上海益博機(jī)電設(shè)備有限公司供應(yīng)德國(guó)皮爾茲繼電器787303 PNOZ X2P C 24VACDC 2n/o，PILZ安全繼電器與一般繼電器的主要差別在哪里?　所謂“PILZ安全繼電器"并不是“*的繼電器"，而是發(fā)生故障時(shí)做出有規(guī)則的動(dòng)作，它具有強(qiáng)制導(dǎo)向接點(diǎn)結(jié)構(gòu)，萬(wàn)一發(fā)生接點(diǎn)熔結(jié)現(xiàn)象時(shí)也能確保安全，這一點(diǎn)同一般繼電器*不同。或傳真詢價(jià)！

PILZ安全繼電器   德國(guó)皮爾茲   787303 PNOZ X2P C 24VACDC 2n/o   皮爾茲型號(hào)  PILZ總            787148 PZE 9P C 24VACDC 100-240VACDC 8n/o 1n/c
787150 PZE X5P C 24VDC 5n/o 2so
787250 DUMMY MODULE PNOZ DM X2.7P/X2.8P C
787251 DUMMY MODULE PZE DM 9P C
787252 DUMMY MODULE PZE DM X4P C
787253 DUMMY MODULE PNOZ DM XV3.1P C
787254 DUMMY MODULE PZE DM X4VP C
787300 PNOZ X2.9P C 24VDC 3n/o 1n/c
787301 PNOZ X2.8P C 24VACDC 3n/o 1n/c
787302 PNOZ X2.8P C 24-240VAC/DC 3n/o 1n/c
787303 PNOZ X2P C 24VACDC 2n/o
787304 PNOZ X2.3P C 24VACDC 3n/o
787305 PNOZ X2.7P C 24VACDC 3n/o 1n/c
474652 PNOZ 1-2 230VAC 3n/o1n/c
474696 PNOZ 1-2 24VDC 3n/o 1n/c
474760 PNOZ 8 24VDC 3n/o 1n/c 2so
474768 PNOZ 8 230VAC 3n/o 1n/c 2so
474789 PNOZ V 3/24VDC 3n/o 1n/c 1n/o t fix
474790 PNOZ V 30/24VDC 3n/o 1n/c 1n/o t fix
474791 PNOZ V 300/24VDC 3n/o 1n/c 1n/o fix
474796 PNOZ V 3S 24VDC 3n/o 1n/c 1n/o t fix
474799 PNOZ V 10S 24VDC 3n/o 1n/c 1n/o t fix
474899 PNOZ 6 24VDC
474908 PNOZ 6 230VAC
474910 PZE5 24VDC 4n/o 1n/c
474919 PZE5 230VAC 4n/o 1n/c
474943 PSWZ 230VAC 2n/o 1n/c 1so
474945 PSWZ 24VDC 2n/o 1n/c 1so
475650 PNOZ 1 230VAC 3n/o1n/c
475695 PNOZ 1 24VDC
720300 PST 4 24VDC 6n/o 4n/c
720309 PST 4 230VAC 6n/o 4n/c
774013 PNOZ 2VQ 24VDC 3n/o 1n/c 1n/o t 1n/o t
774017 PZW 30 230VAC 1n/o 2n/c
774019 PZW 30 24VDC 1n/o 2n/c
774026 PZA 300 230VAC 1n/o 2n/c
774029 PZA 300 24VDC 1n/o 2n/c
774030 PZA 30 24VDC 1n/o 2n/c
774040 PZA 30 230VAC 1n/o 2n/c
774042 PZW 3 24VDC 1n/o 2n/c
774048 PZW 3 230VAC 1n/o 2n/c
774056 PNOZ X7 230VAC 2n/o
774059 PNOZ X7 24VDC7AC 2 n/o
774066 PNOZ 16 230VAC724VDC 2n/o
774076 PNOZ 16S 230VAC724VDC 2n/o 1so  皮爾茲型號(hào)                                                                    774080 PNOZ 11 24VAC/VDC
774086 PNOZ 11 230VAC/24VDC 7n/o 1n/c
774100 PNOZ Ex 230VAC 3n/o1n/c DMT
774148 PZE9 230 VAC 8n/o 1n/c
774150 PZE9 24VDC 8n/o 1n/c
774300 PNOZ X1 24 VAC/24VDC
774303 PNOZ X2 24VACDC 2n/o
774304 PNOZ X2C 24VAC/DC 2n/o
774305 PNOZ X2.1C 24VAC/DC 2n/o
