Schneider Electric BJA36020 | 20A 3-Pole PowerPacT B-Frame Circuit Breaker

Main Description:

The Schneider Electric BJA36020 is a compact, high-performance molded case circuit breaker from the PowerPacT B-Frame series. Designed with thermal-magnetic trip technology, it provides reliable 20A protection at 600Y/347VAC with a robust 25kA breaking capacity. Featuring dual-break rotating contacts and an integral push-to-trip button, the BJA36020 ensures enhanced short-circuit protection, reduced peak currents, and convenient manual operation. Ideal for distribution systems across commercial, industrial, and facility applications, this breaker delivers long-term reliability in a compact form factor.

Technical Overview:

• Manufacturer: Schneider Electric

• Part Number: BJA36020

• Product Range: PowerPacT

• Series / Frame: PowerPacT B-Frame

• Device Short Name: BJ 020

• Category: Circuit Breaker

• Subcategory: Molded Case Circuit Breaker

• Application: Distribution

• Poles: 3

• Amperage Rating: 20A

• Voltage Rating: 600Y/347VAC (Operational), 690V AC UL 489

• Network Frequency: 50/60 Hz

• Interrupting Rating: 25kA

• Breaking Capacity Code: J

• Impulse Withstand Voltage: 8 kV (IEC 60947-2)

• Insulation Voltage: 800 V (IEC 60947-2)

• Trip Unit Technology: Thermal-Magnetic

• Continuous Current Rating: 80%

• Isolation Capability: Yes (IEC 60947-2)

• Utilization Category: Category A

• Mechanical Durability: 20,000 cycles

• Electrical Durability: 10,000 cycles

• Mounting Mode: I-Line

• Electrical Connection: I-Line connection (line side)

• Control Type: Toggle

• AWG Compatibility: AWG 14 to AWG 2/0 (Cu/Al)

• Local Signaling: Auxiliary contact indicator (green flag)

• Dimensions (HxWxD): 5.39 in × 3.19 in × 3.50 in

• Mounting Height: 4.49 in

• Power Wire Strip Length: 0.79 in

• Color: Gray (RAL 7016)

• Net Weight: 2.90 lb (1.315 kg)

• Phase Connection: ABC

• Application Rating: HACR Rated

• Condition: New/Never Used Surplus

Key Features:

• Thermal-magnetic trip technology for precise and dependable overcurrent protection

• 25kA high fault-interrupting performance at 600Y/347VAC

• Dual-break rotating contacts minimize peak short-circuit currents

• Compact B-Frame construction suitable for dense installations

• Integral push-to-trip button for manual operation and testing

• I-Line mounting for secure, quick installation

• Long mechanical and electrical lifecycle for demanding environments