- WOODWORKING
- METALWORKING
- PLASTICS / COMPOSITES
- DUST/CHIP SYSTEMS
- POSITIONERS
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- PRE-OWNED MACHINES
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WOODWORKING
-
METALWORKING
- PLASTICS / COMPOSITES
-
DUST/CHIP SYSTEMS
-
POSITIONERS
-
SUPPLIES & ACCESSORIES
-
SUPPORT
-
TRAINING
-
PRE-OWNED MACHINES
$16.16
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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.
