Square D HJA36015AABCSJ 36015A 3-Pole 600 V Circuit Breaker Potential Transformer

Introducing the Square D HJA36015AABCSJ 36015A 3-Pole 600 V Circuit Breaker — a rugged, three-phase protection solution designed for demanding industrial environments. Built to operate reliably in systems up to 600 V, this device protects your power distribution by quickly isolating faults and preventing damage to motors, transformers, and feeders. With its 3-pole configuration and the well-known Square D lineage, it integrates smoothly into existing panels and switchgear, delivering dependable performance where it matters most.

Why this circuit breaker stands out

• Three-pole design for balanced, synchronized protection across all three phases, preserving motor health and reducing nuisance trips in three-phase systems.
• 600 V maximum voltage rating, making it suitable for a wide range of industrial power networks and equipment protection scenarios.
• Part number reference: HJA36015AABCSJ, ensuring precise ordering and compatibility with Square D panels and associated protective infrastructure.
• Designed to work within protection schemes that utilize potential transformers for monitoring and metering, enabling accurate fault detection and diagnostic visibility in complex networks.
• Reliable, field-proven performance from a trusted brand in electrical protection, helping facilities maintain uptime and safer electrical operations.

Ideal applications

Perfect for three-phase distribution in manufacturing floors, data centers, large HVAC installations, and industrial facilities where robust overcurrent protection is essential. Whether you’re safeguarding feeders, distribution panels, or motor circuits, this Square D circuit breaker provides the dependable disconnection you need to minimize equipment downtime and improve safety.

Key specifications at a glance

• Current rating: 36015 A
• Poles: 3
• Voltage rating: 600 V
• Part number: HJA36015AABCSJ

Practical considerations and tips

When integrating the HJA36015AABCSJ into your electrical room, verify compatibility with your existing Square D panel or switchgear ecosystem, ensure correct mounting and alignment with bus bars, and follow standard commissioning procedures to confirm proper trip and clearance performance. This breaker is a purpose-built component for three-phase protection, so use it in applications where all three phases require simultaneous disconnection to protect motors and feeders effectively.