Schneider Electric DIN Rail Mount Timer Relay, 12 → 240V ac/dc, 3-Contact, 0.1 s → 10days, SPDT
- RS Stock No.:
- 814-8447
- Mfr. Part No.:
- 821TD10H-UNI
- Brand:
- Schneider Electric
- RS Stock No.:
- 814-8447
- Mfr. Part No.:
- 821TD10H-UNI
- Brand:
- Schneider Electric
Specifications
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
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 | |
| Terminal Type | PCB Pin | |
| Switch Configuration | SPDT | |
| Width | 17.5mm | |
| Minimum Voltage | 12V ac/dc | |
| Power Supply | Internal | |
| Length | 90mm | |
| Depth | 65mm | |
| Maximum Operating Temperature | +55°C | |
| Minimum Operating Temperature | -20°C | |
| Contact Material | Silver Alloy | |
| Time Delay | 50ms | |
| 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 | ||
Terminal Type PCB Pin | ||
Switch Configuration SPDT | ||
Width 17.5mm | ||
Minimum Voltage 12V ac/dc | ||
Power Supply Internal | ||
Length 90mm | ||
Depth 65mm | ||
Maximum Operating Temperature +55°C | ||
Minimum Operating Temperature -20°C | ||
Contact Material Silver Alloy | ||
Time Delay 50ms | ||
- COO (Country of Origin):
- CZ
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
• 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
• 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.
Related links
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- RS PRO DIN Rail Mount Timer Relay 3-Contact 1-Function, SPDT
- Schneider Electric Harmony Time Series DIN Rail Mount Timer Relay 4-Contact, 0.1 s →

