ABB STOTZ-KONTAKT Main Switch 100A 3-Pole Grey E203/100G (2CDE283001R1100)

In industrial and commercial electrical installations, a reliable main switch is essential for safe isolation and control of power circuits. The ABB STOTZ-KONTAKT Main Switch E203/100G provides a robust solution for switching and isolating three-phase loads up to 100 A. Its compact 3-module width saves space on the DIN rail while delivering high performance and durability.

Who is it for

This main switch is intended for electricians, panel builders, and facility managers who need a dependable disconnecting device for distribution boards, motor control centers, and machine supply circuits. It is suitable for use in industrial environments, commercial buildings, and infrastructure projects where three-phase switching is required.

Main features

• 100 A rated current for demanding applications
• 3-pole configuration for three-phase systems
• Toggle lever actuator for clear ON/OFF indication
• Compact 3-module width (52.5 mm) saves space
• DIN rail mounting for quick installation
• High electrical endurance: 10,000 cycles
• Mechanical endurance: 20,000 cycles

Specifications

• Rated operational voltage: 230/400 V AC
• Rated insulation voltage: 440 V AC
• Rated impulse withstand voltage: 4 kV
• Rated short-time withstand current: 1 kA for 1 s
• Degree of protection: IP20 (terminals), IP40 (installed)
• Terminal capacity: 1.5 - 50 mm² (rigid/flexible)
• Operating temperature: -25 to +55 °C
• Standards: IEC/EN 60947-3
• Colour: Grey

Tips

Ensure proper torque on screw terminals according to manufacturer guidelines to maintain reliable connections. For installations in dusty or humid environments, consider an additional enclosure to achieve a higher degree of protection.