774306 PNOZ X2. 1 24VACDC 2n/o
774310 PNOZ X3 24 VACDC
774318 PNOZ X3 230VAC/24VDC 3n/o 1n/c
774325 PNOZ X5 24VDC 2n/o
774326 PNOZ X5 12VDC 2n/o
774340 P2HZ X1 24VDC 3n/o 1n/c
774350 P2HZ X3 24VDC 2n/o 1n/c
774360 P1HZ X1 24VDC 2n/o
774400 PDZ 24 VDC 2n/o 2n/c
774402 PAD/SI 800/512I/5 VDC
774403 PAD/SI 800/1024I/5 VDC
774404 PAD/SI 800/2048I/5 VDC
774405 PAD/SI 800/4096I/5 VDC
774406 PAD/SI 840/512I/5 VDC
774407 PAD/SI 840/1024I/5 VDC
774408 PAD/SI 840/2048I/5 VDC
774409 PAD/SI 840/4096I/5 VDC
774410 PAD/SI 800/32I/5 VDC
774411 PAD/SI 840/256I/5 VDC
774412 PAD/SI 840/128I/5 VDC
774413 PAD/SI 840/64I/5 VDC
774414 PAD/SI 8400/32I/5 VDC
774415 PAD/SI 840/16I/5 VDC
774438 P2HZ X1 230VAC 3n/o 1n/c
774500 PNOZ XV2 30/24VDC 2n/o 2n/o t
774502 PNOZ XV2 3/24VDC 2n/o 2n/o t
774504 PNOZ XV2 0.5/24VDC 2n/o 2n/o t fix
774505 PNOZ XV2 3/24VDC 2n/o 2n/o t fix
774506 PNOZ XV2 10/24VDC 2n/o 2n/o t fix
774508 PNOZ XV2 300/24VDC 2n/o 2n/o t
774510 PNOZ XV2.1 30/24VAC/24VDC 2n/o 2n/o t
774516 PNOZ XV2.1 30/230VAC/24VDC 2n/o 2n/o t
774520 PNOZ XV2.1 3/24VAC/24VDC 2n/o 2n/o t
774526 PNOZ XV2.1 3/230VAC/24VDC 2n/o 2n/o t
774530 PNOZ XV3.1 30/24VDC 3n/o 1n/c 2n/o t
774532 PNOZ XV3.1 3/24VDC 3n/o 1n/c 2n/o t
774534 PNOZ XV3.1 0.5/24VDC 3n/o 1n/c 2n/o fix
774535 PNOZ XV3.1 3/24VDC 3n/o 1n/c 2n/o t fix
774536 PNOZ XV2.1 0.5/230VAC/24VDC 2n/o 2n/o t fix
774537 PNOZ XV3.1 10/24VDC 3n/o 1n/c 2n/o t fix
774538 PNOZ XV3.1 300/24VDC 3n/o 1n/c 2n/o t
774540 PNOZ XV3 30/24VDC 3n/o 2n/o t
774542 PNOZ XV3 3/24VDC 3n/o 2n/o t
774544 PNOZ XV3 0.5/24VDC 3n/o 2n/o t fix
774545 PNOZ XV3 3/24VDC 3n/o 2n/o t fix
774546 PNOZ XV2.1 3/230VAC/24VDC 2n/o 2n/o t fix
774547 PNOZ XV3 10/24VDC 3n/o 2n/o t fix
774548 PNOZ XV3 300/24VDC 3n/o 2n/o t
774549 PNOZ X13 24VDC 5n/o 1n/c
774550 PNOZ XV2.1 30/24-240VACDC 2n/o 2n/o t
774552 PNOZ XV2.1 3/24-240VACDC 2n/o 2n/o t
774554 PNOZ XV2.1 0.5/24-240VACDC 2n/o 2n/o fix
774555 PNOZ XV2.1 3/24-240VACDC 2n/o 2n/o fix
774556 PNOZ XV2.1 10/230VAC/24VDC 2n/o 2n/o t fix
774557 PNOZ XV 2.1 10/24-240VACDC 2n/o 2n/o fix
774558 PNOZ XV2.1 300/24-240VACDC 2n/o 2n/o t
774560 PNOZ XHC 24VDC 2n/o
774508 PNOZ XV2 300/24VDC 2n/o 2n/o t
774510 PNOZ XV2.1 30/24VAC 24VDC 2n/o 2n/o t
774515 PNOZ XV2.1 30/120VAC 24VDC 2n/o 2n/o t
774516 PNOZ XV2.1 30/230VAC 24VDC 2n/o 2n/o t
