Square D | SN03C | Disconnect Switch | 30A | 600V

When you need a dedicated, reliable way to safely isolate a circuit for service, the Square D SN03C Disconnect Switch is the precise solution for maintenance, retrofit, and replacement projects. Rated for 30A and up to 600V, this switch is designed to meet the needs of mid-power control circuits while keeping safety and downtime in check. Use the SN03C as your primary compatibility reference and verify it against your equipment documentation before ordering to ensure a seamless fit.

• Exact compatibility reference — the SN03C part number is your best guide for compatibility with Square D systems, helping you avoid mismatches in the field.
• Efficient circuit isolation — provides a clear, dedicated point to disconnect power during routine maintenance, reducing risk and downtime.
• Retrofit and replacement readiness — a dependable choice for upgrading aging switches or integrating into existing installations that rely on SN03C specifications.
• Mid-power reliability — handles up to 30A at 600V, making it suitable for a wide range of control and protection scenarios in industrial environments.

Ideal use cases

• Maintenance servicing of electrical panels and control gear where a clear disconnect is required
• Retrofit projects replacing outdated switches while preserving existing system compatibility
• New installations or upgrades in facilities that operate on 600V systems with moderate current demands

Specifications at a glance

• Amperage: 30A
• Voltage: 600V
• Part number: SN03C
• Applications: Maintenance, retrofit, and replacement where SN03C compatibility is required

With the Square D SN03C Disconnect Switch, you gain a focused, dependable disconnect option that aligns with your existing SN03C-based equipment. It’s a practical choice for professionals who value accurate compatibility, clear power isolation, and straightforward installation in controlled electrical environments.