What is the main difference between the M8 and the M12, M9 series connectors?
Core Differences Between M8, M9 and M12 Series Connectors
Difference Core Dimension
- Size & Bearing Capacity & Application Scenario : The essential differences of the three series of circular connectors focus on thread size, power/signal bearing capacity, and the matching degree with different industrial application scenarios, with a clear gradient of performance and application.
Parameter Comparison & Scenario Adaptation Table
| Model | Thread Specification | Common Core Count | Rated Current/Voltage | Core Advantages | Applicable Scenario |
|---|---|---|---|---|---|
| M8 | 8mm | 3/4/6/8 PIN | 1-3A/30-60V | Smallest volume, suitable for micro equipment | Micro sensors, small current actuators, precision vision modules |
| M9 | 9mm | 2/3/4/5/6/7/8 PIN | 2-5A/60-125V | Moderate size, balance of compactness and bearing | Mid-range sensors, small motors, warehousing logistics sensing nodes |
| M12 | 12mm | 2-17 PIN | 4-10A/60-250V | Strong bearing capacity, most complete specifications | Industrial bus, high-power sensors, field bus equipment |
Technical Note: The three series of connectors form a complete product matrix for industrial circular connectors, covering from micro small-power to high-power heavy-duty application scenarios; the selection is mainly based on the actual installation space, power/signal transmission requirements and system bus specifications, and it is recommended to unify the model specification in the same system for standardized management.
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