Siemens Switch disconnector, 4-pole, 63A max and fuse current Part number 3LD2504-1TL51

Product Overview

The Siemens SENTRON switch disconnector (SKU: 3LD2504-1TL51) is a 4-pole main switch designed for fixed, front-panel mounting. With a rated operational current of 63 A, it provides reliable power isolation and switching for low-voltage industrial applications.

Key Features

• Four-pole main switch/disconnector (SENTRON 3LD series)
• Rated current: 63 A
• Front rotary operator with short black knob
• Lockable in OFF position for safe maintenance
• High front protection: IP65; suitable for harsh environments

Technical Specifications

• Product Type: Switch disconnector, SENTRON 3LD
• Article Number: 3LD2504-1TL51
• Poles: 4
• Rated Operational Current (AC-21): 63 A
• Rated Operating Power (AC-23 A): up to 22 kW @ 400 V
• Insulation Voltage (U_i): 690 V
• Surge Voltage Withstand: 6 kV
• Mechanical Service Life (typ.): 100,000 switching cycles
• Electrical Endurance (typ., AC-23 A): up to 6,000 switching cycles
• Front Degree of Protection: IP65

Compliance & Certifications

• Meets Siemens SENTRON switch disconnector standards for industrial use
• Lockable OFF position for safety compliance in maintenance operations

Applications

Ideal as a main isolator or maintenance switch in low-voltage switchgear and control panels for machinery, utilities, and general industrial installations requiring robust four-pole isolation and high front ingress protection.