774517 PNOZ X2.4V 1/24VDC 4n/o 1so fix
774520 PNOZ XV2.1 3/24VAC 24VDC 2n/o 2n/o t
774524 PNOZ XV2.1 3/115VAC 24VDC 2n/o 2n/o t
774525 PNOZ XV2.1 3/120VAC 24VDC 2n/o 2n/o t
774526 PNOZ XV2.1 3/230VAC 24VDC 2n/o 2n/o t
774530 PNOZ XV3.1 30/24VDC 3n/o 1n/c 2n/o t
774532 PNOZ XV3.1 3/24VDC 3n/o 1n/c 2n/o t
774534 PNOZ XV3.1 0.5/24 Vdc 3n/o 1n/c 2n/o fix
774536 PNOZ XV2.1 0.5/230 Vac 24 Vdc 2n/o 2n/o f
774538 PNOZ XV3.1 300/24VDC 3n/o 1n/c 2n/o t
774540 PNOZ XV3 30/24VDC 3n/o 2n/o t
774541 PNOZ XV3 300/24VAC 3n/o 2n/o t
774542 PNOZ XV3 3/24VDC 3n/o 2n/o t
774544 PNOZ XV3 0.5/24VDC 3n/o 2n/o t fix
774545 PNOZ XV3 3/24VDC 3n/o 2n/o t fix
774546 PNOZ XV2.1 3/230 Vac/24 Vdc 2n/o 2n/o fix
774547 PNOZ XV3 10/24VDC 3n/o 2n/o t fix   PILZ皮爾茲                                                                        774548 PNOZ XV3 300/24VDC 3n/o 2n/o t
774549 PNOZ X13 24VDC 5n/o 1n/c
774550 PNOZ XV2.1 30/24-240VACDC 2n/o 2n/o t
774552 PNOZ XV2.1 3/24-240VACDC 2n/o 2n/o t
774554 PNOZ XV2.1 0.5/24-240 VacDC 2n/o 2n/o fix
774558 PNOZ XV2.1 300/24-240VACDC 2n/o 2n/o t
774560 PNOZ XHCV 0,7/24VDC 2n/o fix
774573 MOD PS 85-265 Vac
774578 PPS 100-240VAC / 24VDC
774580 PZE X4V 0,5/24VDC 4n/o fix
774581 PZE X4V 1/24VDC 4n/o fix
774582 PZE X4V 2/24VDC 4n/o fix
774583 PZE X4V 3/24VDC 4n/o fix
774584 PZE X4V8 24VDC 4n/o
774585 PZE X4 24VDC 4n/o
774586 PZE X4V 0,7/24VDC 4n/o fix
774590 PZE X5V 3/48VDC 5n/o fix
774592 PZE X5V 1.5/24VDC 5n/o fix
774593 PZE X5V 3/24VDC 5n/o fix
774595 PZE X5 24VDC 5n/o
774601 PNOZ X9 42VAC 24VDC 7n/o 2n/c 2so
774605 PNOZ X9 100-120VAC 24VDC 7n/o 2n/c 2so
774606 PNOZ X9 200-230VAC 24VDC 7n/o 2n/c 2so
774607 PNOZ X2.2 24VAC/DC 2n/o
774608 PNOZ X9 200VAC 24VDC -774606
774609 PNOZ X9 24VAC 24VDC 7n/o 2 n/c 2so
774610 PNOZ XV3.1 30/24-240VACDC 3nc 2no t
774612 PNOZ XV3.1 3/24-240VACDC 3nc 2no t
774618 PNOZ XV3.1 300/24-240VACDC 3nc 2no t
774638 END-XM
774639 KOP-XE
774640 KOP-XE coated
774662 PCANdn 24VDC
774665 CAN-CONNECT
774666 PCANop - HB
774667 PCANdn - HB
774700 PNOZ X10 24VAC 6n/o 4n/c 3LED
774701 PNOZ X10 42VAC 6n/o 4n/c 3LED
774703 PNOZ X10 110-120VAC 6n/o 4n/c 3LED
774706 PNOZ X10 230-240VAC 6n/o 4n/c 3LED
774709 PNOZ X10 24VDC 6n/o 4n/c 3LED
774721 PNOZ X6 42VAC 3n/o
774725 PNOZ X6 110-120VAC 3n/o
