如何选购TYCO RM520继电器模块

 PEPPERL+FUCHS接近传感器106325/NJ50-FP-N-P1
PEPPERL+FUCHS编码器PVM58I-011AGR0BN-1213
浮子开关00-10-07-16
ATLAS COPCO控制单元1900-0710-31
HDI电池HDIBATT-E260-DOT-AA
SIEMENS屏62124-0UC02-0AX0
压力开关060-126491
压力开关060-110191
PEPPERL+FUCHS接近开关（检查脉冲）106685
CONSILIUM隔离底座EV-SPB-BI
密封圈O-RING3803-6423-00
垫圈GASKET RING2710-1202-00
CAMERON管接头390E-03544-C05
NICOTRA GEBHARDT皮带轮1SPZ-85
NICOTRA GEBHARDT皮带轮1210-19
OILGEAR滤器单向阀堵头M1748N
OILGEAR滤器M1333
SCANA SKARPENORD遥控阀紧急操作块截止阀306.128.64
SCANA SKARPENORD黏结密封圈208.692.52
电机J2132SX24406HZ
电磁阀线圈VDE37/19×40
硬盘B269-0103-CFE-001-080
存储卡0103-CFE-001-031
限位开关TXP-M2WYNPM
压力开关051-2205
防爆风压开关1950-5-2F
空调压缩机06DA8252BC0650
压缩机AQAW77X
接口板37000-00086
GEA驱动轴维修包2059-9902-100
GEA板2048-9879-010
GEA橡胶密封圈0007-2393-750
GEA尼龙垫片0007-3543-840
GEA尼龙垫片0007-3542-840
GEA内六角螺栓0019-6122-400