Siemens CQDST480AAS 480V Switch, Shunt Trip, Auxiliary Switch | AmpState

The Siemens CQDST480AAS 480V Switch with Shunt Trip and Auxiliary Switch is designed for dependable manual control and robust switching in demanding industrial environments. This compact, OEM-matched solution lets you localize operation while adding remote safety and signaling capabilities, all in one integrated device.

• 480V operation ensures compatibility with standard industrial power distribution in manufacturing and facilities environments.
• Shunt Trip enables remote or automatic tripping to secure equipment quickly during faults or safety events.
• Auxiliary switch provides reliable status signaling to control systems, HMIs, or annunciation circuits.
• Manual control and switching supports hands-on operation for commissioning, maintenance, or troubleshooting when automation is offline.
• Original BOM alignment makes this an ideal replacement part to preserve documentation, warranties, and compatibility with the original Siemens installation.

Designed for replacement projects and stocking spares, the CQDST480AAS helps maintain BOM fidelity with the original part number while delivering trusted Siemens performance. It slots into panels and assemblies that require a 480V switching solution with remote trip and signaling capabilities, reducing downtime and ensuring consistent operation during service windows.

Ideal for:

• Maintenance engineers and panel technicians seeking OEM-matched replacements
• System integrators and OEMs preserving BOM integrity during retrofits
• Facilities teams aiming to minimize downtime with ready-to-use spares

Specifications at a glance

• Manufacturer: Siemens
• Part Number: CQDST480AAS
• Product Type: Switch
• Voltage: 480V
• Includes: Shunt Trip and Auxiliary Switch

Need help confirming compatibility with your specific panel or control scheme? AmpState can assist—reach out and we’ll verify fit against your original part number to ensure a seamless replacement.

Practical tips for best results

• Keep a dedicated spare CQDST480AAS on hand for critical 480V circuits to minimize downtime during maintenance.
• Leverage the auxiliary switch signals for local indicators or remote monitoring to improve visibility of switch status.
• When replacing, reference the original BOM to preserve service history and documentation for compliance and future maintenance.