Schneider Electric SPDT Multi Function Timer Relay, Interval, 12 → 240V ac/dc, DIN Rail Mount
- RS Stock No.:
- 8148447
- Mfr. Prt No.:
- 821TD10H-UNI
- Brand:
- Schneider Electric
Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 8148447 |
| Product description | Schneider Electric SPDT Multi Function Timer Relay, Interval, 12 → 240V ac/dc, DIN Rail Mount |
| Manufacturer / Brand | Schneider Electric |
| Manufacturer part number | 821TD10H-UNI |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 8148447 |
| Product description | Schneider Electric SPDT Multi Function Timer Relay, Interval, 12 → 240V ac/dc, DIN Rail Mount |
| Manufacturer / Brand | Schneider Electric |
| Manufacturer part number | 821TD10H-UNI |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Dec 22, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: CZ
Product Details
Schneider Electric 820 Series Time Delay Relay
Offering 10 timing functions this series of 35 mm DIN rail mountable time delay relays feature and ultra wide timing range. 10 ms to 10 days timing and a universal voltage input of 12-240 V ac / V dc enclosed in a slim modular package. Designed for ultimate control and accuracy this series features a fine time setting alongside the 10 different time scales. Input and Output is indicated via the Green and Red LED light and the input terminals accept wires up to 14 AWG. Available in both SPDT and DPDT the 820 series provides a one stop solution for any power management system.
The 821 is available as a 15 amp SPDT timer whilst the 822 is available as DPDT which has the ability to switch up to 15 amps per pole.
Features and Benefits:
• Output and Input LED indication
• 10 functions
• 10 different time scales
• DIN rail mounting
• Solid state circuitry
• 17.5 mm wide for tight spaces
Protection ratings & Safety features:
• cULus (File: E234203, CCN: NKCR, NKCR7)
• CE 61810-1, RoHS
• IP20 enclosure rating according to IEC 60529
Applications - Time Delay Relays are typically used in industrial applications and play an important role for many industrial processes such as small panel or sub-panels requirements.
Specifications
| Attribute | Value |
| Brand | Schneider Electric |
| Supply Voltage | 12 → 240 V ac/dc |
| Time Range | 0.1 s ? 10 Day |
| Minimum Voltage | 12 V ac/dc |
| Minimum Operating Temperature | -20 °C |
| Mode of Operation | Interval |
| Power Supply | Internal |
| Contact Material | Silver Alloy |
| Maximum Voltage | 240 V ac/dc |
| Depth | 65 mm |
| Time Increment | Days, Hours, Minutes, Seconds |
| Length | 90 mm |
| Width | 17.5 mm |
| Number of Contacts | 3 |
| Terminal Type | PCB Pin |
| Mounting Type | DIN Rail |
| Time Delay | 50 ms |
| Number of Timer Functions | Multi Function |
| Switch Configuration | SPDT |
| Current Maximum | 15 A |
| Maximum Operating Temperature | +55 °C |
| Contact Configuration | SPDT |
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