TANDBERG Solutions
The ambient temperature control device
TEF50239212 Art. No. 170984
WebCode T502392xxA
The thermostat must be protected with 16 A circuit breaker (fuse) on power lead.
Where the circuit breaker is mounted in Ex classified zones, ATEX-certified circuit breakers must be used.
Electrical connection to the heater must be executed via a circuit breaker, max. 16 A and terminals mounted inside an enclosure.
The ambient air thermostat Series TEF502392xx must be used as ambient air sensing working thermostat mounted in ATEX certified Ex e enclosures or enclosures for safe areas.
Technical Data
| Explosion Protection | |
| Application range (zones) | 1 2 |
| IECEX gas certificate | IECEx NEM 11.0007X |
| IECEx gas explosion protection | Ex MB IIC T6 Gb |
| ATEX gas certificate | NEMKO 03ATEX1470X |
| ATEX gas explosion protection |  II 2 G Ex mb IIC T6 Gb |
| Electrical Data | |
| Rated operational voltage AC | 250 V |
| Additional rated operating voltage | 120 V AC on request |
| Ambient Conditions | |
| Ambient temperature | -50 °C … +50 °C |
| Opening temperature OFF | -2,8 °C |
| Closing temperature ON | -10 °C |
| Opening temperature tolerance | +/- 2,8 °C |
| Closing temperature tolerance | +/- 3,3 °C |
| Mechanical Data | |
| Material | Acid-resistant stainless steel |
| Weight | 0 kg |
| Weight | 0 lb |
Technical Drawings – Subject to Alterations
Circuit diagram
We reserve the right to make alterations to the technical data, dimensions, weights, designs, and products available without notice. The illustrations cannot be considered binding.
R. STAHL Schaltgeräte GmbH | Am Bahnhof 30
74638 WALDENBURG
Tel. +49 7942 943 1700 | +49 7942 943 1777
Email: [email protected]
r-stahl.com
2022-08-31
V 0.44 EN
R. STAHL | Explosion Hazard Systems | Industrial Explosion Protection
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