774726 PNOZ X6 230-240VAC 3n/o
774729 PNOZ X6 24VAC 24VDC 3n/o
774730 PNOZ X4 24VDC 3n/o 1n/c
774731 PNOZ X4 24VAC 3n/o 1n/c
774732 PNOZ X4 24 Vdc 3n/o 1n/c white box
774734 PNOZ X4 110VAC 3n/o 1n/c
774735 PNOZ X4 115VAC 3n/o 1n/c
774736 PNOZ X4 120VAC 3n/o 1n/c
774738 PNOZ X4 230VAC 3n/o 1n/c
774739 PNOZ X4 240VAC 3n/o 1n/c
774740 PNOZ X10.1 24 VAC 6n/o 4n/c 6LED
774741 PNOZ X10.1 42 VAC 6n/o 4n/c 6LED
774745 PNOZ X10.1 110-120VAC 6n/o 4n/c 6LED
774746 PNOZ X10.1 230-240VAC 6n/o 4n/c 6LED
774749 PNOZ X10.1 24VDC 6n/o 4n/c 6LED
774789 PNOZ V 3s 24VDC 3n/o 1n/c 1n/o （t）
774790 PNOZ V 30s 24VDC 3n/o 1n/c 1n/o （t）
774791 PNOZ V 300s 24VDC 3n/o 1n/c 1n/o （t）
775505 PU3Z 120-240VAC 3n/o 1n/c 6so
775510 PU3Z 24VDC 3n/o 1n/c 6so
775600 PNOZ 1 24VAC 3n/o 1n/c
775620 PNOZ 1 48VAC 3n/o 1n/c
775630 PNOZ 1 110-120VAC 3n/o 1n/c
775650 PNOZ 1 230-240VAC 3n/o 1n/c
775695 PNOZ 1 24VDC 3n/o 1n/c
775730 BUCH MASCHINENSICHERHEIT
775735 Buch Maschinensicherheit, spanisch
777053 PNOZ X7P 110-120VAC 2n/o
777056 PNOZ X7P 230-240VAC 2n/o
777059 PNOZ X7P 24VAC/DC 2n/o
777070 PNOZ 16SP 24VAC 24VDC 2n/o
777071 PNOZ 16SP 42VAC 24VDC 2n/o
777072 PNOZ 16SP 48VAC 24VDC 2n/o
777073 PNOZ 16SP 110VAC 24VDC 2n/o
777074 PNOZ 16SP 115VAC 24VDC 2n/o
777075 PNOZ 16SP 120VAC 24VDC 2n/o
777076 PNOZ 16SP 230VAC 24VDC 2n/o
777077 PNOZ 16SP 240VAC 24VDC 2n/o
777080 PNOZ X11P 24VAC 24VDC 7n/o 1n/c 2so
777083 PNOZ X11P 110-120VAC 24VDC 7n/o 1n/c 2so
777086 PNOZ X11P 230-240VAC 24VDC 7n/o 1n/c 2so
777100 PNOZ X1P 24VDC 3n/o 1n/c
777140 PZE 9P 24VACDC 8n/o 1n/c
777148 PZE 9P 24VACDC 100-240VACDC 8n/o 1n/c
777150 PZE X5P 24VDC 5n/o 2so
777300 PNOZ X2.9P 24VDC 3n/o 1n/c
777301 PNOZ X2.8P 24VACDC 3n/o 1n/c
777302 PNOZ X2.8P 24-240VAC/DC 3n/o 1n/c
777303 PNOZ X2P 24VACDC 2n/o
777304 PNOZ X2.3P 24VACDC 3n/o
777305 PNOZ X2.7P 24VACDC 3n/o 1n/c
777306 PNOZ X2.7P 24-240VAC/DC 3n/o 1n/c
777307 PNOZ X2P 48-240VACDC 2n/o
777308 PNOZ X2.5P 24VDC 2n/o 1so
777310 PNOZ X3P 24VDC 24VAC 3n/o 1n/c 1so
777313 PNOZ X3P 24-240VACDC 3n/o 1n/c 1so
777314 PNOZ X3.10P 24VACDC 3n/o 1n/c 1so
777330 P2HZ X1P 24VAC 3n/o 1n/c 2so
777331 P2HZ X1P 42VAC 3n/o 1n/c 2so
777332 P2HZ X1P 48VAC 3n/o 1n/c 2so
777340 P2HZ X1P 24VDC 3n/o 1n/c 2so
777341 P2HZ X1.10P 24VDC 3n/o 1n/c 2so
