Siemens 3LD25 - 63A, 3-Pole, Disconnect Switch

Siemens 3LD25 is a 63A, 3-Pole Disconnect Switch crafted for industrial and commercial environments where safe electrical isolation is non-negotiable. Designed to deliver dependable disconnection under load, this device supports lockout/tagout procedures, helping technicians work confidently during maintenance and service.

With a purpose-built three-pole configuration, the 3LD25 ensures simultaneous isolation of all phases in three-phase systems, dramatically reducing the risk of accidental energization. Built for long-term durability, it stands up to the rigors of demanding facilities, providing reliable performance when it matters most.

• 63A, 3-Pole configuration enables complete phase isolation in three-phase circuits, enhancing safety during maintenance and troubleshooting.
• Lockout/Tagout compatibility supports compliant shutdown procedures, safeguarding personnel and equipment.
• Durable construction engineered for longevity in busy industrial environments, reducing replacement cycles and maintenance headaches.
• Easy integration designed to fit with standard electrical enclosures, panels, and distribution boards used in commercial and industrial settings.
• Trusted Siemens quality backed by the proven 3LD25 lineage, offering consistent performance across installations.

Ideal use cases

• Service disconnects for large equipment such as motors, pumps, conveyors, and HVAC units in manufacturing or processing facilities.
• Primary isolation point within electrical panels, switchgear, and motor control centers to enable safe maintenance windows.
• OEM panel assemblies and retrofit projects requiring a reliable three-pole disconnect in three-phase systems.
• Maintenance shutdowns where lockout/tagout procedures are essential for worker safety.

Installation considerations

• Confirm the system is three-phase and that the 63A rating meets the load requirements of the equipment being isolated.
• Install within an appropriate enclosure with proper clearance and ventilation, following local electrical codes and standards.
• Adhere to all safety guidelines and ensure lockout/tagout protocols are in place during operation and servicing.

Choose the Siemens 3LD25 for a dependable, purpose-built solution that delivers precise, safe, and durable electrical isolation in demanding environments. It’s the practical choice for technicians and engineers who value reliability, safety, and straightforward integration in their three-phase systems.