1746-NI4

熱繼電器的主要技術(shù)數(shù)據(jù)是整定電流。整定電流是指長期通過發(fā)熱元件而不致使熱繼電器動作的最大電流。當(dāng)發(fā)熱元件中通過的電流超過整定電流值的20％時，熱繼電器應(yīng)在20分鐘內(nèi)動作。熱繼電器的整定電流大小可通過整定電流旋鈕來改變。選用和整定熱繼電器時一定要使整定電流值與電動機的額定電流一致。

由于熱繼電器是受熱而動作的，熱慣性較大，因而即使通過發(fā)熱元件的電流短時間內(nèi)超過整定電流幾倍，熱繼電器也不會立即動作。只有這樣，在電動機起動時熱繼電器才不會因起動電流大而動作，否則電動機將無法起動。反之，如果電流超過整定電流不多，但時間一長也會動作。由此可見，熱繼電器與熔斷器的作用是不同的，熱繼電器只能作過載保護而不能作短路保護，而熔斷器則只能作短路保護而不能作過載保護。在一個較完善的控制電路中，特別是容量較大的電動機中，這兩種保護都應(yīng)具備。

備貨，備貨，降降降，火火火，火火火……
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公司名稱：廈門泰尼電氣有限公司
聯(lián)系人：小黃（銷售代表）
聯(lián)系電話：0592-6809319
傳真號碼：0592-6890859（麻煩備注01006收）
手機：189-5019-1386微信同號
QQ號碼:2917675397
地址：廈門市海滄區(qū)海滄農(nóng)場海農(nóng)北里17號
誠信經(jīng)營，質(zhì)量為首，誠信至上，泰尼電氣小黃竭誠為您服務(wù)！！！
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Advantech HMI-641S 6" STN VGA NEW
Agilent 04142-61011
Olympus MSPlan 100 1.25 oil ∞/- f=180
Kubota KL-D7221 (KL-D7221E)
Advent AVR 3952 receiver
Shimadzu part assy 541-28788 541-2878801H
Advantech PPC-60S-RT NEW
Adam 5000/TCP & ADAM-5055S & ADAM-5017H (3)
Siemens 6SE1200-7AA10-1
Omron NT10S-SF122 interactive display
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Ampere macro 6720 M-6720 PC-173C
Aerotech DP32030 Rev. C3
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Precision micro control DCX-PC100 Rev. E card
Woodward 16 channel discrete input node 5465-016 Rev. B
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Advantech MPC-100E MPC-100E-HOUCE1
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Chuo seiki stage MMU-40X with vexta motor PH533-NB-C30
HP laser head 5517B cable and power supply 280uW
Canon BG9-2242 BG9-2243 BH8-0320-01D
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ERSA micro-con 60iA
Canon BG9-3712 BH8-0677-0?3 IL I/F PCB
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Keyence BL-601HAC1
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Canon BG9-3498 BH8-0668-02 IPIF-II
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Eltec SAC 3-1 & CONV-3
Deltron Quad output switcher 10963XA NIB
Branson 2000 2000ea 40:0.4 EDP no.: 100-132-527
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Heidenhain EXE 612 Id.Nr. 271 183-01 NEW
K&S N08002-1120-000-33
Semitool rotor A182-50M-0215 H-BAR IN BAL 0-25 2800RPM
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Canon BH8-0778-01 BG9-3770 BG8-3007
Camelot systems 12829B Rev. C P/N: 12828B
Canon BG9-3767 BH8-0772-03 IL-SHDRV-PCB
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Camelot systems P/N: 12428B Rev. D
Canon BH8-0774-03 BG9-3768 BG8-3004
Excel precision receiver interferometer 1031F and cable
Air bearing technology motor spindle
Advantech FPM-3100HT-T NIB
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Advantech PPC-100T PPC-100T+T/S
Oxford microanalysis 1128-336 with 1128-342
Temptronic thermochuck 8 inch dia.
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Oxford X-ray ADC assy 1128-345
Oxford microanalysis pulse processor assy. 1128-344
Osram mercury short arc lamp HBO 1500W/CIEL NEW
Mitsubishi MELSEC A2NCPU and others PLC assembly
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RVSI 375501 anorad VPC-2000A & VPC-2000B
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Micrion 150-1300 Rev.: A2
Micrion 150-1522 Rev.D
Micrion 150-1525 Rev.D2
Fanuc A16B-1211-0170/11E
Olympus MDPlan 150 0.95 ∞/0 f=180
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Micrion 150-15060 Rev.C
DRV1W-SA M7651-PA Rev: C03
KZQSA M5976-SA Rev: C01
Rohde & Schwarz vector network analyzer ZVR
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Micrion 150-1842 Rev.C
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Fanuc A16B-1212-0120/01A
Micrion 150-1583 Rev.C3
Matrox QRGB-GRAPH 173-D06-02 QRGB-G/64/4
Micrion 150-1492 Rev.B2
Micrion 150-1630 Rev.A2
Micrion 150-1620 Rev.: B1
Micrion 150-691 Rev.A1
Shimadzu assy 206-18883D board 206-18884C for UV-1200
Cole parmer 92000-00 12 ch thermocouple scanner
Sinetic technologies DM-121W
Fanuc A16B-2200-0211 A16B-2200-0211/05A
12 inch chuck 96V 1450W 6/03 273194
Olympus MSPlan 100 0.95 ∞/- f=180 IC100
Mitsubishi melsec AD51
Olympus NeoSPlan 50 NIC 0.70 ∞/0 f=180 IC 50
USHIO SUV-2501NIL NEW
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Siemens G32918-K0112-U501-04-U1
Olympus NeoSPlan 20 NIC 0.40 ∞/0 f=180 IC20
Moritex side winder DPS
Pfeiffer balzers TPH170
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