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Eaton / Moeller Series

AT0-11-1-IA/ZS055053

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1N/O + 1N/C, position switch, rounded plunger, IP65, IEC/EN

The Eaton AT0-11-1-IA/ZS is a wide-enclosure position switch with a rounded plunger actuator and center fixing design. It features one normally open (N/O) and one normally closed (N/C) contact with slow-action operation. Built for durability, it provides up to 20 million mechanical operations and includes screw terminal connections for secure wiring. The device offers IP65 protection, an insulated plastic housing, and operates reliably between −25 °C and +70 °C. Compliant with IEC/EN 60947 and EN 50047 Form B, it supports both AC and DC switching and is suitable for industrial automation and safety applications requiring positive opening to IEC/EN 60947-5-1.

Country of Origin: DE

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  • Product Specifications
  • Technical Specifications
Brand Eaton
Model AT0-11-1-IA/ZS
Catalog Number 055053
Product Type Position Switch
Enclosure Type Wide, Centre Fixing
Actuator Type Rounded Plunger
Contact Configuration 1 N/O + 1 N/C
Action Type Slow Action
Mounting Position As required
Connection Type Screw Terminal
Enclosure Material Insulated Plastic Housing
Enclosure Color Grey
Degree of Protection IP65
Mechanical Life 20 × 10⁶ operations
Positive Opening Yes (IEC/EN 60947-5-1)
Suitable for Safety Functions Yes
Rated Insulation Voltage (Ui) 500 V AC
Rated Impulse Withstand Voltage (Uimp) 6 kV
Rated Operational Current (AC-15 / 24 V) 10 A
Rated Operational Current (AC-15 / 230 V) 6 A
Rated Operational Current (AC-15 / 415 V) 4 A
Rated Operational Current (DC-13 / 24 V) 10 A
Rated Operational Current (DC-13 / 110 V) 1 A
Rated Operational Current (DC-13 / 220 V) 0.5 A
Short-Circuit Protection 6 A gG/gL fuse (max)
Ambient Temperature Range −25 °C to +70 °C
Repetition Accuracy 0.02 mm
Actuating Force 1.0 N (start) / 8.0 N (end)
Terminal Capacity (Solid) 1 × (0.75–2.5 mm²) / 2 × (0.75–1.5 mm²)
Terminal Capacity (Flexible w/ Ferrule) 1 × (0.5–1.5 mm²) / 2 × (0.5–1.5 mm²)
Supply Frequency Max 400 Hz
Operating Frequency ≤ 6000 operations/h
Protection Standard IEC/EN 60947-5-1
Environmental Tests IEC 60068-2-78 / -2-30 (Damp Heat)

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