Square D HLA36070SK 70A 600 V Circuit Breaker

The Square D HLA36070SK 70A 600V Circuit Breaker is a purpose-built overcurrent protection device designed to safeguard your electrical distribution. With a 70-amp current rating and a 600-volt maximum, it provides reliable protection for feeders and branch circuits in commercial and industrial panel setups. This is the exact part number HLA36070SK from Square D, ensuring a precise fit and dependable performance in compatible Square D installations.

• Brand: Square D
• Part Number: HLA36070SK
• Current Rating: 70 A
• Voltage Rating: 600 V

Why this breaker stands out

Designed to deliver consistent protection, the HLA36070SK sits at the intersection of reliability and compatibility. Its Square D designation means it’s built to integrate smoothly with your Square D panels and equipment, reducing the risk of fit issues or compatibility gaps that can occur with generic substitutes. With a dedicated 70 A capacity, it helps prevent wire insulation damage and equipment failure by tripping promptly when overloads or faults occur in circuits designed to carry higher loads.

Ideal use cases

• Feeder protection for commercial or light industrial panels where circuits are configured near the 70 A range
• Branch circuit protection for subpanels that require a reliable 70 A safety point
• Replacement part for established Square D installations, maintaining system consistency and performance

Installation and safety considerations

• Ensure the breaker is used in compatible Square D panels and assemblies to maintain proper electrical fit and performance
• Follow all standard electrical safety procedures when replacing or installing breakers, including de-energizing the panel and verifying proper torque and connection integrity
• Label circuits clearly after installation to reflect the 70 A protection level and 600 V maximum rating

Practical tips and insights

If you’re upgrading or replacing, verify that the surrounding panel gear supports a 70 A, 600 V device and that the trip characteristics align with your circuit design. This part is a straightforward, exact-match replacement for existing HLA36070SK installations, helping to minimize downtime and compatibility concerns. For facilities managers, keeping a spare HLA36070SK on hand can shorten service outages and keep critical circuits protected without delay.

Equip your Square D system with the HLA36070SK to ensure robust, immediate protection against overcurrent conditions. The combination of a clear 70 A rating and a 600 V ceiling makes it a practical choice for mid-range, high-demand electrical layouts that prioritize safety and reliability.