描述
低壓配電線路,為了防護在發(fā)生故障(如過載、短路和接地故障)時危及人身安全(間接接觸導致的電擊),或是線路過熱而導致?lián)p壞甚至引起電氣火災,配電線路應有必要的防護措施,以保護線路安全和用電安全。由于低壓配電線路遍布各種建筑以致戶外各處,發(fā)生故障的幾率大,而且有大量非專業(yè)人員可能接觸,更顯得這種防護特別重要。最主要的防護措施就是在各級配電線路裝設(shè)保護電器,以保證在電路發(fā)生故障時,能有效地斷開故障電路。這些保護應符合GB50054-95《低壓配電設(shè)計規(guī)范》的有關(guān)規(guī)定。為此,各級線路不僅要設(shè)置保護電器,還必須要正確整定其參數(shù),以保證在規(guī)定的時間內(nèi)可靠切斷故障;還要求應有選擇地切斷電路,即要求最靠近故障點的保護電器動作,而其上級的保護電器不動作,以使得切斷電路的范圍最小。
主營:本特利,英維思,伍德沃德,??怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,
力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
Item Part No.Stock Description
1 57400-1 2 115V AC/DC INPUT MODULE
2 57402 1 115V AC/DC L/O
3 57C402 4 24-115V VAC/DC OUTPUT MODULE,16-CHANNEL
4 57C404B 3 NETWORK COMMUNICATIONS MODULE
5 57C404C 1 NETWORK COMMUNICATIONS MODULE
6 57406 1 DRIVE CONTROLLER MODULE
7 57407-4 1 68000 CPU MODULE
8 57C409 3 ANALOG INPUT MODULE,2-CHANNEL
9 57410 1 ANALOG OUTPUT MODULE
10 57C410A 3 ANALOG OUTPUT MODULE,4-CHANNEL
11 57411-1 1 RESOLVER INPUT CARD
12 57411-2 1 RESOLVER INPUT MODULE
13 57C411 6 RESOLVER INPUT MODULE
14 57C416 2 REMOTE I/O COMMUNICATIONS
15 57419 1 INPUT MODULE 5-24VDC 32 CHANNELS
16 57422 1 2 AXIS SERVO CONTROLLER
17 57C422B 1 2 AXIS SERVO CONTROLLER MODULE
18 57C430 1 AUTOMAX 6010 PROCESSOR
19 45C202A 1 PROGRAMMABLE CONTROLLER
20 45C203 1 SERIAL COMMUNICATIONS PROCESSOR MODULE
21 45C305 1 PROGRAMMABLE CONTROLLER
22 45C321 1 POWER SUPPLY
23 45C344 1 ANALOG IN 10VDC
24 45C364 1 ANALOG OUT 10VDC
25 45C380 1 REGISTER INPUT
26 45C381A 1 REGISTER OUTPUT
27 57C493 1 376 WATT POWER SUPPLY
28 57C410 1 ANALOG OUTPUT MODULE,4-CHANNEL
29 57C410B 1 ANALOG OUTPUT MODULE,4-CHANNEL
30 57C435 1 AUTOMAX 7010 PROC ESSOR
31 57552-4A 3 UNIVERSAL DRIVE CONTROLLER MODULE
32 61C500 2 115V AC INPUT NODULE,16 CHANNEL
33 61C599 2 BLANK FILLER PLATE
0-52876 VTGA DRIVE MODULE NIB 1pcs
0-52875-1 VTDB Card Factory NIB FACTORY SEALED 1pcs
0-57300 PCB NIB 1pcs
57403-E AC HIGH DIGITAL OUTPUT MODULE 1pcs
57410-C ISOLATED ANALOG OUTPUT MODULE 1pcs
0-52808 MAX PAC OLVA CARD 1pcs
57400 115V INPUT MODULE NIB 1pcs
0-54392-2 DRIVER BOARD NEW 2 pcs
0-54390 POWER SUPPLY CARD NIB 1pcs
57412-E FIELD REGULATOR NIB 1pcs
57408-C POWER MODULE INTERFACE MODULE 1pcs
57401-D DRIVE DIGITAL I/O MODULE NIB 1pcs
54392-2 PRINTED CIRCUIT BASE DRIVER 1pcs
57403-G DIGITAL OUTPUT MODULE NIB 1pcs
ES281CMB AUTOMAX DCS POWER SUPPLY 1pcs
57411-2E RESOLVER INPUT MODULE NIB 1pcs
57400-B INPUT MODULE NIB 1pcs
Automate 15 Programable Controller 45C15A 1pcs
Resolver Input Module 57C411 1pcs
TEST SYSTEMS T-9/SX REMOTE TEST SHELF TTC JDSU INCLUDES T-210 POWER/INTERFACE 601110,T-220 CPU/COMM 350111,T-230 MEASUREMENT 601112,T-240 INTERACTIVE 601071
1 52876 Printed Circuit 1 Genuine Reliance Renewal Parts
2 57300 Printed Circuit 1 Genuine Reliance Renewal Parts
3 57405 Drive Analog I/O 2
4 52875-1 Printed Circuit 1 Genuine Reliance Renewal Parts
5 57392-2 Printed Circuit Base Driver Inverter 3 Genuine Reliance Renewal Parts
6 57401-D Drive Digital I/O Module 1 Reliance Digital Control
7 57403-E A-C High Dgital Output Module 1 Reliance Digital Control
8 57408-C Power Module Interface Module 1 Reliance Digital Control
9 57410-C Analog Output Module 1 Reliance Digital Control
10 57411-2E Resolver Input Module 1 Reliance Digital Control
11 57C404B Network Communications 1
12 57C411 Resolver Input Module 1
13 770.90.21 DXL Autobus Interface 1
HR2000/BLA-04 AC Servo Drive Q”ty:5
RELIANCE ELECTRIC 57C435A AUTOMAX 7010 PROCESSOR NEW