LB37PG 37A 3P 600V Safety Switch, Fusible | AmpState

LB37PG is a 3-pole, fusible safety switch rated for 600V and a 37A operating current. Built for everyday electrical work, this unit functions as an equipment disconnect and isolation switch at the point of use. The fusible design provides integrated overcurrent protection, delivering a dependable, single-component solution for safely de-energizing machinery during maintenance or service. It’s an ideal choice for replacement projects and stocking spares to keep your bill of materials aligned with the original part number.

Key specifications at a glance

• Part number: LB37PG
• Amperage: 37 A
• Poles: 3 (three-pole configuration)
• Voltage rating: 600V
• Type: Fusible safety switch
• Application: Equipment disconnect and isolation at the point of use
• Availability: Available from AmpState

What makes LB37PG stand out

• Three-pole reliability: Simultaneous isolation of all three phases ensures safe maintenance and reduces the risk of partial energization.
• Fusible protection: Built-in overcurrent protection helps prevent damage during faults, supporting quick restoration of service once faults are cleared.
• Part-number consistency: Designed to align with original BOMs, making replacements straightforward and minimizes engineering changes.
• Versatile for everyday workloads: Suited for industrial panels, conveyors, conveyors, and other three-phase equipment where a robust disconnect is needed at the point of use.

Ideal use cases

• Replacement projects that need to match an existing part number without redesigning control panels.
• Spare parts stocking to ensure quick swaps and minimal equipment downtime during maintenance.
• Equipment disconnects in three-phase systems, where reliable isolation is critical for safe servicing.

Practical guidance

When integrating the LB37PG into your system, verify that your service voltage and current requirements align with the 600V/37A specifications and that a three-pole disconnect meets your control circuit needs. Use this fusible safety switch to achieve a clear, code-compliant isolation point at the load side of your power distribution path, simplifying maintenance procedures and reducing exposure to energized components.

Need help matching a part number or confirming compatibility with your specific equipment? Message us and we’ll help you confirm fit, ensuring a seamless upgrade or replacement process.