Siemens Load disconnector 3LD3,16A main switch, 3-pole, 23A Part number 3LD3030-0TK11

Product Overview

The Siemens 3LD3030-0TK11 is a 3-pole load-disconnector switch designed for installation in distribution boards. It provides a rated current of 16 A and is part of the 3LD3 series of switch-disconnectors. Its compact, panel-mounted design enables safe switching and disconnection of three-phase circuits in industrial low-voltage power systems.

Key Features

• 3-pole main switch for three-phase systems
• Rated operational current: 16 A
• Switch-disconnector function with rotary selector knob
• Installation in distribution boards—compact footprint
• Suitable for disconnection, isolation and maintenance applications in industrial power systems

Technical Specifications

• Article Number: 3LD3030-0TK11
• Product Series: Siemens 3LD3 load-disconnectors
• Number of Poles: 3
• Rated Current (Iu): 16 A
• Rated Operational Capacity (AC-23A) at 400 V: 7.5 kW
• Mounting Type: Panel mounting (cut-out)
• Ambient Operating Temperature: approx. –25 °C to +55 °C
• Protection Rating (Front): typically IP40

Compliance & Certifications

• Manufactured to Siemens industrial switch-gear quality standards
• Designed for use in low-voltage distribution boards and industrial power systems

Applications

Used as a main switch, isolator, or load-disconnect switch in industrial low-voltage distribution panels and control boards. Ideal for machine rooms, power distribution cabinets and industrial installations where safe, compact, 3-pole switching of three-phase circuits is required.