Siemens Sentron Switch disconnector, 3LD, main switch, 6-pole, 9.5kW, 25A Part number 3LD2165-3VB51

Product Overview

The Siemens 3LD2165-3VB51 is a 6-pole main switch/disconnector in the SENTRON 3LD series, rated for continuous current of 25 A and designed for low-voltage distribution systems. It features a moulded-plastic enclosure with fixed mounting and is suitable for switch/disconnector and safety switch applications.

Key Features

• 6-pole configuration (3 phases + N + PE) for comprehensive circuit isolation
• Continuous rated current Iu: 25 A
• High operating power capability: approximately 10 kW at 400 V (AC-23 A)
• Moulded plastic enclosure designed for metric cable glands
• Short rotary knob (black) actuator for manual operation
• Lockable in OFF position with up to 3 padlocks (hasp thickness 4–8 mm) for safe isolation

Technical Specifications

• Product Series: SENTRON 3LD Switch-Disconnectors
• Article Number: 3LD2165-3VB51
• Number of Poles: 6
• Rated Continuous Current Iu: 25 A
• Rated Insulation Voltage (Ui): 690 V
• Operating Power (AC-23 A at 400 V): 9.5 kW
• Rated Current (AC-21 at 690 V): 25 A
• Surge Withstand Voltage: 6 kV
• Protection Class Front: IP65
• Mechanical Service Life: ~100,000 operations
• Dimensions (H × W × D): 188 mm × 146 mm × 149 mm
• Net Weight (approx.): 0.85 kg

Compliance & Certifications

• Conforms to IEC/EN 60947-3 for switch-disconnectors
• Designed under Siemens industrial quality standards with RoHS compliance

Applications

The Siemens 3LD2165-3VB51 is suitable for main isolation, switch-disconnector tasks and safety switching in industrial control panels, switchgear assemblies and distribution boards. Its 6-pole design provides full neutral and earth isolation, making it ideal for systems requiring complete disconnect of multi-phase supplies including neutral.