Siemens 3LD2714-0TK51 Disconnect Switch 100A Instant Buy

The SIEMENS 3LD2714-0TK51 is a door-mount disconnect switch rated at 100 amps, designed for safe isolation of electrical circuits in industrial and commercial panel applications. This switch allows qualified electricians to de-energize equipment for maintenance, lockout/tagout compliance, and service work. The door-mount configuration integrates directly into enclosure panels, keeping the footprint compact while providing accessible manual operation. At 1.667 pounds, the unit is lightweight enough for single-person installation in tight enclosure spaces. It ships as a single unit per pack.

This disconnect switch is suited for commercial and industrial electrical installations where a dedicated manual isolation point is required at the enclosure door. Typical applications include motor control centers, electrical distribution panels, and machine control enclosures. Licensed electricians install this type of switch as part of a properly engineered lockout/tagout scheme in facilities subject to OSHA and NEC requirements. It is not intended for residential load-center applications.

Key Features

• 100-amp disconnect rating for industrial and commercial circuit isolation
• Door-mount design integrates directly into enclosure panels
• Compact single-unit form factor at 1.667 pounds
• Supports lockout/tagout compliance per OSHA and NEC procedures
• Manual operation provides a visible isolation point for service personnel

Compatibility

Designed as an OEM-style door-mount disconnect switch for commercial and industrial electrical enclosures requiring a 100-amp manual isolation device.

Installation Notes

Installation should be performed by a licensed electrician in accordance with the National Electrical Code (NEC) and all applicable local codes. De-energize the enclosure and verify zero voltage with a calibrated meter before mounting or wiring the switch. Follow the manufacturer wiring diagram for proper terminal connections and ensure the enclosure door cutout dimensions match the switch body before installation. Apply appropriate lockout/tagout procedures before beginning any work on the connected circuit.

Technical Specifications

• Current Rating: 100 amps
• Mount Type: Door mount
• Length: 18.780 inches
• Width: 5.591 inches
• Height: 4.409 inches
• Weight: 1.667 pounds
• Package Quantity: 1 per pack
• UPC: 04089255307

Standard Information

• Brand: SIEMENS
• Manufacturer Part Number: 3LD2714-0TK51