Siemens 3LD Switch Disconnector, Emergency Stop Switch, 4-Pole, Iu: 63 A, Operating Power …
£113.29 Incl. VAT
SENTRON, Switch disconnector 3LD, emergency switching-off switch, 4- pole, Iu: 63 A, operating power / at AC-23 A 400 V: 22 kW, floor mounting with door coupling, rotary operating mechanism, Red / yellow, central mounting 22.5 mm of the handle The 3LD main and emergency off switch for safe disconnection of loads in a wide variety of environments. There are numerous possible applications for the 3LD3 disconnector units. After disconnects from the grid, they ensure safe activation of all of the electrical equipment, thus switch, for example, to three-phase motors, but also air-conditioning and ventilation systems. 3LD3 are also ideal for control panels, in particular for applications in small machines (for example saws, compressors, pumps, concrete mixers, drills, mills, and woodworking machinery) Key features of the Siemens 3LD main and emergency off switches: 1. Modular design, fast and easy mounting of auxiliary switches, N-PE terminal, or 4-pole 2. Versatile thanks to local approvals. 3. One mechanical size for five electrical sizes. 4. Can be used for DC applications. 5. Types of mounting: Front mounting, mounting plate, standard mounting rail. 6. Optimized disconnect from 16 A to 63 A with lockable rotary operating mechanism.
Description
Technical Specifications Technical Specifications Switch disconnector / isolator Type of electrical connection of main circuit Frame clamp Colour control element Red Type of control element Short thumb-grip Device construction Suitable for fixed installation Number of poles 4 Degree of protection (IP), front side IP65 Number of auxiliary contacts as normally closed contact 0 Rated short-time withstand current lcw 1.26 kA Rated operation power at AC-3, 400 V 19 kW Rated operation power at AC-23, 400 V 22 kW Number of auxiliary contacts as change-over contact 0 Switching power at 400 V – kW Number of switches 1 Rated permanent current at AC-21, 400 V 63 A Max. rated operation voltage Ue AC 690 V Conditioned rated short-circuit current Iq – kA Rated permanent current Iu 63 A Number of auxiliary contacts as normally open contact 0 Rated permanent current at AC-23, 400 V 43 A Rated operating voltage – V Version as emergency stop installation Yes Version as maintenance-/service switch Yes Version as safety switch Yes Motor drive integrated No Version as main switch Yes Suitable for distribution board installation No Suitable for intermediate mounting No Version as reversing switch No Motor drive optional No Suitable for front mounting 4-hole No Suitable for front mounting centre Yes Interlockable Yes Voltage release optional No