EATON IS-40/3 Modular Isolation Switch 40A 3-Pole 3M 415V AC

The EATON IS-40/3 is a high-quality modular isolation switch designed for reliable electrical disconnection and isolation in industrial and commercial installations. With a rated current of 40A and 3 poles, this switch ensures safe maintenance and circuit protection. It complies with IEC/EN 60947-3 standards and is suitable for DIN rail mounting, occupying 3 module spaces.

Advantages

Robust construction ensures long electrical and mechanical life. Compact 3-module width saves space in distribution boards. Clear ON/OFF indication provides visual status confirmation. High impulse withstand voltage enhances safety in transient conditions.

Suitable for

• Industrial control panels
• Commercial building distribution boards
• Machine tool disconnection
• Motor isolation applications

Key specifications

• Rated current: 40 A
• Number of poles: 3
• Rated operational voltage: 415 V AC
• Rated insulation voltage: 440 V AC
• Rated impulse withstand voltage: 4 kV
• Mounting: DIN rail
• Module width: 3 modules (3M)
• Degree of protection: IP40 front, IP20 terminals
• Terminal capacity: solid 1-25 mm², flexible 1-16 mm²
• Operating temperature: -25 to +50 °C
• Rated short-circuit withstand current (Icw): 1.5 kA (1s)
• Rated short-circuit making capacity (Icm): 1.5 kA peak
• Electrical life: 10,000 operations
• Mechanical life: 20,000 operations
• Standards: IEC/EN 60947-3

Recommendations

For optimal performance, ensure proper torque settings during installation and use appropriate cable lugs for flexible conductors. Always verify voltage and current ratings match your application.