SENTRON, load disconnector 3LD, main switch, 4-pole, 25 A, operating power at AC- 23 A at 400 V: 9.5 kW, insulating material encapsulation for metric screw connection, rotary drive, black The main and emergency stop switch 3LD as a repair switch for the safe shutdown of loads in a wide variety of environments. The possible uses of the 3LD mains disconnectors are diverse. After mains disconnections, they ensure the safe disconnection of all electrical equipment, for example switching three-phase motors, but also air conditioning and ventilation systems. 3LD have proven themselves in many areas, particularly in processing machines in mechanical and conveyor engineering, in the chemical or food and beverage industries. The Siemens 3LD main and emergency stop switches are characterized by: 1. Modular design, quick and easy installation of auxiliary switches, N-PE terminal or 4th pole. 2. Versatile and can be used worldwide thanks to international IEC, UL and shipbuilding approvals. 3. Protection class up to IP 65 with encapsulated housing for outdoor applications. 4. Can be used for direct current applications. 5. Mounting types: front mounting, mounting plate, top hat rail. 6. Optimum mains isolation from 16 A to 250 A thanks to the ability to lock the rotary drive. www.siemens.de/schaltgeraete. Siemens offers a comprehensive portfolio of protection, switching, measuring and monitoring devices, distribution systems as well as switches and sockets for safe, efficient electrical infrastructure in buildings and industry.
| Property | Value |
| Number of poles: | 4 |
| Rated operating power at AC-23, 400 V: | 10 kW |
| Rated continuous current Iu: | 25 A |
| Max. Rated operating voltage Ue at AC: | 690 V |
| Version as EMERGENCY STOP device: | no |
| Suitable for floor mounting: | no |
| Integrated motor drive: | no |
| Suitable for front mounting 4-hole: | no |
| Version as maintenance/repair switch: | yes |
| Voltage release optional: | no |
| Suitable for front mounting central: | yes |
| Version as main switch: | yes |
| Version as safety switch: | yes |
| Motor drive optional: | no |
| Lockable: | yes |
| Version as reversing switch: | no |
| Rated short-time withstand current Icw: | 0.64 kA |
| Rated operating power at AC-3, 400 V: | 8 kW |
| Rated continuous current at AC-21, 400 V: | 25 A |
| Number of switches: | 1 |
| Rated continuous current at AC-23, 400 V: | 20 A |
| Protection class (NEMA): | other |
