销售商 | 型号 | 制造商 | 功能描述 | 价格 |
 Allied Electronics | SR2B121B | Schneider Electric | Compact Smart Relay/Programmable, 12 I/O, 24VAC w/LCD, Zelio Logic SR2 Series | +1:$399.67 +3:$379.69 |
 Allied Electronics | SR2B121BD | Schneider Electric | Smart Relay, Programmable, 24VDC, 12-Pin, Zelio Logic SR2 Series | +1:$411.25 +3:$399.34 +6:$388.08 +15:$382.69 |
 Mouser 贸泽电子 | SR2B121B | Schneider Electric | 工业继电器 SR2 12 I-O 24VAC w/ display | 价格未公开 |
 Mouser 贸泽电子 | SR2B121BD | Schneider Electric | 工业继电器 SR2 12 I-O 24 VDC w/ display | 价格未公开 |