0001354405A Contact

Description

The Siemens 3RH1921-2CA01 Auxiliary Contact Block (Part Number: 0001354405A) is a normally closed (NC) contact accessory designed for use with Siemens contactors and control systems, including those in woodworking CNC machines.

Key Specifications:

• Model: 3RH1921-2CA01
• Part Number: 0001354405A
• Type: Auxiliary contact block (NC - Normally Closed)
• Contact Configuration: 1 NC (single normally closed contact)
• Voltage Rating: Suitable for standard industrial control circuits
• Current Rating: Typically rated for low-power control signals
• Mounting Type: Front-mountable, designed to snap securely onto Siemens contactors
• Material: Durable plastic housing with silver alloy contact points for reliable conductivity

Applications in CNC Machines:

✅ Used as a safety interlock to break a control circuit during abnormal conditions
✅ Integrated with CNC system relays to provide emergency stop functions
✅ Ensures safe control logic in automated woodworking processes

Installation and Maintenance Tips:

• Ensure proper alignment when mounting to a Siemens contactor.
• Regularly inspect for signs of wear, dirt buildup, or oxidation on the contact points.
• Confirm wiring connections comply with CNC control circuit requirements.