Square D | SDT230 | Circuit Breaker | 30A | 2-Pole | 240V | Plug-In

Protect 240V circuits with precision using the Square D SDT230, a plug-in circuit breaker built for reliable performance in maintenance, retrofit, and replacement projects. This 30A, 2-pole unit delivers solid protection where it matters most, with a plug-in design that simplifies swaps in compatible panels.

Key specifications

• Amperage: 30 A
• Poles: 2-Pole
• Voltage: 240V
• Configuration: Plug-In
• Reference: Part number SDT230

What makes SDT230 unique

This breaker isn’t a generic replacement. It’s a purpose-built component for Square D panels, designed to snap into place with a secure, reliable connection. The plug-in form factor accelerates installations during retrofits or panel upgrades, helping you minimize downtime while preserving safe, code-compliant protection for each 240V branch circuit.

Ideal use cases

• Maintenance: quickly swap in a like-for-like 30 A, 2-pole 240V breaker to restore circuit protection.
• Retrofit: upgrade or replace aging breakers in compatible Square D panels without modifying the panel’s bus connections.
• Replacement: rely on the SDT230 part number as the definitive reference for compatibility and accurate matching of specs.

Compatibility and installation notes

To ensure proper function and safety, confirm fit and ratings before ordering. The SDT230 designation is the most reliable reference for compatibility with your panel. If your system supports Square D plug-in breakers in this configuration, this unit provides the required 30A protection for 240V circuits.