BENTLY 146031-01 地电位

BENTLY 1900/65A
BENTLY 135473-01
BENTLY 136180-01
BENTLY 149369-01
BENTLY 163179-01
BENTLY 163179-02
BENTLY 3500/22M
BENTLY 163179-02
BENTLY 135489-01
BENTLY 135473-01
BENTLY 3500/33-01-00
BENTLY 330703-000-060-10-02-00
BENTLY 330730-040-00-00
BENTLY 330703-000-060-10-02-00
BENTLY 330780-50-00
BENTLY 330730-040-00-00

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Description

靠考查其在类似工作中的应用实绩。在选择国外进口产品要注意:我国是采用220V高内阻电网制式,而欧美地区是110V低内阻电网。由于我国电网内阻大,零点电位漂移大,地电位变化大,工业企业现场的电磁干扰至少要比欧美地区高4倍以上,对系统抗干扰性能要求更高,在国外能正常工作的PLC产品在国内工业就不一定能可靠运行,这就要在采用国外产品时,按我国的标准(GB/T13926)合理选择。

Klockner-Moelle​r N11-500-CNA, 600v 500A Disconnect Nice

Siemens 1FK6060-6AF71-1​AG2 Servo Motor

Siemens 1FT6064-1AF71-4​EG1 Servo Motor Rebuilt

Square D NQOD424M100CU 100Amp panelboard interior NEW

Square D NQOD430M100CU 100A panelboard interior NEW