User Manual for R. Stahl SolConeX Connector 8581/12

Important Information

The R. Stahl SolConeX 8581/12 is an explosion-protected industrial connector designed for use in hazardous areas (Zone 1, 2, 21, and 22). This manual provides essential instructions for installation, operation, and maintenance. Always ensure that the device is used within its specified operating conditions and that all work is performed by qualified personnel.

Safety Instructions

The device is designed for use in explosive atmospheres. Failure to follow safety instructions can result in serious injury or death. Key safety requirements include:

• Do not open the device while under voltage.
• Ensure the device is not damaged before installation.
• Use only in environments where the device is certified for use.
• Ensure the bayonet ring is fully locked to maintain IP protection.
• Clean the device only with a damp cloth to prevent electrostatic discharge.

Installation and Wiring

Installation must be carried out by qualified personnel according to local regulations. Follow these steps for wiring:

1. Loosen screw (A) and remove the connector insert from the housing.
2. Loosen clamp (C) and pressure screw (B).
3. Remove the dust plate, pressure ring, and seal from the housing.
4. Feed the cable through the pressure screw, pressure ring, seal, and housing.
5. Strip the cable insulation and connect the wires to the connector insert, ensuring they are fully inserted into the terminals.
6. Secure the cable strain relief (D).
7. Reassemble the connector, ensuring the nose and guide slot (E) are aligned.
8. Tighten the pressure screw (B) and secure with clamp (C).

Torque Settings:

• Terminals: 3.5 Nm
• Housing screws: 2.5 Nm
• Strain relief: 3.5 Nm

Operation

The connector is compatible with R. Stahl wall sockets 8581/11 and 8581/31 and complies with DIN EN 60309 standards. Before inserting the plug, ensure the contacts are clean and dry. Always lock the bayonet ring completely after insertion to maintain the IP66 protection rating.

Maintenance and Cleaning

Regular maintenance is required to ensure safe operation:

• Inspect the device for cracks, damage, and contamination.
• Check that all electrical connections are tight.
• Clean the device using a damp cloth; do not use abrasive or corrosive cleaners.
• After 1000 connection cycles, clean the connector and apply a recommended lubricant (e.g., Klübersynth PTB 2-24). Do not use mineral-based lubricants.

Technical Data

• Rated Voltage: Max 690V AC / 220V DC
• Rated Current: 125A
• Frequency: 50/60Hz (Derate to 100A if frequency > 100Hz)
• Operating Temperature: -45°C to +60°C
• Protection Class: IP66 (Dust-tight and water-jet resistant)
• Impact Resistance: IK10
• Connection Cross-section: 2.5 to 35mm² (AWG 14 to AWG 2); 50mm² (AWG 1) for pin terminals