The Siemens 3LD2565-0TB53 is a robust 3-pole isolator switch designed for dependable load disconnection in industrial and commercial installations. With a maximum current rating of 63 A, a power rating of up to 22 kW at 400 V, and an IP65 protected enclosure, it is suitable for use as a main isolator, maintenance switch, or emergency stop switch in harsh or outdoor environments.
The Siemens 3LD2565-0TB53 is ideal for machinery isolation, power distribution panels, HVAC systems, conveyor lines, pump installations, and any application requiring reliable disconnection under load. Its IP65 enclosure and high endurance levels make it well-suited for harsh or exposed environments.
| Colour control element | Red |
| Degree of protection (IP), front side | IP65 |
| Degree of protection (NEMA) | Other |
| Depth | 149 mm |
| Device construction | Built-in device fixed built-in technique |
| Height | 199 mm |
| Interlockable | Yes |
| Max. rated operation voltage Ue AC | 690 V |
| Number of poles | 3 |
| Number of switches | 1 |
| Rated operation power at AC-23, 400 V | 22 kW |
| Rated operation power at AC-3, 400 V | 19 kW |
| Rated permanent current at AC-21, 400 V | 63 A |
| Rated permanent current at AC-23, 400 V | 43 A |
| Rated permanent current Iu | 63 A |
| Rated short-time withstand current lcw | 1.26 kA |
| Suitable for front mounting centre | Yes |
| Type of control element | Short thumb-grip |
| Type of electrical connection of main circuit | Frame clamp |
| Version as emergency stop installation | Yes |
| Version as main switch | Yes |
| Version as maintenance-/service switch | Yes |
| Version as safety switch | Yes |
| Width | 146 mm |
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