KJ3203X1-BA1 12P3270X032 EMERSON

EMERSON KJ3204X1-BA1 12P3275X022
EMERSON PR6423/000-010 CON021
EMERSON KJ3003X1-EA1 12P0921X042
EMERSON KJ4001X1-CH1 12P1811X032
EMERSON KJ4001X1-CG1 12P1812X042
EMERSON KJ4001X1-CC1 12P0733X042

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我们假设输出断开为安全状态,那么图3的可靠性要比图2的高。这是因为SB1SB2都有发生故障的可能,而最常见的现象是输入电路开路。当采用图3电路时,不论SB1SB2开关本身开路还是接线开路,输出都为安全状态,保证了系统的安全和可靠。

New Xerox 064K01610 P/R MOD ALDEB CTD.L4L.SP

Brand New Linksys SVR200 Wireless-G ADSL Service Router

THOMSON P24-21B5-08RD TOLLO LINEAR ACTUATOR

HP Software Kit ver 8.0.1 for HP Indigo 7000 Press