Square D JDL36150 - 150 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Square D JDL36150, a dependable 150 A, 600 V, 3-pole molded case circuit breaker designed to safeguard panelboards and loadcenters from overcurrent and short circuits. Offered through AmpState, this MCCB is built to perform consistently in demanding environments where reliability matters.

• Compact molded case design maximizes panel space, making it easier to fit into tight electrical layouts without sacrificing protection.
• Thermal-magnetic trip unit delivers stable, repeatable protection across varying loads and temperatures, reducing nuisance trips and improving overall panel reliability.
• Three-pole configuration provides robust protection for three-phase systems, ensuring coordinated fault interruption in commercial and light industrial setups.
• Broad compatibility engineered to work with matching OEM loadcenters and panelboards, simplifying upgrades, replacements, and panel modernization projects.

Why this breaker stands out

Unlike generic substitutes, the JDL36150 is purpose-built for Square D panel ecosystems, ensuring precise trip characteristics and seamless integration. The thermal-magnetic mechanism is designed to handle common fault scenarios—overloads and short circuits—without compromising speed or accuracy, which is crucial for protecting downstream equipment and maintaining service continuity.

Ideal applications

• Residential and light commercial distribution panels where space is at a premium but protection must not be compromised.
• Commercial electrical rooms and small industrial setups needing reliable three-phase overcurrent protection.
• Panelboard upgrades or replacements that require exact compatibility with OEM equipment to maintain warranty and performance guarantees.

Technical snapshot

Manufacturer: Square D

Part Number: JDL36150

Type: Thermal-magnetic molded case circuit breaker (MCCB)

Amperage Rating: 150 A

Voltage Rating: 600 V

Number of Poles: 3

Applications: Branch circuit overcurrent and short-circuit protection in panelboards and loadcenters

Practical tips for use

• Ensure you’re pairing the JDL36150 with a matching Square D panelboard or loadcenter to preserve protection coordination and warranty terms.
• When planning an upgrade, verify the existing bus configuration and space availability in your panel to maximize the 3-pole, 150 A capacity.
• Consult a qualified electrician for installation and verification of trip settings and overall panel health to prevent miscoordination with upstream protective devices.