Schneider 31106 | switch-disconnector Compact INS250 – 250 A – 3 poles

Technical Specifications

• Manufacturer: Schneider Electric

• Product Reference: 31106

• Product Type: Switch Disconnector

• Series: Compact INS250

• Rated Current (In): 250 A

• Number of Poles: 3P (Three Pole)

• Rated Operational Voltage (Ue): Up to 690V AC

• Utilization Category: AC-22A (for mixed resistive and inductive loads)

• Standards Compliance: IEC 60947-3

• Switching Mechanism: Manual, with rotary handle (handle not included in base reference)

• Mounting Type: DIN rail or backplate mounting

• Degree of Protection: IP20 at terminals (when enclosed)

• Mechanical Endurance: Up to 10,000 operations

• Electrical Endurance: Up to 1,500–2,000 operations (under full load)

• Compatible Handles: INS rotary handles (standard, extended, direct, or external)

• Padlock Capability: Yes, via compatible handle options

• Dimensions: Compact modular width for panel integration

Key Features

• High-Rated Current Capability
  Supports circuits up to 250A, suitable for heavy-duty electrical systems and main switch applications.

• Safe Isolation Function
  Clearly separates the power source from the circuit for maintenance, inspection, or emergency shut-off.

• Three-Pole Disconnection
  Ensures simultaneous opening of all three phases, offering balanced and secure isolation in three-phase networks.

• Flexible Handle Options
  Compatible with a wide range of Schneider rotary handles, including options for direct or door-coupled operation.

• Accessory Integration
  Supports various add-ons such as auxiliary contacts, terminal shields, and voltage monitoring accessories.

• Reliable Construction
  Built with industrial-grade materials for durability and dependable performance in demanding environments.

• Space-Efficient Design
  Compact structure allows for easy integration into switchboards, MCCs, and control panels.

• Visible ON/OFF Indication
  Provides clear indication of contact position, enhancing operational safety and system transparency.

Applications

• Main Switch in Distribution Boards
  Used as the primary isolation switch for entire electrical panels or sub-panels.

• Industrial Electrical Installations
  Suitable for manufacturing facilities, processing plants, and machinery isolation.

• Commercial Power Distribution
  Ideal for office buildings, malls, and complex infrastructure needing robust isolation.

• Motor and Machine Disconnecting
  Used to isolate power to motors, HVAC units, and heavy equipment during servicing.

• Renewable Energy Installations
  Provides safe disconnection for high-capacity solar PV systems and battery storage units.

• Critical Power Systems
  Used in hospitals, data centers, and utilities where controlled shutdown and maintenance are essential.