Square D | R3815 | Circuit Breaker | 15A | 2-Pole | 240V

When you need dependable 240V protection with precise calibration, the Square D R3815 circuit breaker is engineered to deliver. This 15-amp, 2-pole device fits compatible Square D panels and is an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications at a glance

• Amperage: 15A
• Poles: 2-Pole
• Voltage: 240V
• Part number: R3815

Why this breaker stands out

• Exact compatibility via part number: R3815 is your most reliable reference for matching panels that accept Square D’s R-series breakers. Always verify fit and ratings before ordering.
• Targeted 240V protection: Designed to interrupt 240V circuits cleanly, helping guard connected equipment and wiring from overcurrent conditions.
• Ideal for retrofits and replacements: A straightforward, reliable option when upgrading aging panels or restoring circuits in both residential and light commercial settings.
• Quality you can trust: Built to meet Square D’s performance standards, ensuring consistent trips and secure connections in demanding environments.

Use cases and scenarios

• Replacing a failed 240V, 15A breaker in a Square D panel that supports R-series devices
• Upgrading an older electrical panel to restore a 240V circuit with precise 15A protection
• Retrofit projects where panel labeling confirms compatibility with R3815 and related components

How to verify before you buy

• Check your panel’s labeling for compatibility with Square D R-series breakers and confirm that the slot design accepts 2-pole 240V devices
• Use the part number R3815 as the primary reference to ensure exact fit, ratings, and trip characteristics
• Ensure the circuit requires 15A protection on a 240V two-pole configuration to match this model

Installation and best practices

• Power down the main disconnect and verify the panel is de-energized before handling breakers
• Remove the old breaker from its slot, keeping wiring secure and labeled
• Install the R3815 by snapping it into a compatible bus and securing any conductors per panel guidelines
• Restore power and test the circuit to confirm proper operation and trip response

For reliable, code-compliant protection of your 240V circuits, the Square D R3815 15A 2-Pole breaker offers a precise, compatible solution for maintenance, retrofit, and replacement projects. Use the part number as your compatibility navigator and ensure your panel accepts Square D R-series devices for seamless installation.