10/30/2019 Page 1 of 3 Schneider Electric Relays 200 N. Martingale Rd., Suite 1000 Schaumburg, IL 60173 Phone: 847-441-2540 Fax: 847-881-0741 E-Mail: relays schneider-electric.com Web site: www.serelays.com ITEM 821TD10H-UNI, 820 SERIES TIME DELAY RELAYS / SPDT, 15 AMP RATING The 821 time delay relay is a DIN rail mountable product offering10 different timing functions with an ultra-wide timing range (0.1 sec to 10 days), a universal voltage input (12-240 VAC/VDC) and 2 status LEDs. 820 SPECIFICATIONS OUTPUT CHARACTERISTICS INPUT CHARACTERISTICS PERFORMANCE CHARACTERISTICS ENVIRONMENT PRODUCT CERTIFICATIONS Specifications Check Inventory Check Distributor Inventory Status Standard Type of Device Time Delay Rated Current Load 15 A Timing Range 0.1s to 10day Number of Functions 10 WARNING: This product can expose you to chemicals including: Substance 1: Nickel compounds, which is known to the State of California to cause cancer. California Proposition 65 Warning Substance 2: DIDP, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov Output Characteristics10/30/2019 Page 2 of 3 Contact Configuration SPDT Contact Materials Silver Alloy Current Rating at 240 VAC, 24 VDC 15 A 24 VDC Switching Voltage 240 VAC, 50/60 Hz 1 hp at 240 VAC Switching Voltage hp 1/2 hp at 120 VAC Switching Voltage (Pilot Duty) B300 Indication (LED) Red Input Characteristics Operating Range - % of Nominal 85 to 110 % Maximum Consumption AC 3 VA Maximum Consumption DC 1.70 W Indication (LED) Green A - On Delay (Power On) B - Repeat Cycle (Starting Off) C - Interval (Power On) D - Off Delay (S Break) E - Retriggerable One Shot Functions Available F - Repeat Cycle (Starting On) G - Pulse Generator H - One Shot I - On/Off Delay (S Make/Break) J - Memory Hold (S Make) Time Scales 10 0.1 to 1 s 1 to 10 s 0.1 to 1 min 1 to 10 min Time Ranges Available 0.1 to 1 H 1 to 10 H 0.1 to 1 d 1 to 10 d Tolerance, Mechanical Setting 5 % Repeatability, Constant Voltage and 0.20 % Temperature Reset Time, Maximum 150 ms