777354 P2HZ X4P 24VAC 3n/o 1n/c
777355 P2HZ X4P 24VDC 3n/o 1n/c
777434 P2HZ X1P 110VAC 3n/o 1n/c 2so
777435 P2HZ X1P 115VAC 3n/o 1n/c 2so
777436 P2HZ X1P 120VAC 3n/o 1n/c 2so
777438 P2HZ X1P 230VAC 3n/o 1n/c 2so
777439 P2HZ X1P 240VAC 3n/o 1n/c 2so
777500 PNOZ XV2P 30/24VDC 2n/o 2n/o t
777502 PNOZ XV2P 3/24VDC 2n/o 2n/o t
777503 PNOZ XV2P 1/24VDC 2n/o 2n/o fix
777504 PNOZ XV2P 0.5/24VDC 2n/o 2n/o fix
777510 PNOZ XV3P 30/24 VDC 3n/o 2n/o t
777511 PNOZ XV3.3P 30/24VDC 3n/o 2n/o t
777512 PNOZ XV3P 3/24 VDC 3n/o 2n/o t
777514 PNOZ XV3P 0.5/24VDC 3n/o 2n/o t fix
777515 PNOZ XV3P 3/24 Vdc 3n/o 2n/o t fix
777517 PNOZ XV3P 10/24 Vdc 3n/o 2n/o t fix
777518 PNOZ XV3P 300/24VDC 3n/o 2n/o t
777520 PNOZ XV3.1P 30/24VDC 3n/o 1n/c 2n/o t
777522 PNOZ XV3.1P 3/24VDC 3n/o 1n/c 2n/o t
777525 PNOZ XV3.1P 3/24VDC 3n/o 1n/c 2n/o t fix
777530 PNOZ XV3.1P 30/24-240VACDC 3nc 2no t
777532 PNOZ XV3.1P 3/24-240VACDC 3nc 2no t
777538 PNOZ XV3.1P 300/24-240VACDC 3nc 2no
777540 PNOZ XV2.1P 30/24-240VACDC 2n/o 2n/o t
777542 PNOZ XV2.1P 3/24-240VACDC 2n/o 2n/o t
777544 PNOZ XV2.1P 0.5/24-240 VacDC 2n/o 2n/o fi
777545 PNOZ XV2.1P 3/24-240 VacDC 2n/o 2n/o fix
777547 PNOZ XV2.1P 10/24-240 VacDC 2n/o 2n/o fix
777548 PNOZ XV2.1P 300/24-240VACDC 2n/o 2n/o t
777580 PZE X4VP 0,5/24VDC 4n/o fix
777581 PZE X4VP 1/24VDC 4n/o fix
777582 PZE X4VP 2/24VDC 4n/o fix
777583 PZE X4VP 3/24VDC 4n/o fix
777584 PZE X4VP8 24VDC 4n/o
777585 PZE X4P 24VDC 4n/o
777586 PZE X4VP4 24VDC 4n/o
777587 PZE X4.1P 24VDC 4n/o
777588 PZE X4.1P 24-240VAC/DC 4n/o
777600 PNOZ X2.1VP 0.75/24VDC 1so 2n/o fix
777601 PNOZ XV1P 3/24VDC 2n/o 1n/o t
777602 PNOZ XV1P 30/24VDC 2n/o 1n/o t
777606 PNOZ X9P 24VDC 100-240VACDC 7no 2nc 2so
777607 PNOZ X9P 12VDC 7n/o 2n/c 2so
777609 PNOZ X9P 24VDC 7n/o 2n/c 2so
777750 PNOZ X10.11P 24VDC 6n/o 4n/c 6LED
777760 PNOZ X8P 24 VDC 3n/o 2n/c 2so
777764 PNOZ X8P 110VAC 3n/o 2n/c 2so
777765 PNOZ X8P 115VAC 3n/o 2n/c 2so
777766 PNOZ X8P 120VAC 3n/o 2n/c 2so
777768 PNOZ X8P 230VAC 3n/o 2n/c 2so
777770 PNOZ X8P 24VAC 3n/o 2n/c 2so
777949 PSWZ X1P 0,5V /24-240VACDC 2n/o 1n/c 2so
777950 PSWZ X1P 3V /24-240VACDC 2n/o 1n/c 2so
777951 PSWZ X1P 0,0075-0,5V/24-240VACDC
778010 PMUT X1P 24VDC 3n/o 1n/c 5so
779000 PNOZmulti Tool-Kit
779110 PNOZmulti Bus-Terminator
