Square D HDA36150SV 150A 3-Pole 600 V Circuit Breaker

Meet the Square D HDA36150SV 150A 3-Pole 600 V Circuit Breaker — a robust protection solution engineered for demanding three-phase electrical systems. With a 150 A current rating and a 600 V maximum, this breaker is designed to reliably interrupt fault currents and safeguard feeders, motors, and up-stream equipment in commercial and light industrial environments.

Specifications at a glance

• Part Number: HDA36150SV
• Current rating: 150 A
• Poles: 3
• Voltage rating: 600 V

Why this 3-pole design matters

• Three-phase protection: The 3-pole configuration provides coordinated protection across all phases, helping prevent unbalanced faults that can damage motors and transformers.
• Consistent interruption: By covering all three conductors, it minimizes the risk of stray faults propagating through a single leg, contributing to safer, more reliable operation.
• Clear compatibility with 3-phase systems: Ideal for distribution panels and feeders that require solid, three-phase overcurrent protection.

Key benefits for real-world use

• Protects critical equipment from overcurrent events in commercial spaces, manufacturing floors, and service installations.
• Helps reduce downtime by interrupting faults before damage spreads to motors, drives, or other devices.
• Simple, straightforward replacement in compatible Square D panels, facilitating maintenance and scalability of electrical systems.

Use cases and recommendations

• Industrial motor circuits requiring reliable 150 A protection on a three-phase supply.
• feeders and distribution panels in commercial facilities where a 600 V rating aligns with system requirements.
• Upgrade paths for existing three-pole installations that demand consistent trip performance and easy field replacement.

Installation and compatibility notes

• Verify that the panel or enclosure is designed for Square D HDA-series breakers and supports a 3-pole 150 A, 600 V configuration.
• Consult your panel’s labeling to confirm the correct interrupting capacity and compatible trip characteristics for your specific load profile.
• Follow standard electrical practices for safe installation, including proper torque on terminals and adherence to local electrical codes.