3LD2766-0TB53 | Siemens SENTRON 3LD2565‑0TB53 3‑Pole Switch Disconnector – 100 A, 37 kW, IP65 Rotary Isolator

Power up your industrial operations with the Siemens 3LD2766‑0TB53 Switch Disconnector from the SENTRON lineup. Designed for heavy-duty applications, this 3-pole rotary isolator delivers a 100 A continuous current capacity and robust 37 kW switching power at 400 V (AC‑23A), perfect for intensive motor control and system shutdowns. Encased in a resilient IP65-rated molded-plastic housing, it shields against harsh environmental factors. The red/yellow rotary knob provides clear ON/OFF demarcation and can be securely locked in the OFF position for safety during maintenance. With 6 kV surge resistance, a lifespan of 100,000 mechanical cycles, and NEMA 1, 4X, and 12 compliance, it offers both durability and reliability in demanding industrial environments.

FAQ:
1. What is the main use of the 3LD2766-0TB53?
It is a heavy-duty emergency-stop or maintenance isolator ideal for isolating high-current industrial equipment during repairs or shutdown.

2. Is it protected against dust and water?
Yes, with an IP65 enclosure, it's designed to withstand harsh environments and industrial settings.

3. Can it be locked when switched off?
Absolutely. The rotary handle supports a lock-out in the OFF position for enhanced safety during maintenance.

4. What load capacity can it handle?
It supports up to 37 kW at 400 V and 100 A continuous current, suitable for heavy-duty industrial use.

5. How durable is it?
Engineered for over 100,000 mechanical cycles with 6 kV surge resistance and compliance with NEMA and industrial protection standards.