Siemens 3LD2804-0TK51 - 3LD Switch disconnector - Main switch - Short rotary knob - 3-pole

Disconnect Switches

Compact Non-Fusible — Rotary and Toggle

Features

16–250 Ampere, to 100 hp, 480V & 600V

Rotary and Toggle actuation models

LBR Type switches are padlockable in the OFF position and are UL & cUL listed under File No. E191706 as manual motor controllers per UL Standard UL508

3LD2 Type switches are padlockable in the OFF position and are UL listed under File No. E47705 per UL508 and are CSA certified under File No. 203576

Base, DIN-rail and door mounting

Multiple conductor, distribution terminal type rating LBR & LBT Type (40A -100A only)

IEC 947-1 rated, CE marked

Listed and marked “suitable as motor disconnect” per NEC Section 430-109

Application

Siemens Load Break Switches are listed as manual motor controllers and are suitable as motor disconnects. They are load break rated and act as enclosure disconnects when short circuit protection is provided upstream of the switch. If upstream over current protection is not provided, use a Siemens fusible Type VBII, CFS or MCS Disconnect Switch.

Ordering Information

Door Mounted Switches (Rotary Type Only) – Order either complete “3LD2” assemblies or individual “LBR” components as follows:

Complete Assemblies include switch, handle, and shaft. Certain 25 and 32A assemblies are also available with factory installed neutral blocks and/or aux. contacts. These accessories can also be ordered as field installed kits.

Individual Components are ordered as follows:

25A — LBR Switch + LBRH3 or 4 handle.

40–100A — LBR switch + LBRH3 or 4 handle + LBRD1.

Notes: (LBR Type switches only)

1. Aux contacts are available as field installed kits on 25A units only.

2. Lugs on 25A units face to the rear and lugs on 40–100A units face toward the front.

Base/DIN Rail Mounted Switches (Rotary or Toggle Type) – Order individual components as follows:

Toggle – Order the LBT switch required and a toggle switch cover plate if needed.

Rotary, Base Mounted with Door Mounted Handle – Order “LBR” switch + door mounted handle + shaft + any accessories.

Rotary, Base Mounted with Direct Mounted Handle – Order “LBR” switch + direct mounted handle.