Name: Schneider Electric DIN Rail Mount Timer Relay, 12 → 240V ac/dc, 3-Contact, 0.1 s → 10days, SPDT
Brand: Schneider Electric
SKU: 814-8447
Price: 78.73 GBP
Availability: Discontinued

Schneider Electric Timer Relay, Interval Operation, 0.1s to 10 days Time Range - 821TD10H-UNI

This timer relay is designed for industrial applications requiring precise timing control. With a voltage range of 12 to 240V AC/DC, it offers exceptional versatility in various setups. The compact design measures 17.5mm x 65mm x 90mm long, allowing for easy DIN rail mounting.

Features & Benefits

• Interval operation allows timing from 0.1 seconds to 10 days
• 3 SPDT contacts provide flexible switching options
• Multi-function capability caters to diverse control needs
• Built-in LEDs indicate timing progress and operational status
• Silver alloy contact material ensures reliable performance
• Maximum current handling of 15A supports robust applications

Applications

• Suitable for controlling lighting circuits
• Utilised in HVAC systems for timing control
• Used in process automation for precise event timing
• Effective in energy management systems for load control

What is the maximum temperature this device can operate at?

It can operate at a maximum temperature of +55°C, ensuring reliability in various environments.

How can the timer settings be adjusted?

The timer features an adjustment knob at the front, enabling easy configuration of the desired time interval.

Is there a built-in indication for timing operations?

Yes, it has a red LED that blinks to signal when timing is in progress, providing clear visual feedback.

What are the minimum and maximum current specifications?

It can handle a minimum switching current of 100 mA and a maximum of 15 A at 240 V, allowing for versatile applications in industrial settings.

Can this timer relay be used in outdoor installations?

This relay is rated IP20, meaning it is designed for indoor use only and should be protected from environmental factors.

Select all	Attribute	Value
	Brand	Schneider Electric
	Supply Voltage	12 → 240V ac/dc
	Mounting Type	DIN Rail
	Mode of Operation	Interval
	Time Range	0.1 s → 10days
	Number of Contacts	3
	Number of Timer Functions	Multi Function
	Contact Configuration	SPDT
	Time Increment	Days, Hours, Minutes, Seconds
	Maximum Current	15A
	Maximum Voltage	240V ac/dc
	Switch Configuration	SPDT
	Terminal Type	PCB Pin
	Power Supply	Internal
	Width	17.5mm
	Minimum Voltage	12V ac/dc
	Depth	65mm
	Maximum Operating Temperature	+55°C
	Length	90mm
	Contact Material	Silver Alloy
	Time Delay	50ms
	Minimum Operating Temperature	-20°C

	Select all
	Brand Schneider Electric
	Supply Voltage 12 → 240V ac/dc
	Mounting Type DIN Rail
	Mode of Operation Interval
	Time Range 0.1 s → 10days
	Number of Contacts 3
	Number of Timer Functions Multi Function
	Contact Configuration SPDT
	Time Increment Days, Hours, Minutes, Seconds
	Maximum Current 15A
	Maximum Voltage 240V ac/dc
	Switch Configuration SPDT
	Terminal Type PCB Pin
	Power Supply Internal
	Width 17.5mm
	Minimum Voltage 12V ac/dc
	Depth 65mm
	Maximum Operating Temperature +55°C
	Length 90mm
	Contact Material Silver Alloy
	Time Delay 50ms
	Minimum Operating Temperature -20°C

Schneider Electric DIN Rail Mount Timer Relay, 12 → 240V ac/dc, 3-Contact, 0.1 s → 10days, SPDT