描述
接地体和接地网干线所用钢材规格可按下表选用，若接地电阻满足不了要求时，也可选用铜材。如果接地体和接地网干线安装在腐蚀性较强的场所，应根据腐蚀的性质采取热镀锌、热镀锡等防腐措施或适当加大截面。
SAFEMASTER BN5983 EMERGENCY STOP SAFETY RELAY
EMERGENCY STOP RELAY SAFEMASTER BN 5930.48 NEW
DOLD Safemaster BN5983.53 Safety Relay No DOAs
Dold Safemaster Relay BG5924
Siemens Simatic 6ES5947-3UR21 CPU Module
Siemens 6AV1242-0AB10 CPU Card
Cummins 6BT Injector pump recon.
Yokogawa ADMAG AXF050G Magnetic Flowmeter NEW
