Square D BJA PowerPacT B I-Line 3-Pole Thermal Magnetic Circuit Breaker, 347VAC

Square D BJA PowerPacT B I-Line 3-Pole Thermal Magnetic Circuit Breaker, 347VAC

The Square D BJA PowerPacT B I-Line 3-Pole Thermal Magnetic Circuit Breaker delivers compact thermal-mechanical circuit protection for commercial and industrial distribution. Rated 0Y/347VAC with Ue 690 V AC 50/60 Hz per UL 489, this PowerPacT B-Frame breaker uses I-Line connection and supports a wide range of accessories, auxiliaries, and lug connections. This family is available across Motor FLA ratings from 15A through 125A (15A, 20A, 25A, 30A, 40A, 50A, 60A, 70A, 80A, 90A, 100A, 110A, 125A), letting panel builders select the exact motor overload protection point their circuit requires while relying on the same 3-pole, I-Line, thermal magnetic platform. It is HACR rated for demanding, code-compliant protection.

Key Features

• 3-Pole Configuration: Poles Description 3P for multi-phase circuit protection.
• I-Line Connection: Lugs on the load side, I-Line connection on the line side for fast panelboard mounting.
• Thermal Magnetic Protection: Thermal-mechanical protection in the compact PowerPacT B-Frame.
• Motor FLA Range: Available in 15A, 20A, 25A, 30A, 40A, 50A, 60A, 70A, 80A, 90A, 100A, 110A, and 125A options to match motor full-load amperage requirements.
• Voltage Rating: 0Y/347VAC, Ue 690 V AC 50/60 Hz (UL 489), Ui 800 V (IEC 60947-2), Uimp 8 kV (IEC 60947-2).
• Breaking Capacity: Ics 100 kA at 220...240 V AC and 25 kA at 500...525 V AC, 50/60 Hz (IEC 60947-2).
• HACR Rated: Suitable for heating, air-conditioning, and refrigeration equipment circuits.
• Durability: Mechanical durability 20000 cycles; electrical durability 10000 cycles at 440 V (IEC 947-1 Annex K).
• Wire Range: AWG 14...AWG 2/0 aluminum/copper; torque 3.6-4.4 N.m (AWG 14...10) and 5-6.2 N.m (AWG 8...2/0).

Certifications & Compliance

• UL 489
• CSA C22.2 No 5
• NMX J-266
• NEMA AB1
• EN/IEC 60947-2
• EN/IEC 60947-5-1
• GB 14048.2
• Certifications: NOM, CSA, EAC, UL, IEC, CCC
• Front cover IP40 (IEC 60529)
• Suitable for isolation per IEC 60947-2

Technical Specifications

• Sustainable Packaging: Yes
• Recycled Metal Content At Cr Level: 0 %
• Poles Description: 3P
• Serviceability: No
• With Recycled Cardboard: Yes
• 9 MM Pitches: 9
• China ROHS In Scope: No
• Tier: 1
• Legacy WEEE Scope: In
• Packaging Made With Recycled Cardboard: Yes
• Removable Battery: NO
• Without Single Use Plastic: Yes
• ROHS Exemption Information: Yes
• Quality Labels: CE
• WEEE Product Category: 4
• Reach Full Compliance Status Id: CONTAINS_SVHC
• Mercury Free: Yes
• ROHS Eur Full Compliance Status Id: COMPLIANT_WITH_EXEMPTIONS
• Packaging Without Single Use Plastic: Yes
• Tier Id: 1
• ROHS Eur In Scope: Yes
• Environmental Disclosure: ENVPEP2311047_V2

Typical Applications

• Commercial and Industrial Electrical Distribution
• I-Line Panelboard Installations
• HACR Equipment Circuits
• Motor and Feeder Protection
• Renovation and New Construction Panelboards

Why Square D?

Square D engineers the PowerPacT B-Frame to meet UL 489, CSA C22.2 No 5, and EN/IEC 60947-2 standards, giving contractors and panel builders dependable, code-compliant circuit protection across the full Motor FLA lineup. With Green Premium status, halogen-free construction, and RoHS-compliant materials, this breaker family supports sustainable, reliable electrical installations.