Square D | QJA32070 | Circuit Breaker | 70A | 3-Pole | 240V

The Square D QJA32070 circuit breaker is a 70-amp, 3-pole, 240-volt protection device built for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. Designed to slot into panels that require the QJA family configuration, this breaker helps keep critical electrical systems protected with a precise match to your existing setup.

Key specifications

• Amperage: 70 A
• Pole configuration: 3-Pole
• Voltage: 240 V
• Part number: QJA32070

Why this breaker stands out

• The part number QJA32070 is your best reference for fitting into Square D installations that require a 3-pole, 240V protection device. Use this as your checklist item to ensure a seamless swap.
• With a 70A rating, it is well-suited for protecting mid-range feeders and equipment in commercial, industrial, or robust residential applications that run on 3-phase or shared 240V circuits.
• Specifically chosen for replacement and upgrading efforts where you need to preserve existing panel design and electrical clearances while restoring proper overcurrent protection.

Ideal use cases

• Retrofits in legacy Square D panels that require a 70 A, 3-pole, 240 V protection device.
• Maintenance replacements for aging or worn breakers within 3-pole 240V circuits.
• Upgrades to support new or expanded 3-phase equipment loads without changing the panel footprint.

Important compatibility notes

Before ordering, verify fit and ratings match your panel’s documentation. The QJA32070 part number is the most accurate reference for compatibility, ensuring the breaker will physically and electrically integrate with your Square D panel and protect your circuit as intended.

Practical tips for best results

• Cross-check your panel label for the acceptable breaker family and maximum interrupting rating to confirm suitability for the QJA32070.
• When performing replacements, ensure the panel is de-energized and follow proper lockout/tagout procedures for safe installation.
• Store replacement breakers in a clean, dry environment to maintain their mechanical and electrical integrity until you’re ready to install.