779112 PNOZmulti Bus-Terminator coated
779120 PNOZpower Bus-Terminator
779125 PNOZ pe2p Bus-Interface
779200 PNOZmulti Chipcard Set 10 pieces 8kB
779201 PNOZmulti Chipcard 1 piece 8kB
779211 PNOZmulti Chipcard 1 piece 32kB
779212 PNOZmulti Chipcard Set 10 pieces 32kB
779230 Chip Card Reader
779240 PNOZmulti Chipcard Holder （Sparepart）
779250 PNOZmulti Seal 10 pieces
783100 Set spring terminals PNOZ m0p/m1p/m2p
783400 Set spring term mi1p/mi2p/mo1p/mo3p/ml1p
783520 Set spring terminals PNOZ mo2p
783536 Set spring terminals PNOZ mo4p/mo5p
783537 10 Set spring terminals PNOZ mo4p/mo5p
783700 Set spring terminals PNOZ mc1p/ma1p
783800 Set spring terminals PNOZms1p/ms2p
784130 PNOZ e1p C 24VDC 2so
784131 PNOZ e1vp C 10/24VDC 1so 1so t
784132 PNOZ e1vp C 300/24VDC 1so 1so t
784133 PNOZ e1.1p C 24VDC 2so
784135 PNOZ e2.2p C 24VDC 2so
784136 PNOZ e2.1p C 24VDC 2so
784137 PNOZ e3vp C 10/24VDC 1so 1so t
784138 PNOZ e3vp C 300/24VDC 1so 1so t
784139 PNOZ e3.1p C 24VDC 2so
784180 PNOZ e4.1p C 24VDC 2so
784181 PNOZ e4vp C 10/24VDC 1so 1so t
784190 PNOZ e5.11p C 24VDC 2so
784191 PNOZ e5.13p C 24VDC 2so
784192 PNOZ e6.1p C 24VDC 4n/o 2so
784193 PNOZ e6vp C 24VDC 4n/o 1so 1so t
787053 PNOZ X7P C 110-120VAC 2n/o
787056 PNOZ X7P C 230-240VAC 2n/o
787059 PNOZ X7P C 24VAC/DC 2n/o
787070 PNOZ 16SP C 24VAC 24VDC 2n/o
787071 PNOZ 16SP C 42VAC 24VDC 2n/o
787072 PNOZ 16SP C 48VAC 24VDC 2n/o
787073 PNOZ 16SP C 110VAC 24VDC 2n/o
787074 PNOZ 16SP C 115VAC 24VDC 2n/o
787075 PNOZ 16SP C 120VAC 24VDC 2n/o
787076 PNOZ 16SP C 230VAC 24VDC 2n/o
787077 PNOZ 16SP C 240VAC 24VDC 2n/o
787080 PNOZ X11P C 24VAC 24VDC 7n/o 1n/c 2so
787083 PNOZ X11P C 110-120VAC 7n/o 1n/c 2so
787086 PNOZ X11P C 230-240VAC 7n/o 1n/c 2so
787100 PNOZ X1P C 24VDC 3n/o 1n/c
787140 PZE 9P C 24VACDC 8n/o 1n/c
PILZ安全繼電器的原理　　PILZ安全繼電器一般由鐵芯、線圈、銜鐵、觸點(diǎn)簧片等組成的。只要在線圈兩端加上一定的電壓，線圈中就會(huì)流過(guò)一定的電流，從而產(chǎn)生電磁效應(yīng)，銜鐵就會(huì)在電磁力吸引的作用下克服返回彈簧的拉力吸向鐵芯，從而帶動(dòng)銜鐵的動(dòng)觸點(diǎn)與靜觸點(diǎn)（常開觸點(diǎn)）吸合。當(dāng)線圈斷電后，電磁的吸力也隨之消失，銜鐵就會(huì)在彈簧的反作用力返回原來(lái)的位置，使動(dòng)觸點(diǎn)與原來(lái)的靜觸點(diǎn)（常閉觸點(diǎn)）吸合。這樣吸合、釋放，從而達(dá)到了在電路中的導(dǎo)通、切斷的目的。對(duì)于繼電器的“常開、常閉”觸點(diǎn)，可以這樣來(lái)區(qū)分：繼電器線圈未通電時(shí)處于斷開狀態(tài)的靜觸點(diǎn)，稱為“常開觸點(diǎn)”；處于接通狀態(tài)的靜觸點(diǎn)稱為“常閉觸點(diǎn)”?；虬l(fā)傳真詢價(jià)！