Product Specification: X20AC0SL1 Left End Cover Locking Plate

1. General Information

• Manufacturer: B&R Industrial Automation

• Part Number: X20AC0SL1

• Product Type: X20 System Accessory – Left Side End Cover / Locking Plate

• Product Series: X20 Distributed I/O System

• Certifications: CE, UKCA

• Product Status: Active (In Production)

• RoHS Compliance: Fully compliant

• Country of Origin: Austria (AT)

2. Product Description

3. Key Features & Benefits

• Precision Mechanical Fit: Engineered to perfectly match the form factor of all X20 I/O modules and bus bases.

• Dual Function: Serves as both an end cover (for protection) and a locking plate (for mechanical fixation).

• Secure Installation: Locks firmly into the X20 bus base module, preventing accidental dislodgement of I/O slices.

• Environmental Protection: Seals the end of the I/O stack, protecting internal circuits from dust, dirt, and accidental contact.

• System Integrity: Maintains the uniform IP20 front-face protection rating across the entire assembly.

• Quick & Tool-Free Installation: Snaps securely into place without the need for tools or fasteners.

• Industrial Durability: Constructed from high-grade, flame-retardant thermoplastic for long-term industrial use.

• Color-Coded Design: Standard B&R orange color for easy identification and system aesthetics.

• Full Compatibility: Designed for use with all standard X20 bus base modules (e.g., X20BM11, X20BB80).

4. Technical Specifications

4.1 Mechanical Parameters

• Position: Left-side termination (for right-side, see X20AC0SR1)

• Material: High-strength, impact-resistant, flame-retardant thermoplastic (UL 94 V-0 rated)

• Color: Standard B&R orange

• Dimensions: Compatible with 12.5 mm X20 module width

• Weight: Approx. 0.01 kg (0.022 lbs)

• Mounting: Snap-fit onto X20 bus base module

• Compatibility: For use with all X20 I/O modules and bus bases

4.2 Environmental Specifications

• Operating Temperature: -25°C to +60°C (-13°F to +140°F)

• Storage Temperature: -40°C to +85°C (-40°F to +185°F)

• Relative Humidity: 5 – 95% RH, non-condensing

• Flammability Class: UL 94 V-0

• Protection Rating: Contributes to system IP20 rating

4.3 Compliance & Approvals

• CE Marking: Yes

• UKCA Marking: Yes

• RoHS Directive: Compliant

• cULus Listed: Yes (as part of X20 system)

5. Applications & Usage

• Mechanical Termination: Provides a professional, finished look to the left end of any X20 I/O node.

• Module Retention: Secures the leftmost module in place, ensuring mechanical stability under vibration.

• Dust & Contaminant Sealing: Protects the exposed side of the I/O stack in industrial cabinets.

• Safety Barrier: Prevents accidental contact with live electrical components on the module edge.

• Standard Cabinet Builds: Mandatory for all standard X20 system installations in control cabinets.

6. Complementary Components

• Right-Side Counterpart: X20AC0SR1 (Right end cover locking plate)

• Required Base Module: All X20 bus base modules (e.g., X20BM11, X20BB80)

• Use With: All X20 digital, analog, and special function I/O modules

7. Installation Note

8. Reliability & Support

• Industrial Lifetime Design: For continuous operation in industrial environments.

• B&R Standard Warranty: Covered under B&R's general manufacturer's warranty.

• Long-Term Availability: Active production status ensures long-term supply.

• Maintenance-Free: No internal parts or electrical connections require maintenance.