Siemens Switch disconnector, 3-pole, 23A at 400V, 7.5kW Part number 3LD2064-0TB51

Product Overview

The Siemens 3LD2064-0TB51 is a SENTRON 3LD switch disconnector designed for use as a main switch in low-voltage electrical installations. It is a 3-pole device with a rated uninterrupted current of 16 A and is suitable for switching duties in utilization category AC-23 A, delivering an operating power of 7.5 kW at 400 V. The switch is housed in a molded-plastic encapsulation with provision for metric cable glands and features a black rotary operating mechanism for clear and reliable manual operation.

Key Features

• SENTRON 3LD switch disconnector for main switch and isolation duties
• 3-pole configuration for three-phase circuits
• Rated uninterrupted current (Iu): 16 A
• Utilization category AC-23 A for mixed resistive and inductive loads
• Operating power of 7.5 kW at 400 V
• Molded-plastic encapsulated design for compact, protected installation
• Suitable for metric cable gland entries
• Rotary operating mechanism with black handle

Technical Specifications

• Article Number: 3LD2064-0TB51
• Product Family: SENTRON 3LD
• Function: Switch disconnector / main switch
• Number of Poles: 3
• Rated Uninterrupted Current (Iu): 16 A
• Utilization Category: AC-23 A
• Operating Power: 7.5 kW at 400 V (AC-23 A)
• Rated Operational Voltage: up to 690 V AC
• Enclosure: Molded-plastic encapsulation
• Cable Entry: Metric cable gland
• Operating Mechanism: Rotary handle
• Handle Colour: Black

Compliance & Standards

• Part of the Siemens SENTRON 3LD switching and isolation range
• Designed for utilization category AC-23 A switching applications
• Suitable for use as a main switch in low-voltage installations

Applications

The Siemens 3LD2064-0TB51 is used as a main switch or local isolator for three-phase loads in control panels, machinery enclosures, and small distribution boards. Its AC-23 A switching capability makes it suitable for motor feeders and combined resistive/inductive loads, while the molded enclosure and cable gland support provide a compact and protected solution for industrial and commercial electrical installations.