Square D HGA36070SP 70A 600 V Circuit Breaker

The Square D HGA36070SP is a purpose-built 70 A, 600 V circuit breaker designed to safeguard electrical circuits in commercial and industrial environments. As part of the trusted Square D lineage, this device delivers dependable protection for distribution panels, control cabinets, and equipment racks where reliability and space efficiency matter.

Key specifications

• Current rating: 70 A
• Voltage rating: 600 V
• Part number: HGA36070SP

What makes it unique

• Designed specifically for Square D HGA-series panels and enclosures, ensuring a compatible mounting footprint and straightforward replacement.
• Provides clear, predictable protection for circuits operating up to 600 V, helping minimize nuisance trips while responding to genuine faults.
• Durable construction built to withstand routine switching and environmental conditions common in commercial and light industrial settings.
• Identifiable part number and simple sourcing streamline maintenance and future replacements, reducing downtime during service work.

Ideal use cases

• Replacing a failed breaker in existing Square D panels or control cabinets that use HGA-series devices.
• Protecting a dedicated 70 A circuit in distribution boards serving motors, power feeds, or heavy equipment in warehouses, manufacturing floors, or utility rooms.
• Upgrading electrical systems that require a 600 V rating for safety and compliance in commercial installations.

Installation and safety

• Installation should be performed by a qualified electrician in accordance with all local electrical codes and the panel’s labeling.
• Verify panel compatibility with the HGA36070SP part before replacement, and follow proper de-energization procedures during work.
• Handle and mount the breaker according to the manufacturer’s instructions to ensure reliable operation and accurate fault interruption.

Performance and longevity

The HGA36070SP is built to reliably interrupt fault currents and protect circuits up to 600 V in demanding environments. Its robust design supports long service lifetimes in daily switching tasks and fault conditions, helping to safeguard both people and equipment while reducing downtime from electrical faults.

Availability and compatibility

Part of Square D’s HGA family, the HGA36070SP is a precise fit for systems designed around this series. When selecting a replacement, confirm the panel’s compatibility with HGA-style breakers to ensure proper mechanical fit and electrical performance.