Telemecanique ZCD21 Switch, 300V

Telemecanique ZCD21 Switch, 300V is a rugged, exact-fit control switch designed for industrial electrical service, maintenance, and replacement projects. Built by Telemecanique, the ZCD21 is ready to perform in demanding environments where dependable operation and straightforward compatibility matter most.

Specifications at a glance

• Manufacturer: Telemecanique
• Part Number: ZCD21
• Product Type: Switch
• Voltage: 300V

Why the ZCD21 is a smart choice for your maintenance and replacement work

• Exact-fit replacement minimizes guesswork and reduces downtime by matching the same mounting footprint and electrical interfaces as your existing switch.
• 300V rating ensures compatibility with common industrial control circuits while supporting safe, reliable operation in demanding environments.
• Genuine Telemecanique part provides consistent performance and easier sourcing for future replacements within the same product family.
• Clear compatibility verification relies on the part number—use ZCD21 to confirm fit for your specific application and equipment.

Ideal use cases

• Panel-mounted control switches in manufacturing lines and automated systems
• Replacement for worn or failed switches in ongoing maintenance projects
• Spare parts for equipment where a proven 300V Telemecanique component is required

Practical guidance for technicians

• Always verify fit by cross-checking the ZCD21 part number against your equipment’s documentation and wiring diagram.
• Ensure the switch’s mounting, terminals, and footprint align with your control panel design before installation.
• During replacement, de-energize the circuit and follow standard lockout/tagout procedures to maintain a safe workspace.

Need help confirming compatibility or matching the right part number to your application? Send us a message and our team will assist in validating the ZCD21 switch for your specific equipment and project needs.