Phoenix Contact 28 V 交流，40 V 直流 20kA 保护插头, DIN 导轨安装, 17.7 x 52 x 45mm
**PLUGTRAB PT- IQ Surge Protection Plugs**
PLUGTRAB PT- IQ Intelligent and systematic surge protection plugs for the PLUGTRAB PT- IQ surge protection system. The PLUGTRAB PT- IQ protective systems has unique three stage display which indicates damaged as well as failed plugs. The three display stages are: Green - OK; Yellow - Performance limit reached and replacement recommended; Red - Overloaded and replacement required. The replacement PLUGTRAB PT-IQ Plugs are for both the direct and indirect grounding connection options.