ventilators: accessories
thermal relay STDT Harmann
The STDT thermal relay is used for starting and thermal protection of three-phase motors, equipped with temperature sensors of the thermocontact windings.
The switch with STDT thermal protection enables the connection of three-phase (3 ~ 400V) fan motors with terminals of the thermocontact outside the motor housing (fan box or connection cable). In addition, the device has a thermal overcurrent limiter and an electromagnetic short circuit relay to protect the line.
Rated voltage of 3 ~ 400V. Available version for mounting on a DIN rail or for surface mounting. Optional equipment: auxiliary contact ZB, blockade against unauthorized starting.
Maximum working temperature: 40 ° C (55 ° C – version E)
| Type | width [mm] |
height [mm] |
depth [mm] |
|---|---|---|---|
| STDT 16E | 80 | 150 | 97,5 |
| STDT 25E | 80 | 150 | 97,5 |
| STDT 16 | 80 | 150 | 97,5 |
| STDT 25 | 80 | 150 | 97,5 |
| Type | Imax [A] |
m [g] |
|---|---|---|
| STDT 16E | 16 | 350 |
| STDT 25E | 25 | 420 |
| STDT 16 | 16 | 600 |
| STDT 25 | 25 | 740 |
