Schneider A9E18074 Acti9 iSSW Linear Switch 2 C/O 3 positions 20A 250V

The Schneider Electric A9E18074 is an Acti 9 iSSW linear changeover switch with 2 C/O contacts, rated at 20 A and 250 V AC, designed for electrical circuit control with manual 3-position operation. Compact and DIN rail mountable, it suits applications requiring manual circuit changeover in low-voltage distribution panels.

Technical specifications:

• Commercial reference: A9E18074
• Manufacturer: Schneider Electric
• EAN:
• Series / range: Acti 9 iSSW
• Product type: Changeover / transfer switch
• Number of poles: 2P
• Contact type and composition: 2 C/O
• Rated current: 20 A
• Rated voltage: 250 V AC 50/60 Hz
• Operating mode: 3-position handle (1 - 0 - 2)
• Mounting method: Clip-on (snap-fit)
• Mounting support: DIN rail
• Module width: 4 x 9 mm modules
• Height: 82 mm
• Width: 36 mm
• Depth: 75 mm
• Color: White
• Electrical endurance: AC-22: 30,000 cycles at cos = 0.8
• Connection type: Large tunnel terminal (bottom) - 2 cables, 0.5...2.5 mm² flexible or rigid without ferrule
• Strip length: 9 mm
• Tightening torque: 1 N.m
• IP protection rating: IP20 per IEC 60529
• Tropicalization: Level 2
• Pollution degree: 3
• Relative humidity: 95% at 55 °C
• Operating temperature: -20...50 °C
• Storage temperature: -40...70 °C
• Standards: IEC 60947-5-1, IEC 60669-1
• Warranty: 18 months

Features and benefits:

• 3-position handle (1 - 0 - 2) enables clear source selection with an OFF neutral position for safe circuit isolation during switching
• Snap-fit DIN rail mounting allows fast, tool-free installation within standard distribution boards
• Large tunnel terminals accept both flexible and rigid cables up to 2.5 mm², simplifying field wiring
• Compact 4-module (36 mm) footprint conserves panel space while providing 2 C/O switching
• Rated for 30,000 electrical cycles at AC-22, ensuring long service life in frequently switched applications

Applications:

• Manual source changeover between two independent circuits in residential and commercial distribution boards
• Generator/mains manual transfer switching in small installations
• Electrical circuit control in industrial automation and control panels
• Low-voltage switching in building automation and facility management enclosures

Compliant with IEC 60947-5-1 and IEC 60669-1. Part of the Schneider Electric Acti 9 range.

Also known as: Schneider A9E18074, Schneider Electric A9E18074, Acti9 iSSW changeover switch, 2-pole transfer switch 20A.