Siemens Sentron Switch disconnector, 3-pole, front mount, 16A Part number 3LD2054-0TK53

Product Overview

The Siemens 3LD2054-0TK53 is a 3-pole non-fused switch disconnector from the SENTRON 3LD series, designed for front-panel mounting and emergency-off / main-switch applications. It supports a rated current of 16 A and provides a high operating power (e.g., 7.5 kW at AC-23 A / 400 V) for demanding industrial installations. It features a rotary knob operator and is rated for IP65 protection from the front.

Key Features

• 3-pole design (for three-phase systems)
• Rated operational current: 16 A
• Operating power: approximately 7.5 kW at 400 V AC (AC-23A) for heavy loads
• Front-mounted rotary knob actuation (ON/OFF) with red handle suitable for emergency off usage
• Panel mounting with dimensions approx. 67 mm width × 84 mm height
• High ingress protection: IP65 from the front, suitable for industrial environments
• Designed for safe isolation and emergency shutdown in control panels and machines

Technical Specifications

• Product Series: SENTRON 3LD switch disconnector series
• Article Number: 3LD2054-0TK53
• Number of Poles: 3
• Rated Current (Iu): 16 A
• Rated Voltage: 690 V AC (insulation voltage), suitable up to AC 23 applications
• Operating Power (AC-23A at 400 V): approx. 7.5 kW
• Front Protection Class: IP65
• Mechanical Dimensions (approx.): Height: 84 mm; Width: 67 mm; Depth: 117 mm

Compliance & Certifications

• Manufactured to Siemens industrial quality standards
• Conforms to international switch disconnector standards (e.g., IEC/EN for main switches and disconnectors)
• Designed for front-panel mounting with emergency‐off functionality in industrial machinery and control panels

Applications

Ideal for emergency stop or main disconnect use in industrial control panels, machine tools, switchboards and automation systems requiring reliable isolation of three-phase circuits; especially suited to applications where high switching power and IP65 front protection are required.