Square D | Q1L370 | Circuit Breaker | 70A | 3-Pole | 240V

Meet the Square D Q1L370 Circuit Breaker—a robust 70A, 3-pole, 240V protective device designed for demanding electrical environments. Built for maintenance, retrofit, and replacement projects, this breaker delivers precise protection for 3‑phase distributions while maintaining the reliability that Square D users expect.

Specifications

• Amperage: 70A
• Poles: 3-Pole
• Voltage: 240V
• Part Number: Q1L370

Why the Q1L370 stands out

• Exact-match replacement: Designed to fit panels and systems specified for 3-pole, 240V circuits, ensuring seamless integration and reliable trip characteristics.
• Manufacturer-aligned protection: Maintains original protection curves and response behavior consistent with Square D standards, helping protect wiring, devices, and personnel.
• Convenient compatibility reference: The part number Q1L370 is the most reliable reference for confirmation—rely on it to verify fit before ordering.
• Durable build for industrial use: Engineered to withstand routine switching transients and environmental conditions common in maintenance and retrofit projects.

Ideal use cases

• Maintenance and service on 3‑phase electrical systems that require 70A protection.
• Retrofits where upgrading or replacing aging breakers with an exact-spec component is needed.
• Replacement in commercial or industrial panels that specify a 3-pole, 240V configuration.

Practical tips for installation and compatibility

• Before ordering, confirm fit and ratings for your specific panel model and distribution setup to avoid mismatch.
• Use the Q1L370 part number as the primary reference when sourcing replacement breakers to ensure compatibility.
• Store spare breakers in a controlled environment and handle with appropriate safety procedures to preserve reliability.
• If you’re unsure about panel compatibility, cross-check with your panel’s documentation and the manufacturer’s guidance for 3‑pole, 240V devices.

Designed for professionals who demand precise electrical protection without compromise, the Square D Q1L370 70A 3-Pole 240V circuit breaker is a dependable choice for ensuring continuous, safe operation in your 3-phase systems.