SENTRON, Switch disconnector 3LD, main switch, 3-pole, Iu: 100 A, Operating power / at AC-23 A at 400 V: 37 kW, floor mounting with door coupling, rotary operating mechanism, black, 4-hole mounting of the handle Main and EMERGENCY OFF switch SENTRON 3LD2 for the safe shutdown of loads in many areas, e.g. for three-phase motors, air conditioning and ventilation systems, in machining and processing machines in mechanical and conveyor system construction, in the chemical or in the food and beverage industry. Modular design, fast and easy mounting of auxiliary switches, N-PE terminal, or 4th pole. Optimum disconnection of 16 A of 250 A from the power supply due to the locking capability of the rotary operating mechanism. Degree of protection IP65 with encapsulated enclosure for outdoor applications. Versatile and can be used worldwide thanks to international IEC, UL, CCC, and shipbuilding approvals. The 3LD main and EMERGENCY-OFF switches are available in a wide range of variants for front mounting, mounting plate, DIN rail, or installation in distribution boards, optionally with direct or door-coupling rotary operating mechanism. 3LD2 is also available in variants for DC applications. Main and EMERGENCY-OFF switch 3LD - End-to-end safety for users and systems.

Link to Product Page - https://www.industry-mobile-support.siemens-info.com/#/en/product/3LD27140TK51

The 3LD27140TK51 Door Interlock Isolator is a reliable 3-pole switch disconnector designed for industrial and commercial electrical systems. Rated at 100A with a 37kW operating capacity at 400V (AC-23A), it ensures safe and efficient isolation. Featuring a door coupling mechanism, manual ON/OFF operation, and a robust black rotary knob, this Siemens isolator is perfect for floor mounting and central hole installations. Its durable construction guarantees long-lasting performance in demanding applications.