THQL2140 40A 2P 240V Circuit Breaker, Plug-On | AmpState

The THQL2140 40A 2P 240V plug-on circuit breaker is your go-to solution for reliable overcurrent protection in panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this unit shines in retrofit projects and maintenance where keeping the same part number matters for compatibility, documentation, and warranty considerations.

Why the THQL2140 stands out

• Precise, two-pole protection — 40 A capacity with 240V operation provides coordinated disconnection of both conductors, helping safeguard downstream equipment and wiring.
• Plug-on simplicity — Designed for straightforward installation in compatible panelboards and load centers, reducing installation time and minimizing panel downtime during replacements or upgrades.
• Retrofit-ready and documentation-friendly — Ideal when a consistent part number is required for ongoing maintenance planning and inventory management, keeping your electrical system organized and compliant.
• Support when you need it — AmpState can assist in matching the exact part number or confirming compatibility to ensure a proper fit in your distribution setup.

Ideal use cases

• Retrofitting older panels where preserving the original part number simplifies procurement and warranty coverage.
• Upgrading or replacing a failing breaker in residential, commercial, or light industrial distribution with a dependable, standard 2-pole 240V device.
• Maintenance planning in facilities that require consistent components to streamline stocking and repairs.

Key specifications

• Amperage: 40 A
• Poles: 2
• Voltage: 240 V
• Model: THQL2140 plug-on circuit breaker
• Application: Circuit protection in panelboards, load centers, and electrical distribution

Available from AmpState. Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit.