●特點(diǎn)Features
●功率大 ●支架安裝型 ●合RoHS ●護(hù)等級(jí)IP54 ●適用行業(yè)：焊機(jī)、電梯、發(fā)電機(jī)、音響、變頻器等 | ●High power ●Rack mounting te ●RoHS Complied ●Protection grade IP54 ●Applicable industries:welder,elevator,dynamo,stereo system, transduceretc. |
●電氣、機(jī)械特性Electrical and mechanical characteristics
特性 Characteristics | 規(guī)格值 Standards | 試驗(yàn)方法 Test methods |
阻值誤差 Resistance tolerance | &plun;1%(F)&plun;2%(G)&plun;5%(J)&plun;10%(K) | 阻值測(cè)試儀測(cè)量 Testing by the resistance testing instrument |
溫度特性 Temperature coefficient | 300ppm/℃ | 常溫Room temperature+100℃ |
短時(shí)間過負(fù)荷 Short-time load | ΔR≤1% | U=，5秒seconds
|
緣阻值 Insulation resistance | 1000MΩ，min | 接線柱與支架殼之間的電阻值 The resistance between the terminals and the bracket |
耐電壓 Dielectric withstanding voltage | 無機(jī)械損傷及無緣層破損 no evidence of mechanical damage or insulation breakdown ΔR≤0.2% | 接線柱與支架殼之間60秒承受的電壓值The 60 seconds Max. insulation voltage between the terminals and the bracket |
振動(dòng) Vibration | 無機(jī)械損傷 no evidence of mechanical damage ΔR≤0.2% | XY方向各2小時(shí)2hours each 頻率frequency 10~55Hz 振幅amplitude 1.5mm |
可焊性 Solderability | 焊錫面積覆蓋率85%以上 The soldering area is over 85% | 245℃3秒seconds |
●耐候特性Environmental charactaristics
特性 Characteristics | 規(guī)格值 Standards | 試驗(yàn)方法 Test methods |
耐熱性 Heat resistance | 無機(jī)械損傷 no evidence of mechanical damage ΔR≤0.5% | 200℃2小時(shí)hours |
耐濕性 Humidity | 無機(jī)械損傷 no evidence of mechanical damage ΔR≤0.5% | 40℃95%RH 500小時(shí)hours |
耐濕負(fù)荷壽命 Load life in humidity | 無機(jī)械損傷 no evidence of mechanical damage ΔR≤0.5% | 40℃95%RH U=0.1，90分鐘minutes ON, 30分鐘minutes OFF, 500小時(shí)hours |
負(fù)荷壽命 Load life | ΔR≤3% | U=，90分鐘minutes ON, 30分鐘minutes OFF, 1000小時(shí)hours |
不燃性（過負(fù)荷） Flame retardant | 不燃燒 no evidence of flaming or arcing | 1~6倍的額定功率 1~6times rated power load |
