Square D HLA36070SDYP 70A 3-Pole 600 V Circuit Breaker

Meet the Square D HLA36070SDYP 70A 3-Pole 600 V Circuit Breaker — a purpose-built protector for three-phase electrical systems. Designed to deliver reliable overcurrent protection in commercial and industrial panels, this 3-pole device ensures all phases trip together, helping prevent phase loss and equipment damage.

• Current rating: 70 A
• Poles: 3
• Voltage rating: 600 V
• Manufacturer: Square D
• Part number: HLA36070SDYP

Key advantages of the HLA36070SDYP 3-Pole breaker

The three-pole design ensures simultaneous disconnection of all live conductors, enhancing safety and simplifying fault isolation on 3-phase circuits. With a 70 A rating, it’s well-suited for medium-load equipment such as industrial motors, pumps, and conveyors, as well as other three-phase machinery. The 600 V rating broadens its applicability to higher-voltage distribution panels found in commercial spaces and light industrial settings. Built to deliver consistent performance in everyday switching and occasional fault events, this breaker provides dependable protection for your critical infrastructure.

Designed for compatibility and reliability

As part of the Square D HLA family, this breaker is engineered to fit compatible panels and configurations where dependable protection matters most. Its design emphasizes stable trip characteristics and durable operation in demanding environments, helping minimize nuisance trips and downtime on your distribution system.

Ideal use cases

• New installations in three-phase distribution panels up to 600 V
• Replacement breaker in existing Square D panels that accept 3-pole, 70 A devices
• Motor circuits for pumps, HVAC equipment, conveyors, and other 3-phase machinery
• Industrial controls and manufacturing line protection
• Commercial facility power distribution where reliable three-phase protection is essential

Installation and maintenance tips

Follow standard electrical practices when mounting this breaker in a compatible Square D panel. Verify the panel’s acceptable breaker type and ensure mounting and torque specifications align with the manufacturer’s guidelines. Keep the device clean and dry, and replace it only with a like-for-like 70 A, 3-pole, 600 V device from Square D to maintain system protection integrity.

What you gain

With the Square D HLA36070SDYP, you get a reliable, three-phase protection solution that aligns with your 600 V distribution needs. It’s designed for straightforward replacement in compatible panels, supports safe simultaneous trip of all phases, and helps keep critical equipment operating smoothly in busy commercial and industrial environments.

Ready to secure your three-phase distribution? Add the Square D HLA36070SDYP to your cart and ensure dependable fault protection across your 600 V, 3-phase system.