Square D | HLP36070 | Circuit Breaker | 70A | 3-Pole | 600V | Bolt-On

Meet the Square D HLP36070 circuit breaker—a precision-engineered protection device for commercial and industrial power systems. This 70A, 3-pole, 600V bolt-on breaker is designed for maintenance, retrofit, and replacement projects where exact specifications and reliable performance matter.

Key specifications at a glance

• Amperage: 70A
• Poles: 3-Pole
• Voltage rating: 600V
• Mounting: Bolt-On
• Part reference: HLP36070

Why this breaker stands out

This is not a generic replacement. The HLP36070 is a genuine Square D circuit breaker that aligns with your existing panel infrastructure, delivering a secure bolt-on mounting and dependable trip performance for three-phase circuits up to 600 volts. By using the exact part number as your compatibility reference, you minimize guesswork and downtime during maintenance or retrofits.

Ideal use cases

• Maintenance and replacement of aging or failed 3-phase protection in industrial panels
• Retrofits that require precise 70A, 3-pole, 600V specifications
• Upgrading older equipment to a reliable, field-serviceable protection solution

Use cases and benefits in practical terms

For facilities running three-phase equipment—motors, pumps, conveyors, and HVAC systems—this 70A, 3-pole breaker provides balanced protection across all phases. The bolt-on design supports sturdy, vibration-resistant mounting in standard panelboards, helping to reduce nuisance trips and improve fault isolation during abnormal electrical events. Its 600V rating ensures compatibility with medium-voltage distribution schemes often found in retrofit projects, while the 70A rating matches common mid-range protection requirements.

Installation and compatibility guidance

Before ordering, verify compatibility using the part number as your primary reference. The HLP36070 designation is the best indicator of fit for panels designed for Square D bolt-on breakers. Confirm that your system’s amperage class, three-pole configuration, and 600V rating align with the breaker’s specifications. Follow your panel manufacturer's guidelines for bolt-on mounting and ensure all safety procedures are observed during replacement or installation.

Who should consider this break er

electricians, panel technicians, and facilities engineers who need a precise, drop-in replacement for 3-phase, 600V service equipment. It’s especially well-suited for retrofit projects where a direct part match minimizes rewiring and maximizes downtime efficiency, without compromising on protection performance.

Choose the Square D HLP36070 for a clear, reliable path to restoring or upgrading 3-phase protection with a trusted, OEM-compatible solution designed for demanding electrical environments.