Square D HJA261002 I-Line Molded Case Circuit Breaker — 100A, 2-Pole, 600V

Square D HJA261002 — 100 Amp, 2-Pole, 600V I-Line Molded Case Circuit Breaker

The Square D HJA261002 is a heavy-duty, 2-pole thermal-magnetic molded case circuit breaker engineered for industrial and commercial power distribution systems. Designed for I-Line style plug-in panelboards, it offers fast, tool-free installation with reliable overcurrent protection in demanding environments.

What Is the Square D HJA261002?

The HJA261002 is part of Square D's HJA Series of I-Line molded case circuit breakers. It features a thermal-magnetic trip mechanism that provides both long-time (overload) and instantaneous (short-circuit) protection, making it suitable for branch circuit and feeder protection in facilities that use Square D I-Line panelboards.

Key Electrical Specifications

• Ampere Rating: 100A
• Number of Poles: 2
• Voltage Rating: 600VAC / 250VDC
• Interrupting Rating: 25kAIC at 600VAC
• Trip Type: Thermal-Magnetic (Long-Time + Instantaneous)
• Mounting Style: I-Line Plug-In (Panel Mount)
• Series: HJA
• Manufacturer: Square D (Schneider Electric)
• Part Number: HJA261002
• Condition: New

Why Choose the I-Line Plug-In Design?

The I-Line plug-in system allows circuit breakers to be installed and removed quickly without rewiring — reducing downtime during maintenance and panel upgrades. The HJA261002 snaps directly into compatible Square D I-Line panelboards, ensuring a secure mechanical and electrical connection every time.

Typical Applications

• Industrial power distribution panels
• Commercial electrical switchgear and panelboards
• Motor branch circuit protection
• Feeder circuit protection up to 600VAC
• Retrofit and replacement in existing Square D I-Line systems

Compatibility

The HJA261002 is designed to be compatible with Square D I-Line style panelboards and switchboards that accept plug-in style breakers. Always verify your panelboard specifications before installation to ensure correct fit and ampere frame compatibility.

About Square D (Schneider Electric)

Square D, a brand of Schneider Electric, is one of the most trusted names in electrical distribution. Their molded case circuit breakers are manufactured to meet or exceed UL 489, CSA C22.2 No. 5, and other applicable standards, ensuring performance and safety in critical power systems.

Need help selecting the right circuit breaker for your panel? Contact our team at Alpha Brokers & Controls — we specialize in industrial electrical components and can help you find the exact part you need.