| Muhimmiya | Wone Store |
| Model NO. | GRT8-ST Dely ON Star/Delta Timer Relay |
| Rated Frequency | 50/60Hz |
| Siri | GRT8 |
GRT8-ST Delay ON Star/Delta Timer Relay shine da cikin yanayin aiki na yankin star-delta motor starting. Yana dogara da wani kasa ga tsari daga baya zuwa kasa ta delta, yana kare inrush current a lokacin farkon motor don inganta masu aiki da kuma inganta hanyar aiki. Ana amfani da shi a matsayin industrial motors kamar pumps, fans da compressors, yana taimaka wa inganta tsari na motor da kuma inganci na system.
An yi lafiya ga delay ON na motors star/delta.
Accurate Delay Control: An yi lafiya ga precise adjustment of star-delta conversion delay, ya kai tsari na farkon motor different timing requirements.
Motor Protection: Yana kare inrush current a lokacin farko, yana inganta abinci ga motors da kuma electrical components associated.
Industrial-Grade Reliability: An yi lafiya ga durable components, suitable for harsh industrial environments with stable performance.
Easy Integration: Standard wiring and interfaces allow seamless connection to star-delta motor control circuits.
Function Features
Time t1 (star) : time scale 0.1 s – 10min divided into 4 time ranges rough time setting by rotary switch.
Time t2 (delay) : time scale 0.1 s – 1 s time setting by potentiometer
Relay status is indicated by LED.
1-MODULE, DIN rail mounting.
Parameter
| Technical parameters | GRT8-ST |
| Function | Delay ON star /Delta |
| Supply terminals | A1-A2 |
| Voltage range | AC/DC 12-240V(50-60Hz) |
| Burden | AC 0.3-2VA/DC 0.1-1.2W |
| Voltage range | AC 230V(50-60Hz) |
| Power input | AC max.6VA/1.3W |
| Supply voltage tolerance | -15%;+10% |
| Supply indication | green LED |
| Time ranges | Range of time delay t1:0.1s-10min,Switch time t2:0.1s-10s |
| Time setting | potentiometer |
| Time deviation | 10%-mechanical setting |
| Repeat accuracy | 0.2%-set value stability |
| Temperature coefficient | 0.05%/℃,at=20℃(0.05%℉，at=68℉) |
| Output | 2×SPDT |
| Current rating | 16A(AC1) |
| Switching voltage | 250VAC/24VDC |
| Min. breaking capacity DC | 500mW |
| Output indication | red LED |
| Mechanical life | 1×107 |
| Electrical life(AC1) | 1×105 |
| Reset time | max.200ms |
| Operating temperature | -20℃ to+55℃（-4℉to131℉） |
| Storage temperature | -35℃ to+75℃（-22℉to158℉） |
| Mounting/DIN rail | Din rail EN/IEC 60715 |
| Protection degree | IP40 for front panel/IP20 terminals |
| Operating position | any |
| Overvoltage category | III. |
| Pollution degree | 2 |
| Max.cable size(mm 2) | solid wire max.1×2.5or 2×1.5/with sleeve max.1×2.5(AWG 12) |
| Tightening torque | 0.4Nm |
| Dimensions | 90×18×64mm |
| Weight | W240-82g,A230-80g |
| Standards | EN 61812-1,IEC6947-5-1 |
