作為控制元件，概括起來，繼電器有如下幾種作用：
上海祥樹B+RX20 IF2772
1） 擴(kuò)大控制范圍：例如，多觸點(diǎn)繼電器控制信號(hào)達(dá)到某一定值時(shí)，可以按觸點(diǎn)組的不同形式，同時(shí)換接、開斷、接通多路電路。
上海祥樹B+RX20 IF2772
上海祥樹B+RX20 IF2772
MTS RPS0700MD601A01
ZIMMER GH6040-B
IFS IFE2000D/IFEZ131
REXROTH R901119288 M-3SED 10 CK1X/350CG24N9XNZ4
ELCIS I/XH3810-250-5-B-T-CV-R-01
REXROTH R900880721
MONROE 287/22C
MTS EHM0150MD341A01
IME DGP 96 0...1999 20÷150Vdc 信號(hào) 4÷20mA
MTS EHM0150MD341A01
MOOG D662-4010/D02HABF6VSX2-A
WORNER KFI-I-B-W-210 220V
KNOLL 69418
NORIS FA1J-4A-70
SCHMERSAL BPS 33
HYCON WE06DH03C0240-K
SUCO 0161-43814-1-001
VDO 805/1/1 6-24V 120℃ 801
THOMAS 776 SEK 197
NORDSON 322414 SATURN GUN NOZZLE (0.014")
SCHUNK MMS-P-22-S-M8-PNP 0301370
HAFFMANS 112.021
ELCO SMR6306 SGT3
ACLAWERKE ACLATHAN(ART.NR.140310)/330/254*127
DELTA EL10-M/VRFD-JC-SA 220VAC
MOOG D663Z4307K/P02JONF6VSX2-A
REXROTH R900316232
SCHUNK 0371149 PGN+50-2
SCHUNK 9936357
SCHUBERT+SALZER Type 8049--4 max:6bar 24VDC
REXROTH R900420312 MS 2 A2X/100 0/03.97397.019
E+L SE 2640 348573
HAFFMANS 000.745
CAPTRON CHT3-151P-H/TG-SR
BEDIA 500292
ELFIN 050PE13C
TWK RP13/50-KV-KH-L1-A02
MTS RHM0050MH051A01
SITEC 791.52.0018-3
LEESON C6T17FK7K
ELETTROTEC LM1CFPA150
WEBER 4311.30/18
MGV DG37-05121-2G O/P:DC U01:+5.2V/8A U02:+12V/3A U03:-12V/1A I/P:DC24V
ZIMMER UBPS 4501 CS1/01 K.00003.291.38.00
ELECTRO FC132M-4
EFB ELEKTRONIK K5460.2
KATSA L185-8.06P
WEBER 3201.03.NMA 24VDC Art-Nr：00072204 ven-captor3201.03
HEIDENHAIN 557649-07
TWK CRD 65-4096 R 4096 C2 Z01 S/N:665281
DONALDSON P165878
GEMU 蓋米825815D11221 24V 8W
NORDSON 1028331 Kit service fuse hose/gun module P4/P7/P10
HERZOG 8-2494-334069-2
HILMA WH1R-G24-2.9220-6004
R+W ES2/0020/EF
MAZURCZAK ETB2
WIKA 9074082
SCHUNK 0301265
