GRT6-ST AC380-440V Delay ON Star/Delta Time Relay

The GEYA GRT6-ST AC380-440V Delay ON Star/Delta Time Relay is engineered for industrial-grade motor control, managing star/delta start sequences with precision. Designed for AC380-440V three-phase systems, it excels in powering heavy-duty motors and machinery with reliability and strength.

  • Supply Voltage: AC380-440V (50-60Hz)

  • Power Consumption: AC 0.7-3VA

  • Time Settings: t1: 0.1s – 10min, t2: 0.1s – 1s

  • Output Contacts: 2 x SPDT, 10A/AC1

  • Dimensions: 90 x 18 x 64mm

  • Weight: 80g

→ Download GRT6-ST AC380-440V Delay ON Star/Delta Time Relay Catalog PDF

Category

Description

Product Highlight:

  • Heavy-Duty Performance: Built to support high-voltage motor applications.

  • Accurate Delay Settings: Set t1 (star) from 0.1s to 10min and t2 (delay) from 0.1s to 1s for optimal control.

  • Operational Feedback: LED indicators (green for power, red for output) simplify monitoring.

  • Efficient Mounting: 1-MODULE design fits standard DIN rails.

  • Rugged Build: Functions across -20°C to +55°C, perfect for tough conditions.

Panel Diagram:

Panel Diagram

Functions Diagram:

Functions Diagram

Setting instructions:

Setting instructions

Wiring Diagram:

Wiring Diagram

Dimensions(mm):

Dimensions(mm)

Model GRT6-ST
Function Delay ON Star/Delta
Supply terminals A1-A2
Voltage range AC/DC 24-240V(50-60Hz)
Burden AC 0.7-3VA/DC 0.5-1.7W
Voltage range AC 230V,AC400V(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-1s
Time setting potentionmeter
Time deviation 10%-mechanical setting
Repeat accuracy 0.2%-set value stability
Temperature coecient 0.05%/℃,at=20℃(0.05%℉,at=68℉)
Output 2×SPDT
Current rating 10A/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℉ to 131℉)
Storage temperature -35℃ to +75℃(-22℉ to 158℉)
Mounting/DIN rail Din rail EN/IEC 60715
Protection degree IP40 for front panel/IP20 terminals
Operating position any
Overvoltage cathegory III.
Pollution degree 2
Max.cable size(mm²)  solid wire max.1*2.5 or 2*1.5/with sleeve max.1*2.5(AWG 12)
Tightening torque 0.4Nm
Dimensions 90×18×64mm
Weight S240-82g,A230-80g
Standards EN 61812-1,IEC60947-5-1
Contact Us
Contact Us

Check Out The Full Catalog

Quick Info Exchange Helps Us Serve You Better
(Low-voltage and solar energy electrical components catalog)

Electrical Equipment catalog