Power / Electrical Connectors
User Manual for R. STAHL SolConeX 8570/12 Series 16A Plug
Quick guide for the R. STAHL SolConeX 8570/12 Series 16A plug. Includes installation steps, wiring instructions, technical specifications, and safety warnings for hazardous areas.
Table of contents
Manual images
Click an image to enlargeQuick guide from the manual
The R. STAHL SolConeX 8570/12 series is an explosion-proof plug designed for use in hazardous areas (Zones 1, 2, 21, and 22). This document provides essential instructions for safe installation, operation, and maintenance.
Safety Warnings
- Explosion Hazard: Do not open the device while energized.
- Qualified Personnel: Installation, assembly, and maintenance must be performed by qualified professionals familiar with IEC/EN 60079 standards.
- Environment: Ensure the device is used only within the specified operating conditions and temperature ranges.
- Integrity: Do not use the device if it shows signs of mechanical damage.
Installation and Assembly
Follow these steps for proper cable connection:
- Loosen the screw connection and remove the dust cap.
- Remove the compression ring and sealing ring.
- Loosen the housing screws and remove the plug housing.
- Pass the cable through the screw connection, compression ring, and seal.
- Insert the cable into the terminals and tighten. Ensure the insulation is stripped correctly.
- Reassemble the housing and tighten the screw connection.
Tightening Torques:
- Terminals: 1.2 Nm
- Housing screws: 1.0 Nm
- Strain relief: 1.5 Nm
Operation
The plug is compatible with various R. STAHL sockets, including 8570/11, 8572/13, 8570/15, 8570/18, 8572/15, 8572/14, 8570/16, and 8570/51. Ensure the plug is free from water and dust before insertion. The bayonet ring must be fully tightened to maintain the IP rating.
Maintenance and Cleaning
- Cleaning: Use only a damp cloth. Do not use abrasive or corrosive cleaners.
- Lubrication: After 1000 mating cycles, clean the pins and apply a suitable lubricant (e.g., Klübersynth PTB 2-24). Do not use mineral oil-based lubricants.
- Inspection: Regularly check for physical damage, secure cable connections, and clean contacts.
Technical Data
- Rated Voltage: 50 to 690 V AC / 110 V DC
- Rated Current: 16 A (up to 20 A depending on cross-section)
- Ingress Protection: IP66 / IP64
- Cable Diameter: 8 to 18 mm
- Operating Temperature: -50 to +65 °C
Manufacturer information
R. STAHL AG
Practical help
Common problems
Explosion risk due to improper handling
Ensure the device is not opened while energized and is installed by qualified personnel.
Corrosion of contacts
Regularly unplug the device and clean the pins. Apply lubricant after 1000 cycles.
Overheating
Ensure the cable cross-section is appropriate for the current load and that all terminals are tightened to 1.2 Nm.
Before use
- Verify the device is suitable for the hazardous zone (1, 2, 21, 22).
- Check for physical damage to the housing or seals.
- Ensure the cable diameter is between 8 mm and 18 mm.
- Confirm the cable is properly secured and strain-relieved.
- Ensure the plug is clean and dry before insertion.
Specs in practice
- Torque Specs
- Specific tightening forces: 1.2 Nm for terminals, 1.0 Nm for housing, 1.5 Nm for strain relief.
Images and diagrams
- Pin layout diagrams indicate clock positions for different voltage and frequency configurations.
- Assembly diagrams illustrate the correct order of the cable gland, compression ring, and seal.
Model compatibility
- Compatible with R. STAHL sockets: 8570/11, 8572/13, 8570/15, 8570/18, 8572/15, 8572/14, 8570/16, 8570/51.
Manual page author
David Miller
Documentation analyst
Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.