The Schneider Electric 33543 is an IEC long-time rating plug designed for use with MicroLogic trip units. This component facilitates precise current adjustment within the low setting range of 0.4 to 0.8 times the nominal current (In), crucial for protecting sensitive electrical equipment from sustained overloads. It is commonly integrated into Schneider Electric's MasterPact and Compact NS circuit breaker families.

Technical details

• Trip Unit Type: MicroLogic
• Rating Plug Functionality: IEC Long-Time Rating Plug
• Adjustable Long-Time Pickup Setting (Ir): 0.4 to 0.8 x In
• Compatibility: Designed for use with specific Schneider Electric MicroLogic trip units and associated circuit breaker frames.
• Function: Provides adjustable overload protection settings for circuit breakers.
• Protection Characteristic: Implements a long-time delay function to prevent nuisance tripping from moderate, sustained overcurrents.
• Application Specifics: Enables fine-tuning of overload protection to match specific load requirements and prevent premature breaker operation.

Applications & compatibility

This rating plug is essential for applications requiring precise overload protection within Schneider Electric's MasterPact and Compact NS circuit breaker systems. It is commonly found in industrial facilities, data centers, and commercial buildings where reliable power distribution and equipment safeguarding are paramount. Its adjustable settings make it suitable for a wide range of machinery and electrical loads.

Available from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the 33543 or contact our technical team for cross-reference assistance with compatible MicroLogic trip unit components.