Description
The Square D BJA160203 is a 1-pole, 20-amp molded case circuit breaker designed for efficient and dependable circuit protection in industrial and commercial electrical systems. Rated for 600V AC and featuring a 100kA interrupting capacity at 240V, this breaker provides strong overload and short-circuit protection. Manufactured by Square D by Schneider Electric, the BJA160203 offers reliable thermal magnetic performance and easy installation via an I-Line style plug-in connection.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D by Schneider Electric |
| Category |
Circuit Protection |
| Part Number |
BJA160203 |
| Subcategory |
Molded Case Circuit Breaker |
| Series |
PowerPact B-Frame |
| Amperage Rating |
20 Amps |
| Voltage Rating |
600V AC |
| Poles |
1 |
| Phase |
Single Phase |
| Interrupting Capacity |
100kA @ 240V AC |
| Trip Type |
Thermal Magnetic |
| Trip Functions |
Long Time and Instantaneous |
| Connection Type |
I-Line Style Plug-In |
| Terminal Connection |
I-Line (line side) and Lug (load side) |
| Frame Size |
J (125A/B Frame) |
| Temperature Rating |
-25°C to 70°C (-13°F to 158°F) |
| Min. Wire Size |
14 AWG (Cu/Al) |
| Max. Wire Size |
2/0 AWG (Cu/Al) |
| Compliance Standards |
UL, IEC, CCC, EAC, CSA, NOM |
| Country of Origin |
Mexico |
| Dimensions (H × W × D) |
5.39 in × 1.06 in × 3.5 in |
| Color |
Gray |
| Weight |
1 lb |
Information About BJA160203
The BJA160203 is part of the Square D PowerPact B-Frame series, known for its compact design, high-performance protection, and robust construction. This molded case circuit breaker features thermal magnetic trip technology that provides both long-time and instantaneous circuit interruption for maximum equipment safety. Designed for plug-in installation, the I-Line connection system ensures secure, tool-free mounting in panelboard and switchboard configurations. Fully compliant with UL, IEC, CCC, EAC, CSA, and NOM standards, the BJA160203 is ideal for HACR-rated and general distribution applications across industrial and commercial environments.
Key Features:
- Rated Current: Supports 20A continuous operation for consistent power delivery.
- Voltage Rating: Operates at up to 600V AC for industrial-grade applications.
- Interrupting Capacity: 100kA at 240V AC, ensuring reliable fault protection.
- Trip Type: Thermal magnetic protection with long-time and instantaneous trip functions.
- Connection Type: I-Line style plug-in connection for quick installation and maintenance.
- Frame Design: Compact J-frame (PowerPact B) with durable molded construction.
- Temperature Range: Operates reliably from -25°C to 70°C (-13°F to 158°F).
- Compliance: Meets UL, IEC, CCC, EAC, CSA, and NOM safety certifications.
The BJA160203 delivers the reliability and precision required for industrial and commercial electrical protection systems.
