Siemens Switch disconnector 3VA1, IEC frame 160, 3-pole, 100A

Product Overview

Switch disconnector designed for safe and reliable isolation of individual plant components and electrical circuits in industrial and infrastructure applications. This SENTRON 3VA1 series switch disconnector features IEC Frame 160 construction and operates in accordance with IEC 60947-3 standards. The device provides 100 A rated current capacity for medium-duty switching applications without overload or short-circuit protection functions, making it ideal for manual disconnection and isolation purposes in electrical distribution systems.

Key Features

• IEC 60947-3 compliant switch disconnector for reliable isolation switching
• IEC Frame 160 construction using proven 3VA molded case circuit breaker platform
• 3-pole configuration for three-phase system isolation and switching
• SD100 designation indicating 100 A rated uninterrupted current capacity
• No overload protection or short-circuit protection for pure switching function
• Clamp connection system for secure and reliable electrical connections
• Compact molded case design optimizes space utilization in electrical panels
• Manual operation for local switching and isolation control
• Part of comprehensive SENTRON protective component family

Technical Specifications

• Article Number: 3VA1110-1AA36-0AA0
• Product Series: SENTRON 3VA1 switch disconnectors
• Frame Size: IEC Frame 160
• Standard Compliance: IEC 60947-3 (switches, disconnectors, switch-disconnectors)
• Pole Configuration: 3-pole isolation switching
• Type Designation: SD100 switch disconnector
• Rated Current: In = 100 A (rated uninterrupted current)
• Protection Functions: Without overload protection, without short-circuit protection
• Connection Type: Clamp connection system
• Maximum Rated Operational Voltage: 690 V AC / 500 V DC
• IP Protection Rating: IP40 (front side)
• Control Element Color: Black
• Net Weight: 0.917 kg
• EAN: 4042948800614
• Country of Origin: Czech Republic

Applications & Use Cases

• Safe isolation and disconnection of individual plant components
• Manual switching in electrical distribution circuits
• Motor circuit isolation for maintenance and service operations
• Emergency disconnection in industrial process systems
• Electrical panel main disconnection and isolation
• Three-phase power distribution switching applications
• Infrastructure facility electrical isolation requirements
• Manufacturing equipment disconnect switches for safety compliance

IEC 60947-3 Compliance Benefits

• Safety Standards: Meets international standards for switch-disconnectors in low-voltage applications
• Isolation Performance: Provides reliable electrical isolation for maintenance and safety operations
• Switching Capability: Designed for safe switching of distribution and motor circuits up to 1000 V AC
• Dedicated Function: Purpose-built for switching and isolation without protective relay functions
• Code Compliance: Satisfies electrical installation requirements for disconnect switching
• International Acceptance: Global standard compliance enables worldwide deployment

Switch Disconnector Functionality

• Pure Switching Function: Designed exclusively for switching and isolation without protection features
• Manual Operation: Local manual control for switching and isolation operations
• Visible Disconnection: Clear indication of open/closed status for safety verification
• Load Switching: Capable of switching rated current under normal operating conditions
• Isolation Function: Provides reliable electrical isolation when in open position
• Maintenance Switch: Enables safe equipment isolation for maintenance and service work

Design & Construction

• Molded Case Platform: Based on proven 3VA molded case circuit breaker design for reliability
• IEC Frame 160: Standardized frame size ensures compatibility with existing installations
• Clamp Connections: Secure connection system accommodates various conductor types and sizes
• Compact Profile: Space-efficient design maximizes panel utilization efficiency
• Industrial Grade: Robust construction suitable for demanding industrial environments
• Front Mounting: Standard panel mounting configuration for electrical distribution systems

SENTRON Integration

• SENTRON Portfolio: Integral component of comprehensive Siemens protective component family
• Modular Accessories: Compatible with standardized accessories across 3VA series
• System Compatibility: Integrates seamlessly with SENTRON distribution and control systems
• Universal Design: Standardized accessories work across multiple 3VA frame sizes
• Flexible Configuration: Supports various application-specific installation requirements

Installation & Operation

• Fixed Installation: Permanent mounting in electrical panels and switchgear
• Standard Mounting: Compatible with standard electrical panel mounting systems
• Clamp Terminals: Accommodates various conductor sizes for flexible installation
• Manual Handle: Local operation handle for switching and status indication
• Clear Status: Visual indication of switch position for safety verification
• Accessible Design: User-friendly operation and maintenance access

Switching Performance

• Rated Current: 100 A continuous current carrying capacity under normal conditions
• Voltage Range: Suitable for 690 V AC and 500 V DC systems
• Three-Phase Capability: Simultaneous switching of all three phases for system isolation
• Mechanical Endurance: Robust construction for reliable long-term switching operation
• Temperature Stability: Consistent performance across industrial temperature ranges
• Contact Reliability: High-quality switching contacts for dependable operation

Safety & Standards

• IEC 60947-3 Compliance: Designed and tested to international switch-disconnector standards
• Isolation Safety: Provides reliable electrical isolation for personnel and equipment safety
• Manual Control: Direct manual operation eliminates remote switching safety concerns
• Status Indication: Clear visual indication of switching position for safety verification
• Contact Separation: Adequate contact separation ensures reliable isolation function
• Arc Management: Effective arc extinction for safe switching operations

Maintenance & Service

• Service Access: Easy access for inspection and maintenance operations
• Minimal Maintenance: Robust design requires minimal routine maintenance
• Contact Inspection: Accessible contact system for periodic inspection
• Long Service Life: Durable construction ensures extended operational lifetime
• Replacement Parts: Standardized components simplify maintenance and repair
• Documentation: Comprehensive technical documentation supports maintenance activities

Compliance & Environmental Information

• RoHS Compliance: Since 01.04.2014
• WEEE Take-Back Obligation: Yes
• REACH Article 33: Contains Lead in concentrations higher than 0.1% weight by weight. These substances do not pose risk when used as intended.

Classification Data

• eClass 14: 27-37-14-03
• eClass 12: 27-37-14-03
• ETIM 9: EC000216

Download existing graphical data for this product:

• Product Datasheet
• SENTRON 3VA Switch Disconnectors Product Family
• Technical Data for SENTRON 3VA1 Switch Disconnector
• 3VA IEC/UL Manual for Molded Case Circuit Breakers
• 3VA Molded Case Circuit Breakers Manual
• Switch Disconnectors Technical Guide