描述
保护地(CG,Cabinet Grounding)
是为了防止设备外壳的静电荷积累、避免造成人身伤害而采取的保护措施。DCS系统所有的操作员机柜、现场控制站机柜、打印机、端子柜等均应接保护地。保护地应接至厂区电气专业接地网,接地电阻小于4Ω。
NEW BEI Encoder H25E-F1-SS-2500?-ABZC-8830-SM18?-S
CHROMALOX HEATING ELEMENT 393-071215-030, 230V 3000W
TYCO Termi-Point Tool, with clips (P/N 4-330495-2)
TYCO Pneumatic Crimp Gun with Clips
S&S X-RAY 6 Panel Film Illuminator #140006
PHOENIX CONTACT/ FLKM D37,FLKM D37/S/LA SUB & TERMINALS
Precision Gear Hobbling Fixtures with Expanding Sleeves
093.1415 093.1414