FR-E720 2.2K FR-E720 2.2K FR-E720 2.2K 全新現(xiàn)貨 質(zhì)保一年 廠家直供
熱的主要原因是觸點(diǎn)壓力不夠、表面氧化或不清潔和容量不夠;觸點(diǎn)熔焊的主要原因是觸點(diǎn)在閉合時產(chǎn)生較大電弧,及觸點(diǎn)嚴(yán)重跳動所致。 檢查觸點(diǎn)表面氧化情況和有無污垢。觸點(diǎn)有污垢,已用汽油清洗干凈。銀觸點(diǎn)的氧化層不僅有良好的導(dǎo)電性能,而且在使用中還會還原成金屬銀,所以可不作修理。銅質(zhì)觸點(diǎn)如有氧化層,可用油光銼銼平或用小刀輕輕地刮去其表面的氧化層。
觀察觸點(diǎn)表面有無灼傷燒毛,銅觸點(diǎn)燒毛可用油光銼或小刀整修毛。整修觸點(diǎn)表面不分光滑,不允許用砂布來整修,以免殘留砂粒在觸點(diǎn)閉合時嵌在觸點(diǎn)上造成不良。但銀觸點(diǎn)燒毛可不必整修。觸點(diǎn)如有熔焊,應(yīng)更換觸點(diǎn)。若因觸點(diǎn)容量不夠而造成,更換時應(yīng)選容量大一級的電器。檢查觸點(diǎn)有無松動,如有應(yīng)加以緊固,以防觸點(diǎn)跳動。檢查觸點(diǎn)有無機(jī)械損傷使彈簧變形,造成觸點(diǎn)壓力不夠。若有,應(yīng)壓力,使觸點(diǎn)良好
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優(yōu)勢品牌:
Siemens(西門子):
● 西門子S7-200CN、S7-200SMART、ET200、 S7-300 、S7-400 、6AV、6G系列備件.
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Allen-Bradley(羅克韋爾):1734/1746/ 1747/ 1756/1762系列, 承接AB羅克韋爾全系列PLC 變頻器、觸摸屏、軟啟動、伺服等業(yè)務(wù).
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6EP1336-3BA00
Siemens 3RV1031-4FA10
3RV2011-1JA10
Siemens 3NE3227
接觸器LC1D50AM7C
施耐德限位開關(guān)ZCMD21L08U78
施耐德熱繼電器LRD07KN
施耐德行程開關(guān)ZCMD21C12
6ES7215-1AG40-0XB0
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NJ4-12GM40-E2-V1
1756-L71
1756-OF8
1756-EN2T
1756-RM2
9324-RLD700NXENE停產(chǎn)
替代型號9324-RLD700NXENM
9301-OPCSRVENE停產(chǎn)
替代型號9301-OPCSRVENM
6AV6644-0AB01-2AX0
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134-4GB01-0AB0
224-0BE33-7UA0
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138-4CA01-0AA0
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DSE-IBS-C33
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953-8LF20-0AA0
206-1BB10-2AA3
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300-0AB00-0AA0
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SPNPM22
JANCD-CG31/24
1326AB-B720F-S2K7L
SGMRV-13ANA-YR2#
E+H超聲波流量計(jì)91WA1-AA2D00ACA5AA
開關(guān)JH-18-00156541-1
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A5E02122233-5
A5E02122237
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288-2DE08-0AA0
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ZP400A/1200V
KP-400A-1200
MDC-135A/1600V
voltsrmsl-l
6AV6640-0AA00-0AX0
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變頻器;FR-E720 2.2K三菱
P22NSXA-LDN-NS-02
轉(zhuǎn)子控制板DC2C.PCN
轉(zhuǎn)子控制板DC2C.PCB
RSH110R40UBW1F2/4P
SIS-8600-LV
416-2FK02-0AB0
3RT1055-6AF36
3RT1056-6AF36
1FK7060-5AF71-1AG0
abb XO08R2
氣缸MXW16-150B SMC
FLOW SWICH;PF2A706H-14-29; SMC
斷路器;EBS 33b 15A
斷路器;EBS 33b 5A
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斷路器;ABS 33c 30A
繼電器;SZR-MY4-X1 24VDC霍尼韋爾
變頻器;FR-E720 2.2K三菱
A06B-6130-H401
6AV6381-2BP07-4AV0
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3RW4036-1BB04 22KW
3RW4028-1BB04 18.5KW
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1203-CN1
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22B-D2P3N104
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081WV06P1V1011WS024/00D1 0810091225
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MDS-C1-V1-20
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A5E02630232
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211-0BA23-0XB0
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416-3ES06-0AB0
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C200H-CPU03-E
TA450SU-400
菲索DMU 03-31146 AFRISO壓力傳感器
3009MA230W2
XDAL-11322
XDAL-11122
EJA110A-EMS4A-92DA
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TRD-GK500-RZ
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6GK1901-1BB10-2AA0
6ES7193-4CB30-0AA0
1769-L31停產(chǎn)
西門子手持單元6FX2007-1AD03