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78系列電流過載保護器

產(chǎn)品型號:

產(chǎn)品描述

Product Descriptions

78系列是一種輕巧,單極,按壓后復位的過電流輔助保護器。

78 Series is a compact,single pole,push to reset over current supplementary protectors.
78系列設計簡單,精準,能夠提供安全可靠低費用的電路保護。
78 Series simple,exact design,can be provided a safe and low expense the circuit   protection.
78系列提供范圍廣泛的安培數(shù),電流規(guī)格從3到40amp.
78 Series offer a wide range of amperage ratings from 3 to 40amp.
安規(guī)認證(Safety Approvals)
安規(guī)標志(Marks)UL/TUV/CQC/CSA

主要應用

Typical Application

馬達,電源供應器,發(fā)電機,變壓器,測試儀器,延長線,電動工具,不斷電供應器,運動器材,食物調(diào)理機。
Motors,power,Supplies,Generators,Transformers,Instrumentation,Power strips,Power tools,UPS,Health Equipments,Food Processor.

外觀尺寸圖

Out Dimensiongs


技術(shù)資料

Technical Datas

額定電流電壓(Current and Voltage Ratings)3A-40A at 125/250VAC;50VDC
跳脫(Calibration)100%No Trip.150%trip in one hour at+25℃
接觸阻抗(Contact Resistance)≤80m
絕緣阻抗(Insulation Resistance)≥100m 500VDC
絕緣耐電壓(Dielectric withstanding Voltage)1500VAC at 50/60 Hz for 60 seconds
電氣壽命(Electrical Life)6000 cycles full rated current
使用溫度范圍(Operating temperature range)-10℃to+60℃
使用濕度(Ambient humidity used)≤85%RH
可焊性(Solder ability)260℃±5℃3±1s
短路容量(Interrupt capacity)1000A at 125VAC&400A at 250VAC
重新啟動時間(Reset Time)In 60 seconds

環(huán)境溫度補償系數(shù)表

Ambient temperature Correction Factor

Derating

Factor

0℃

10℃

15℃

18℃

25℃

32℃

40℃

50℃

60℃

x1.46

x1.35

x1.14

x1.11

x1.00

x0.92

x0.82

x0.70

x0.57


跳脫時間及電流跳脫曲線圖@+25℃

Time VS.current Trip Curve @ +25℃

OVERLOAD

100%

150%

200%

300%

400%

500%

600%

TRIP TIMES

NOTRIP

TRIP IN 1HOUR

4.0-40SEC

1.2-12SEC

0.5-5 SEC

0.4-3 SEC

0.3-2 SEC