销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Allied Electronics | PB4R | Opto 22 | Mounting Rack, Standard, Digital, Direct Connect, 4 Channel Output Module | +1:$76.91 +5:$73.06 +10:$71.59 |
 Carlton-Bates Company | PB4R | Opto 22 | I/O Module Mounting Rack 22 Sl | 1 : $51.67
|
 Digi-Key 得捷电子 | PB4R | Crydom | I/O MOUNTING BOARD STANDARD 4POS | 10 : $84.22 1 : $88.37
|
 element14 Asia-Pacific | PB4R | Crouzet | SOLID STATE RELAYS ACCESSORIES RoHS : Compliant | 1 : $418.940002 5 : $408.799988 10 : $398.720001 20 : $390.160004 50 : $380.880005 100 : $379.730011
|
 element14 Asia-Pacific | PB4R | Opto 22 | OUTPUT MODULE RACK RoHS : Not Compliant | 1 : $605.0 15 : $583.0 25 : $572.0 50 : $561.0 100 : $544.5
|
 Master Electronics | PB4R | Opto 22 | | 1 : $46.75
|
 Mouser 贸泽电子 | PB4R | Crydom | I/O 模块 I/O Mounting Board | 1:¥741.732 10:¥706.4647 25:¥690.4074 50:¥674.3501
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