Trip Functions |
LI – Long-Time and Instantaneous |
| Terminal Connection |
Line and Load Lugs |
| Wire Gauge |
AWG 14 to AWG 2/0 Aluminum/Copper |
| Actuator Type |
Toggle |
| Color |
Gray |
| Temperature Rating |
-13°F to 158°F |
| Standards & Approvals |
UL 489, CE, CSA, NEMA, IEC, EN, NOM, CCC, EAC, RoHS |
| Dimensions (HxWxD) |
5.39 in x 3.19 in x 3.50 in |
| Weight |
2.9 lbs |
Information About BDA34020Y
The BDA34020Y is part of the Square D PowerPacT BDA series, engineered for compact, high-performance circuit protection within I-Line panelboards and switchgear. Built on a B-frame design, it supports three-phase electrical systems and offers long-time and instantaneous trip functions for effective overload and short-circuit protection. This breaker accommodates a wide range of aluminum and copper conductors through line and load lug connections. Its broad international certifications make it suitable for use in global industrial environments.
Key Features:
- 20 Amp Current Rating: Designed for precise protection of low-current branch circuits.
- 3-Pole Configuration: Supports balanced three-phase electrical systems.
- 480Y/277VAC Voltage Rating: Suitable for commercial and industrial power distribution.
- Thermal-Magnetic Protection: Provides reliable overload and short-circuit response.
- LI Trip Functions: Long-time and instantaneous protection enhances system safety.
- I-Line Plug-In Connection: Enables fast installation and simplified maintenance.
- High Interrupting Capacity: Rated up to 25kA at 277/480VAC for fault protection.
The BDA34020Y delivers the reliability and precision required for three-phase PowerPacT panelboard and switchgear applications.
