TDS 247 AT Retrofit thermal switch
Thermal switch TDS 247 AT
THERMOSWTCH-F.CSEQ-(TDS247-AT)-WHTE
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- Particularly suitable for use in harsh environments with dust and smoke
- Replacement display in accordance with DIN 14677
- Optical status indicator
- Measuring part monitoring
- Communication connection for RSBus
- Potential-free break contact
In the case of hold-open devices, the TDS 247 AT Retrofit must not be used for closures in escape and rescue routes.
For hold-open devices in which TDS 247 thermal smoke switches are installed and that have been approved in accordance with approval certificate (Z. 6.5.-xxx), TDS 247 AT Retrofit products must be used for the replacement. These are specifically approved for this purpose.
Important: if a product other than the TDS 247 AT Retrofit product mentioned here is used, the device will lose its approval.
The AM 142 can be used for line monitoring (not included in scope of delivery)
The mounting bases must be ordered separately (not included in scope of delivery)
Delivery time: approx. 10 working days
Dimensions subject to change. Subject to technical changes.
Datasheets(X)
The thermal differential switch is used to detect temperature changes when disturbances such as dust, smoke or steam are expected.
 | |
Area of application | Object area |
Suitable for | Hold-open device |
Suitable for number of doors | 0 - not applicable |
Mounting option | Ceiling installation horizontal, Wall installation horizontal |
DIN direction | 0 - not applicable |
Type of assembly | To plug on |
Installation type | Flush and surface-mounted |
Material | Plastic / metal |
Surface | 0 - not applicable |
Colour | Pure white, similar to RAL 9010 |
Standby current consumption | 22 mA |
IP protection class | IP 42 |
Fault current consumption | 16 mA/AC/DC |
Contact voltage | 30 V/DC |
Min./max. temperature conditions | -20 to 80 °C |
Locking range | 0 - not applicable |
Standards | EN 54-5+A1, EN 14637, DIN 14677 |
Approval | DIBt Z-6.520-2483 |
Environmental Product Declaration | No |
Select RAL-colour code
!! NOTE: On-screen visualisation of the colour differs from real colour shade!!