Catalog > Electro-Mechanical Components > Connectors > Interface Connectors > Industrial Sentron, Switch Disconnector 3LD Sentron Switch Disconnector 3LD Disconnector 3LD2704-0TK51 Sentron, Switch Disconnector 3LD, Main Switch, 3-pole, IU: 100 A, Operating Power / At AC-23 A At 400 V: 37 KW 100.00 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Specifications Product designation: Switch disconnector, main switch, 3-pole Brand / series: Siemens SENTRON “3LD” series Rated current (Iu): 100 A Poles: 3 Rated insulation voltage: 690 V Operating power (AC-23 A) at 400 V: 37 kW Operating power (AC-23 A) at 690 V: 30 kW Mechanical service life (typical): 100,000 operating cycles Electrical endurance at AC-23 A / 690 V: 6,000 operating cycles Surge voltage resistance: 6 kV Protection class / Degree of protection: IP65 on front Power loss per pole (at rated current): Approximately 7.5 W Mounting type: Front-mounted, 4-hole mounting of handle Connection conductor cross-section (main circuit): Solid: 4 – 50 mm² • Stranded: 4 – 35 mm² Ambient temperature (operation): –25 °C to +55 °C Weight (approx.): 0.49 kg Function: Main and emergency-off switch for motor or power isolation applications Downloads Datasheet PDF File 435.22 KB