Model NO.
CRST78-A-S-0920D
Type
Electrical Control Relay
Pin Number
4
EMC
EMS
Contact Point Type
1c
Contact Point Material
AgSnO2
withstand Voltage of Insulation Level
withstand Voltage between Contact Points
Input Parameter
9VDC
Certification
RoHS
Number of Pole
1
Electricity Type
DC
Trademark
CRST
Transport Package
Box
Specification
15.7X12.3X14mm
Origin
China
HS Code
8536411000
| Features | |||||||||
| 1, Small Size and light weight. 2,Low coil consumption 3,PC Board mounting. 4, Suitable for household electrical appliances,automation system, electronic equipment,instrument,meter,telecommunication facilities and remote control facilities. | |||||||||
| Ordering information | |||||||||
| CRST78 -1C-S-12 20 D-H 1 2 3 4 5 6 7 | |||||||||
| 1,Part number: CRST78 2, Contact arrangement:A:1A;B:1B;C:1C;2A;2A(1U) 3,Enclosure: S:Sealed type; Z:Dust cover 4, Coil rated voltage(V):DC:6,9,12,24 5, Contact Current: 20:20A; 6, coil type: D:VDC ;A:VAC 7, Coil power consumption: Nil:0.6W; H: 0.8W | |||||||||
| Contact data | |||||||||
| Contact Arrangement | 1A;1B;1C; | 2A(1U) | |||||||
| Contact Material | AgSnO2, AgCdO | ||||||||
| Conatct Rating(Resistive) | 20A/14VDC | 2 x 10A 14VDC | |||||||
| Max.Switching Power | 280W | ||||||||
| Max.Switching Voltage | 14VDC | ||||||||
| Max.Switching Current: | 20A | 2 x 10A | |||||||
| Contact Resistance or Voltage Drop | ≤50mΩ | ||||||||
| Operation Life | Electrical | 105 | |||||||
| Mechanical | 107 | ||||||||
| Coil Parameter | |||||||||
| Coil voltage(VDC) | Coil Resistance Ω±10% | Pick up Voltage VDC(Max) 75%)(75% of rated voltage) | VDC Release voltage VDC(Min) (5% of rated voltage) | Coil power consumption (W) | Operate Time (mS) | Release Time (mS) | |||
| Rated | 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 | |||||
Caution:1,The use of any coil voltage less than the rated coil voltage will compromise the operation of the relay.
2,Pick up and release voltage are for test purposes only and are not be used as design criteria.
| Operation condition | ||
| Insulation Resistance | 100MΩ min(at 500VDC) | |
| Dielectric Strength | Between open Contacts | 500VAC 1min |
| Between Contacts and Coil | 500VAC 1min | |
| Shock Resistance | Functional | 100m/s2 |
| Destructive | 100m/s2 | |
| Vibration Resistance | 10~55Hz Double amplitude 1.5mm | |
| Terminals Strength | 10N | |
| Ambient Temperature | -40~85ºC | |
| Relative Humidity | 85%(at 20ºC) | |
| Unit weight | Approx.6.5g | |
