PTC 电阻器实现极性反接、阻隔和过载的电子保护，以及部分阻抗保护 叶轮由玻璃纤维强化塑料 PA 制成。 带有接地接线片 M4 x 8 螺钉的外壳。 通过引线 AWG22 TR64 外连接到剥离端和镀锡端 ### 直流轴线
**Features:**
* Electronically Commutated External Rotor Motor
* Fully Integrated Commutation Electronics
* Electronic Protection Against Reverse Polarity, Blocking and Overloading By PTC-Resistor Partially Impedance Protected
* Fiberglass Reinforced PBTP Plastic Housing
* Fiberglass Reinforced PA Plastic Impeller
* Air Exhaust Over Struts
* Counterclockwise Rotation Looking at Rotor
* Mounting from Either Face Using Four 4.3 mm Holes
* Electrical Connection Via Two 22 AWG, TR 64 Stripped and Tinned Leads
* UL, CSA, VDE Approvals on Some Models