Square D | NE361000LS | Circuit Breaker | 1000A | 3-Pole | 600V

Square D NE361000LS is a high-capacity, three-pole circuit breaker designed to protect heavy-duty electrical systems operating at 600 V. With a 1000 A rating, it delivers robust overcurrent protection for large feeders and motor circuits, making it a trusted choice for maintenance, retrofit, and replacement projects where exact specs matter.

This breaker is built to align with Square D panels and switchgear, ensuring a precise fit and reliable performance when upgrading or replacing aging protection devices in industrial environments.

Key specifications

• Amperage: 1000 A
• Poles: 3-Pole
• Voltage: 600 V
• Part number: NE361000LS

Why this model stands out

• Exact reference for compatibility: using the NE361000LS part number minimizes fit issues during maintenance or retrofit.
• Designed for industrial duty: supports high-current protection in 600 V systems, helping safeguard large motors and main feeders.
• Versatile for replacement scenarios: ideal when a like-for-like swap is required to maintain system performance and electrical standards.

Use cases and practical scenarios

Perfect for retrofitting a 600 V distribution panel in a manufacturing line with substantial motor loads, replacing a failed protection device in a main feeder, or stocking a service inventory for industrial facilities that rely on 3-pole, high-current protection.

Important compatibility notes

Before ordering, confirm fit and ratings to ensure exact compatibility with your equipment. The part number NE361000LS is the most reliable reference for matching the breaker to your panel or enclosure. Verify panel model, mounting arrangement, and bus configuration to ensure a seamless replacement or upgrade.