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參數(shù)資料
型號: GP250
廠商: Electronic Theatre Controls, Inc.
英文描述: RELAY - LATCH 2 PDT, 2 AMP
中文描述: 繼電器-鎖存2秒,2安培
文件頁數(shù): 6/9頁
文件大?。?/td> 314K
代理商: GP250
The inductive nature of relay coils allows them to create magnetic forces which are converted to mechanical movements to
mechanical work. Upon deenergizing the coil, the collapasing magnetic field induces a reverse voltage (also known as back
EMF) which tends to maintain current flow in the coil. The induced voltage level mainly depends on the duration of the
deenergization. The faster the switch-off, the higher the induced voltage.
All coil suppression networks are based on a reduction of speed of current decay. This reduction may also slow down the
opening of contacts, adversly effecting contact life and reliability. Therefore, it is very important to have a clear understanding
of these phenomena when designing a coil suppression circuitry.
Typical coil characteristics
On the graph below, the upper record shows the contacts state. (High level NO contacts closed, low level NC contacts closed,
intermediate state contact transfer). The lower record shows the voltage across the coil when the current is switched off by
another relay contact.
The surge voltage is limited to -300V by the arc generated across contact poles. Discharge duration is about 200
mircoseconds after which the current change does not generate sufficient voltage. The voltage decreases to the point where
the contacts start to move, at this time, the voltage increases due to the energy contained in the NO contact springs. The
voltage decreases again during transfer, and increases once more when the magnetic circuit is closed on permanent magnet.
Operating times are as follows:
Time to start the movement 1.5ms
Total motion time 2.3ms
Transfer time 1.4ms
Contact State
Date of issue: 6/00
- 8 -
相關(guān)PDF資料
PDF描述
GP250720E0006V RELAY - LATCH 2 PDT, 2 AMP
GP250720E0026V RELAY - LATCH 2 PDT, 2 AMP
GP250720EBJ06V RELAY - LATCH 2 PDT, 2 AMP
GP250720EBJ26V RELAY - LATCH 2 PDT, 2 AMP
GP250720EDB06V RELAY - LATCH 2 PDT, 2 AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
GP-250 制造商:Thomas & Betts 功能描述:GUTTER TAP
GP-250-0 制造商:Thomas & Betts 功能描述:GUTTER TAP
GP2500-0.040-02-0404 制造商:The Bergquist Company 功能描述:GAP PAD 2500 .040" 4"X4" SHEET 制造商:The Bergquist Company 功能描述:GAP PAD 2500 .040", 4"X4" SHEET 制造商:The Bergquist Company 功能描述:GAP PAD, 2500 S80, .04", 100X100MM; Insulator Body Material:Polymer; Thermal Conductivity:2.7W/m.K; Breakdown Voltage Vbr:6kV; Thickness:1.016mm; Volume Resistivity:10ohm-m; Thermal Impedance:0.74C/W; Operating Temperature Max:200C
GP2500-0.040-02-0816 功能描述:導(dǎo)熱接口產(chǎn)品 GAP-PAD 2500 .040" 8X16" RoHS:否 制造商:Panasonic Electronic Components 類型:Thermal Graphite Sheets 材料:Graphite Polymer Film 長度:180 mm 寬度:115 mm 厚度:0.07 mm 工作溫度范圍:
GP2500-0.125-02-0404 制造商:The Bergquist Company 功能描述:GAP PAD 2500 .125" 4"X4" SHEET 制造商:The Bergquist Company 功能描述:GAP PAD 2500, .125", 4"X4" SHEET 制造商:The Bergquist Company 功能描述:GAP PAD, 2500 S80, .125", 100X100MM; Insulator Body Material:Polymer; Thermal Conductivity:2.7W/m.K; Breakdown Voltage Vbr:6kV; Thickness:3.18mm; Volume Resistivity:10ohm-m; Thermal Impedance:0.74C/W; Operating Temperature Max:200C
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