Features: 1. Single-function time relay, delay can be set directly through the panel knob, convenient and intuitive 2. 2 function modes are optional: power-on delay and delay disconnection 3. Ultra-wide delay range, 0.1 seconds-10 days can be set 4. The working status of the relay is indicated by the LED indicator. 5. Apply to delay on or off the line, such as controlling the power-on time of the heating element, the working time of the pump and the delay of the fan Specification: Condition: 100% Brand New Model: GRT8-B2 Power Terminal: A1-A2 Rated Control Power Supply Voltage: AC/DC 12-240V (50-60Hz) Power Consumption: AC 0.7-3W/DC 0.5-1.7W Power Supply Allowable Range: -15%; +10% Power Indicator: Green LED Delay Range: 0.1 seconds-10 days, normally open, normally closed Setting Method: Knob Setting Accuracy: 10% Repeatability Accuracy: 0.2% Temperature Fluctuation Error: 0.05%℃, at = 2℃ Output: 2 Sets of Conversion Contacts 16A/AC250VAC Minimum Switching Power: 500mW Output Relay Indication: Red LED Mechanical Life: 10000000 Electrical Life (Resistive Load): 1000000 Working Environment Temperature: -20℃-55℃ Storage and Transportation Environment Temperature: -35℃-75℃ Installation Method: 35mm Rail Installation Protection Level: IP20 Installation Altitude: 2000 Meters Pollution Degree: 2 Wiring Capacity: 1x2.5mm² or 2x 1.5mm² Optional Style: AC230, AC/DC 12V-240V Weight: Approx. 95g / 3.4oz Size: Approx. 90 * 18 * 64mm / 3.5 * 0.7 * 2.5in Package List: 1 * Time Relay .