Removable Circuit Breaker Assembly for PDU Orientation Flexibility
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Solution Overview
Problem
Current power distribution units (PDUs) are limited to a single orientation due to safety standards, restricting their use in multiple environments and requiring multiple stock keeping units (SKUs) to accommodate different orientations, which limits flexibility and increases inventory needs.
Innovation Solution
A removable circuit breaker assembly that can be rotated 180 degrees to maintain compliance with safety standards when the power cord orientation changes, allowing the same PDU to be used in various environments without violating safety requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the PDU is designed with a fixed circuit breaker orientation to comply with safety standards, then safety compliance is ensured, but the PDU cannot be used in multiple orientations and environments
Solution Approach 1:
The circuit breaker assembly is separated from the main PDU body, allowing it to be removed and reinstalled in different orientations. This segmentation enables the PDU to be used in multiple orientations while maintaining safety compliance through proper circuit breaker positioning in each orientation.
Solution Approach 2:
The circuit breaker assembly is designed to be dynamically reconfigurable between different orientations. The removable design allows the circuit breaker to be repositioned from a first orientation to a second orientation (180 degrees apart), enabling the PDU to adapt to different installation environments while maintaining safety standards.
2Adaptability or versatility
If multiple PDUs with different fixed orientations are manufactured to accommodate different environments, then all orientation requirements are met, but inventory complexity and costs increase
Solution Approach 1:
A single PDU design with a removable circuit breaker assembly can serve multiple functions and orientations. Instead of manufacturing separate PDUs for different orientations, the universal design allows one PDU model to be configured for various environments by simply reorienting the circuit breaker assembly, thereby simplifying inventory management.
3Adaptability or versatility
If the circuit breaker assembly is made removable and reconfigurable, then orientation flexibility is improved, but the device structure becomes more complex
Solution Approach 1:
By segmenting the circuit breaker assembly from the main PDU body, the design achieves orientation flexibility through a straightforward removable connection rather than a complex reconfigurable mechanism. This segmentation provides a simple yet effective solution that minimizes structural complexity while maximizing adaptability.
Data Source
AI summary
Examples described herein relate to circuit breaker assemblies with changeable orientation. In one example, an apparatus includes a circuit breaker assembly and a circuit breaker housing to receive the circuit breaker assembly. The circuit breaker assembly includes a circuit breaker including a contact, a cover plate attached to a surface of the circuit breaker, and a handle movable between a first position and a second position. The circuit breaker assembly is removably attachable to the circuit breaker housing to change an orientation of the circuit breaker assembly.