德國(guó)PILZ安時(shí)間電器PNOZ X4,PILZ時(shí)間繼電器是一種利用電磁原理或機(jī)械原理實(shí)現(xiàn)延時(shí)控制的控制電器
它的種類很多，有空氣阻尼型、電動(dòng)型和電子型等。交流電路中常采用空氣阻尼型時(shí)間繼電器，它是利用空氣通過(guò)小孔節(jié)流的原理來(lái)獲得延時(shí)動(dòng)作的。它由電磁系統(tǒng)、延時(shí)機(jī)構(gòu)和觸點(diǎn)三部分組成。
pilz時(shí)間繼電器可分為通電延時(shí)型和斷電延時(shí)型兩種類型空氣阻尼型時(shí)間繼電器的延時(shí)范圍大（有0.4～60s和0.4～180s兩種）它結(jié)構(gòu)簡(jiǎn)單，但準(zhǔn)確度較低。當(dāng)線圈通電（電壓規(guī)格有ac380v、ac220v或dc220v、dc24v等）時(shí)，銜鐵及托板被鐵心吸引而瞬時(shí)下移，使瞬時(shí)動(dòng)作觸點(diǎn)接通或斷開(kāi)。但是活塞桿和杠桿不能同時(shí)跟著銜鐵一起下落，因?yàn)榛钊麠U的上端連著氣中的橡皮膜，當(dāng)活塞桿在釋放彈簧的作用下開(kāi)始向下運(yùn)動(dòng)時(shí)，橡皮膜隨之向下凹，上面空氣的空氣變得稀薄而使活塞桿受到阻尼作用而緩慢下降。經(jīng)過(guò)一定時(shí)間，活塞桿下降到一定位置，便通過(guò)杠桿推動(dòng)延時(shí)觸點(diǎn)動(dòng)作，使動(dòng)斷觸點(diǎn)斷開(kāi)，動(dòng)合觸點(diǎn)閉合。從線圈通電到延時(shí)觸點(diǎn)完成動(dòng)作，這段時(shí)間就是繼電器的延時(shí)時(shí)間。延時(shí)時(shí)間的長(zhǎng)短可以用螺釘調(diào)節(jié)空氣進(jìn)氣孔的大小來(lái)改變。 　　吸引線圈斷電后，繼電器依靠恢復(fù)彈簧的作用而復(fù)原。空氣經(jīng)出氣孔被迅速排出。
PILZ繼電器是具有隔離功能的自動(dòng)開(kāi)關(guān)元件，廣泛應(yīng)用于遙控、遙測(cè)、  繼電器（圖3）
通訊、自動(dòng)控制、機(jī)電一體化及電力電子設(shè)備中，是zui重要的控制元件之一。 　　繼電器一般都有能反映一定輸入變量（如電流、電壓、功率、阻抗、頻率、溫度、壓力、速度、光等）的感應(yīng)機(jī)構(gòu)（輸入部分）；有能對(duì)被控電路實(shí)現(xiàn)“通”、“斷”控制的執(zhí)行機(jī)構(gòu)（輸出部分）；在繼電器的輸入部分和輸出部分之間，還有對(duì)輸入量進(jìn)行耦合隔離，功能處理和對(duì)輸出部分進(jìn)行驅(qū)動(dòng)的中間機(jī)構(gòu)（驅(qū)動(dòng)部分）
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德國(guó)PILZ安時(shí)間電器PNOZ X4
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 
德國(guó)PILZ安時(shí)間電器PNOZ X4