Siemens Switch disconnector, non-fused, panel mount, 6-pole, 9.5kW, 25A, IP65 Part number 3LD2165-4VD53

Product Overview

The Siemens 3LD2165-4VD53 is a SENTRON main and emergency-off switch designed for reliable isolation and disconnection of electrical circuits up to 690 V AC. It features a robust 3-pole configuration with a rated operational current of 160 A (AC-23A duty) and is equipped with a red rotary operating mechanism and yellow background plate for clear emergency-stop identification. This switch is built for panel or door mounting and is ideal for use in industrial control panels, machinery, and distribution systems requiring safe isolation and visible disconnection.

Key Features

• Switch Type: Main and emergency-off switch for isolation and safety disconnection
• Poles: 3-pole configuration for three-phase circuits
• Rated Operational Current: 160 A (AC-23A at 400 V)
• Rated Operational Voltage: Up to 690 V AC
• Operating Handle: Red rotary handle with yellow background for emergency-off use
• Mounting: Suitable for door or panel mounting applications
• Terminal Type: Screw terminals for secure electrical connections
• Durability: High mechanical endurance for frequent switching operations
• Country of Origin: Germany

Technical Specifications

• Product Series: SENTRON 3LD2 Switch Disconnectors
• Rated Operational Current (AC-23A, 400 V): 160 A
• Rated Insulation Voltage: 800 V
• Rated Impulse Withstand Voltage: 8 kV
• Rated Operational Voltage: 690 V AC (50/60 Hz)
• Utilization Category: AC-23A / AC-3 suitable for motor and resistive loads
• Number of Poles: 3 main poles
• Rated Conditional Short-Circuit Current: 50 kA (with fuse protection)
• Mounting Type: Door or panel mounting with rear connection
• Handle Type: Rotary handle, red/yellow, lockable in OFF position
• Protection Class: IP65 at the front (when properly installed)
• Terminal Capacity: 1 × (25–95 mm²) solid/stranded conductors
• Operating Temperature Range: -25 °C to +55 °C
• Mechanical Service Life: Up to 100,000 switching operations
• Dimensions (W × H × D): Approx. 165 mm × 210 mm × 105 mm
• Weight: Approx. 1.8 kg

Compliance & Certifications

• Standards: IEC 60947-3 (switch disconnectors and isolators)
• CE Marking: Conforms to EU safety directives
• UL/CSA Certification: Approved for use in international markets
• RoHS Compliant: Free from restricted hazardous substances
• REACH Conformant: Meets EU environmental and chemical safety regulations
• Protection Class: IP65 (front), IP20 (rear)

Applications

Ideal for use as a main switch or emergency-off switch in industrial machinery, control panels, and power distribution systems. Commonly used in manufacturing, process plants, and equipment installations requiring visible isolation and reliable operator safety. The red/yellow handle design ensures clear identification for emergency disconnection in accordance with IEC and EN safety standards.