 
Thermal relay TF-42
OL. RELAY TF42-0.55 AF 0,41-0,55 A
ABB
Art.-no. 1571706115
EAN 6438190295380
With registration you can access the Würth Elektro online shop selection.
Bimetallic thermal relays are cost-effective electromechanical main circuit safety devices. They protect motors against overload and uneven load. Combined with contactors, a bimetallic thermal relay forms a compact starter solution.
Benefits
- Reliable motor protection
- Easy to integrate into various starter solutions
- Directly compatible with ABB contactors
- Separate installation kits for special applications
- Three-phase and single-phase connections
Properties
- Trip class 10
- Adjustable current ranges
- Overload protection and phase failure identification
- Temperature compensation up to +60°C
- Automatic or manual sign off, sealed protective cover
- Stop and test function
Datasheets(X)
| Adjustable current range | 0.41-0.55 A | 
| Max. rated operation voltage Ue | 690 V | 
| Mounting method | Direct attachment | 
| Type of electrical connection of main circuit | Screw connection | 
| Number of auxiliary contacts as normally closed contact | 1 | 
| Number of auxiliary contacts as normally open contact | 1 | 
| Number of auxiliary contacts as change-over contact | 0 | 
| Release class | CLASS 10 | 
| Reset function input | No | 
| Reset function automatic | Yes | 
| Reset function push-button | Yes | 
| E-number Finland | 3706115 | 
| Brand | ABB | 
 
