Siemens Sentron Switch disconnector, 4-pole, 11.5kW, 32A Part number 3LD2254-1TL53

Product Overview

The Siemens 3LD2254-1TL53 is the Siemens Load Break Switch, 4-pole, 80 A, designed for reliable isolation and switching under load in industrial power distribution systems. Part of the robust 3LD2 switch-disconnector series, it provides safe electrical isolation, compact installation dimensions, and high switching durability, making it ideal for machinery, control panels, and main/maintenance disconnect applications.

Key Features

• 4-pole load break switch (switch-disconnector) for AC and DC applications
• Rated operational current: 80 A
• High switching capacity for industrial load isolation
• Front-mounted rotary operating mechanism
• Includes handle and shaft for direct installation
• Padlockable in OFF position for maintenance safety
• Compact footprint for switchboards and machinery
• Suitable for main, emergency-off, or maintenance isolation
• Durable construction suitable for harsh industrial environments

Technical Specifications

• Article Number: 3LD2254-1TL53
• Product Series: SIRIUS 3LD2 Load Break Switches
• Number of Poles: 4
• Rated Operational Current (Ie): 80 A
• Rated Operating Voltage: up to 690 V AC
• Switching Duty: AC-23A / AC-23B suitable
• Mounting Type: Front mounting with included shaft and rotary handle
• Handle Color: Typically black with red/yellow variants depending on configuration
• Padlockable: Yes — OFF position lockable for safety
• Mechanical Durability: High cycle life typical of 3LD2 series devices
• Environmental Suitability: For industrial control panels and distribution cabinets

Compliance & Certifications

• Compliant with IEC/EN 60947-3 for switch-disconnectors
• Supports safe isolation and lockable OFF position per industrial safety requirements
• Suitable for CE and global industrial installations

Applications

The Siemens 3LD2254-1TL53 is used as a main disconnect, maintenance isolator, or load break switch in machinery, control panels, power distribution systems, and industrial equipment. It is ideal for applications requiring safe load switching, lockable isolation, compact installation, and long mechanical service life — including motor control centers, HVAC systems, conveyor systems, and general manufacturing environments.