Siemens 3LD Switch Disconnector, Main Switch, 3-Pole, Iu: 16 A, Operating Power/…
£44.42 Incl. VAT
SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 16 A, Operating power / at AC-23 A at 400 V: 7.5 kW, front-mounted, 1 NC, 1 NO, rotary operating mechanism, black, 4-hole mounting of the handle The 3LD main and emergency switching-off switch as a maintenance switch for safe disconnection of loads in a wide variety of environments. There are numerous possible applications for the 3LD 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. 3LD have proven themselves in many fields, particularly in processing machines in mechanical and conveyor system engineering, and in the chemical sector and food and beverage industries. 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 and global applications possible thanks to international IEC, UL and marine approvals. 3. Degree of protection IP65 with encapsulated housing for outdoor applications. 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 250 A with lockable rotary operating mechanism.
Description
Technical Specifications Technical Specifications Switch disconnector / isolator Colour control element Black Type of electrical connection of main circuit Frame clamp Type of control element Short thumb-grip Degree of protection (IP), front side IP65 Device construction Suitable for fixed installation Rated operation power at AC-3, 400 V 6 kW Number of auxiliary contacts as normally closed contact 1 Conditioned rated short-circuit current Iq – kA Number of poles 3 Number of auxiliary contacts as normally open contact 1 Rated permanent current Iu 16 A Rated operation power at AC-23, 400 V 8 kW Switching power at 400 V – kW Number of switches 1 Rated permanent current at AC-21, 400 V 16 A Max. rated operation voltage Ue AC 690 V Rated short-time withstand current lcw 0.34 kA Number of auxiliary contacts as change-over contact 0 Rated permanent current at AC-23, 400 V 16 A Rated operating voltage – V Version as emergency stop installation No Motor drive integrated No Version as main switch Yes Version as maintenance-/service switch Yes Suitable for distribution board installation No Suitable for intermediate mounting No Version as safety switch Yes Version as reversing switch No Motor drive optional No Suitable for front mounting centre No Interlockable Yes Suitable for front mounting 4-hole Yes Voltage release optional No