3VA9338-0LB11 - Padlockable Device - 400-600A

3VA9338-0LB11 -  Padlockable Device - 400-600A

Engineered to enhance safety and control, the Siemens 3VA9338-0LB11 LOCK-OFF accessory is an essential add-on for any industrial or commercial electrical system that requires secure lock-out functionality. Designed with quality and longevity in mind, this accessory provides dependable performance and peace of mind by allowing authorized lock-off of circuit breaker handles during maintenance or when safety procedures are enforced. Its compact form and simple integration make it ideal for electricians, maintenance teams, and facilities managers who demand reliable protection and compliance without adding unnecessary complexity.

Key Features and Benefits

• Secure Lock-Off Functionality: Enables a breaker to be locked in the OFF position, supporting strict safety protocols and reducing the risk of unintended energization during service.
• Easy to Install: Simple attachment to compatible Siemens breaker handles means quick setup and minimal downtime.
• Space-Saving Design: With its slim profile, this accessory won’t interfere with adjacent breakers or panel layouts.
• Durable Construction: Built to withstand the daily rigors of industrial environments without degrading or failing.
• Worker Safety Support: Adds a layer of control that reinforces lockout/tagout (LOTO) procedures.

Technical Specifications

• Part Number: 3VA9338-0LB11
  
• Vendor: Siemens
  
• Height: 4.0 in
  
• Width: 3.0 in
  
• Depth: 0.5 in
  
• Poles: (Accessory only — fits designated breaker frames)
  
• Type: LOCK-OFF
  
• Unit Weight: Lightweight for easy handling and installation
  

Material Compliance and Certifications

• Industry Standards: This Siemens accessory aligns with stringent industry standards for electrical safety and component reliability.
• Compliance: While specific certification numbers vary by installation and system configuration, Siemens products typically meet or exceed requirements for commercial and industrial electrical equipment.
• Material Standards: Material standards ensure compatibility with Siemens breakers and compliance with common safety practices in electrical installations.
  

Where It Works Best

• The Siemens 3VA9338-0LB11 LOCK-OFF is well suited for industrial facilities, manufacturing plants, institutional buildings, data centers, and commercial electrical panels where safety and control are top priorities.
• It’s particularly useful in environments that enforce strict lockout/tagout procedures or where authorized access must be controlled to prevent unplanned energization of equipment.