Siemens | QJ3M070HL | Circuit Breaker | 70A | 3-Pole | 240V

For professionals who manage 3‑phase electrical distributions, the Siemens QJ3M070HL circuit breaker delivers dependable overcurrent protection for 240V circuits. This 70A, 3-Pole unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

Key compatibility note: Confirm fit and ratings before ordering. The part number is the best reference for compatibility.

Specs at a glance

• Amperage: 70 A
• Poles: 3-Pole
• Voltage: 240 V
• Part number: QJ3M070HL

Why this Siemens model stands out

This breaker is designed to work seamlessly with Siemens panels that accept QJ-series protection devices, ensuring identical trip characteristics across each phase. Using the exact part number minimizes the risk of incompatibility and helps maintain electrical system reliability during maintenance, retrofit, or replacement work.

Ideal use cases

• Maintenance: replace a failed or worn-out breaker with a like-for-like 70A, 3‑pole model to restore protected circuits quickly.
• Retrofit: upgrade existing protection while keeping form and function matched to the Siemens QJ family.
• Replacement: straightforward swap-in for panels that require 240V, 70A three‑pole protection.

Installation & compatibility tips

• Always confirm fit and ratings before ordering—the part number QJ3M070HL is the best compatibility reference.
• Use in compatible Siemens distribution panels that support QJ-series breakers.
• De-energize equipment and follow safety procedures during installation and maintenance.