特点 Features

1,体积小,重量轻Small Size and light weight.    2,线圈功耗低 Low coil consumption
3,可直接焊接在印刷线路板中. PC Board mounting.
4,用于家用电器,自动化系统,电子设备,仪器,仪表,通讯装置和遥控系统.Suitable for household electrical appliances,automation system,electronic equipment,instrument,meter,telecommunication facilities and remote control facilities.

订货信息 Ordering information

CRST78--C-S-DC12V--H
  　 1   　 2 3   4 　  5 

1,型号 Part number: CRST78             2,触点形式 Contact arrangement:A:1A;B:1B;C:1C;U:1U
3,封装形式:S:试水式;无:防尘式   Enclosure: S:Sealed type; Z:Dust cover
4,线圈额定电压Coil rated voltage(V):DC:6,9,12,24      5,线圈功耗 Coil power consumption: Nil:0.6W; H: 0.8W

触点数据 Contact data

触点形式 Contact Arrangement

1A(1H)(SPST NO);1B(SPST NC);1C(1Z)(SPDT);1U

触点材料 Contact Material

AgSnO², AgCdO

触点负载(阻性) Conatct Rating(Resistive)

5A/250VAC   20A/14VDC

马达负载 Motor load:1/2HP 125VAC

灯负载 Lamp load :TV-5

最大切换功率Max.Switching Power

280W  1250AV

最大切换电压 Max.Switching Voltage

42VDC  380VAC最大切换电流Max.Switching Current:20A

触点阻性或压降 Contact Resistance or Voltage Drop

≤50mΩ

寿命 Operation Life

电气 Electrical

10⁵

机械 Mechanical

10⁷

线圈参数 Coil Parameter

线圈电压
Coil voltage
(VDC)

线圈电阻
Coil Resistance
Ω±10%

吸合电压VDC(最大)
Pick up Voltage VDC(Max)
(额定电压的80%)
(80% of rated voltage)

释放电压VDC
Release voltage VDC(Min)
(额定电压的5%)
(5% of rated voltage)

线圈功耗
Coil power consumption
(W)

动作时间
Operate Time
(mS)

释放时间
Release Time
(mS)

额定
Rated

最大
Max

6

6.6

60

4.5

0.30

0.6

≤10

≤5

9

9.9

135

6.75

0.45

12

13.2

240

9.0

0.60

24

26.4

960

18.0

1.20

6

6.6

45

4.5

0.30

0.8

9

9.9

102

6.75

0.45

12

13.2

180

9.0

0.60

24

26.4

720

18.0

1.20

技术特性 Operation condition

绝缘电阻 Insulation Resistance

最少 100MΩ min(at 500VDC)

介质耐压 Dielectric Strength
断开触点间 Between Contacts
触点与线圈间 Between Contacts and Coil

50Hz 500V
50Hz 500V

耐冲击 Shock Resistance

100m/s²   11ms

抗振性 Vibration Resistance

10~55Hz 双振幅 Double amplitude 1.5mm

引出端强度 Terminals Strength

10N

可焊性 Solderability

235±2℃   3±0.5s℃

环境温度 Ambient Temperature

-40~85℃

相当湿度 Relative Humidity

85%(at 20℃)

质(重)量 Mass

6g

外形尺寸 Dimensions(mm/Inch)