78系列电流过载保护器

产品型号:

产品描述

Product Descriptions

78系列是一种轻巧,单极,按压后复位的过电流辅助保护器。

78 Series is a compact,single pole,push to reset over current supplementary protectors.
78系列设计简单,精准,能够提供安全可靠低费用的电路保护。
78 Series simple,exact design,can be provided a safe and low expense the circuit   protection.
78系列提供范围广泛的安培数,电流规格从3到40amp.
78 Series offer a wide range of amperage ratings from 3 to 40amp.
安规认证(Safety Approvals)
安规标志(Marks)UL/TUV/CQC/CSA

主要应用

Typical Application

马达,电源供应器,发电机,变压器,测试仪器,延长线,电动工具,不断电供应器,运动器材,食物调理机。
Motors,power,Supplies,Generators,Transformers,Instrumentation,Power strips,Power tools,UPS,Health Equipments,Food Processor.

外观尺寸图

Out Dimensiongs


技术资料

Technical Datas

额定电流电压(Current and Voltage Ratings)3A-40A at 125/250VAC;50VDC
跳脱(Calibration)100%No Trip.150%trip in one hour at+25℃
接触阻抗(Contact Resistance)≤80m
绝缘阻抗(Insulation Resistance)≥100m 500VDC
绝缘耐电压(Dielectric withstanding Voltage)1500VAC at 50/60 Hz for 60 seconds
电气寿命(Electrical Life)6000 cycles full rated current
使用温度范围(Operating temperature range)-10℃to+60℃
使用湿度(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
重新启动时间(Reset Time)In 60 seconds

环境温度补偿系数表

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


跳脱时间及电流跳脱曲线图@+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