Square D JDL36150SA 150A 3P 600V Circuit Breaker, Shunt Trip | AmpState

Square D JDL36150SA is a robust 150-amp, 3-pole, 600-volt circuit breaker with an integrated shunt trip, purpose-built for everyday electrical work. Designed for use in panelboards, load centers, and electrical distribution systems, it delivers dependable circuit protection while supporting retrofit projects where keeping the same part number matters for maintenance and stocking.

• Amperage: 150 A
• Poles: 3
• Voltage: 600 V
• Shunt Trip: Remote-trip capability for fast, controlled disconnection
• Manufacturer: Square D
• Part Number: JDL36150SA
• Applications: Panelboards, load centers, and electrical distribution systems; ideal for retrofit work and maintenance planning where exact part continuity is important

Why this matters for your project

The inclusion of a shunt trip in a 150 A, 3P, 600V breaker unlocks safer remote shutoff options for control systems and safety interlocks. It’s especially valuable in retrofit scenarios where existing panels need upgrading without altering the protection scheme, or when a precise, consistent part number simplifies installation schedules and spare-part inventories. This breaker provides reliable protection for 3-phase circuits and ensures quick response to control signals, minimizing downtime and disruption during maintenance or emergency conditions.

Ideal use cases

• Retrofit and modernization projects that require preserving the original part number for streamlined maintenance and procurement
• Panelboard or load center upgrades where remote disconnection support enhances safety and control
• New or existing 3P distribution networks demanding robust 150 A protection at up to 600 V
• Maintenance planning with a known, compatible Square D component that fits into established electrical distributions

Availability and compatibility: This part is available from AmpState. If you need help matching a part number or confirming compatibility, message us and we’ll help you confirm fit.