Katko Changeover Switch 40A Original

The Katko 40A Original Manual Changeover Switch is a heavy-duty industrial electrical switch designed to safely transfer electrical loads between a main utility supply and a backup generator. Widely used in residential, commercial, and industrial installations in Kenya, this switch ensures uninterrupted power management during outages or maintenance. Built with a robust rotary mechanism and high-quality insulating materials, it provides safe, reliable, and efficient power switching. Its weatherproof and dust-tight enclosure makes it suitable for both indoor and outdoor installations, offering dependable performance even in harsh environmental conditions.

Product Features

40A Heavy-Duty Power Handling

Designed to support up to 40 Amps, this changeover switch efficiently manages medium to high electrical loads in generator and mains power systems.

Three Position Rotary Operation

Features a clear I-O-II switching system that allows smooth transfer between mains supply, off position, and generator power.

Safe Power Transfer System

Engineered with mechanical interlocking to prevent simultaneous connection of two power sources, eliminating the risk of backfeeding.

Weatherproof IP65/IP66 Protection

Built with a sealed enclosure that protects against dust, water, and harsh environmental conditions, making it suitable for outdoor installations.

High-Quality Insulating Housing

Constructed from self-extinguishing polycarbonate material that offers excellent electrical insulation and fire resistance.

Padlockable Safety Handle

Includes a lockable handle system to prevent unauthorized operation and enhance safety during maintenance.

Durable Silver Contact System

Equipped with premium silver contacts for stable conductivity, reduced wear, and long-lasting electrical performance.

Generator and Grid Compatibility

Specifically designed for safe switching between utility grid power and generator backup systems.

Product Specifications

• Product Name: Katko 40A Original Manual Changeover Switch
• Brand: Katko
• Product Type: Manual Changeover Switch
• Current Rating: 40A
• Voltage Capacity: Up to 690V AC
• Switching Positions: 3-position (I – 0 – II)
• Phase Configuration: 3-pole or 4-pole (TPN)
• Enclosure Material: Self-extinguishing polycarbonate or aluminium (depending on model)
• Protection Rating: IP65 / IP66
• Standards Compliance: IEC 60947-3
• Operating Mechanism: Rotary handle switch
• Safety Features: Mechanical interlock and padlockable handle
• Contact Material: High-quality silver contacts
• Temperature Range: Wide operating temperature tolerance
• Chemical Resistance: Resistant to common industrial chemicals
• UV Resistance: Suitable for outdoor exposure
• Application: Generator changeover, mains transfer, industrial and residential backup power systems