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Eaton / Moeller Series

LS4/S12-7/IB/ZB106859

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6A AC-15, 1NO+2NC, safety position switch, screw terminal, positive opening contacts, IEC/EN/UL/CSA/CE

The Eaton LS4/S12-7/IB/ZB is a complete safety position switch designed for reliable safety interlocking applications. It features one normally open (1 N/O) and two normally closed (2 N/C) slow-action contacts with positive opening operation per IEC/EN 60947-5-1. Built with a durable insulated plastic housing and screw terminals, it offers IP65 protection and operates from −25 °C to +70 °C. The switch’s operating head can be rotated 90° for flexible mounting, but it must not be used as a mechanical stop. Rated at 6 A (AC-15) and 3 A (DC-13), the device complies with IEC/EN 60947-5, UL 508, CSA-C22.2 No. 14, and CE standards.

Country of Origin: DE

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  • Product Specifications
  • Technical Specifications
Brand Eaton
Part No. LS4/S12-7/IB/ZB
Catalog No. 106859
Product Type Safety position switch (complete unit)
Actuator ZB (rotatable head 90°)
Contacts 1 N/O + 2 N/C (slow-action, positive opening)
Housing Insulated plastic material
Connection Type Screw terminal (PH1)
Degree of Protection IP65
Ambient Temperature −25 °C … +70 °C
Mounting Position As required
Features Positive-opening contacts, safety-rated, complete device
Notes Do not use as a mechanical stop; actuator can be rotated
Rated Insulation Voltage (Ui) 500 V
Rated Impulse Withstand Voltage (Uimp) 6 kV (AC 6000 V)
Overvoltage Category / Pollution Degree III / 3
Operational Current (AC-15) 6 A at 24 V / 230 V; 4 A at 380–415 V
Operational Current (DC-13) 3 A at 24 V; 0.8 A at 110 V; 0.3 A at 220 V
Supply Frequency ≤ 400 Hz
Short-Circuit Protection Max 10 A gG/gL fuse; Icc 1 kA (conditional)
Repetition Accuracy 0.02 mm
Mechanical Life 1.5 × 10⁶ operations (≤ 1800 ops/h)
Actuating Force (begin / end of stroke) 15 N / 20 N (plug-in/pull-out)
Shock Resistance 5 g (half-sine, 20 ms)
Terminal Capacity (solid) 1×(0.75–2.5 mm²) or 2×(0.75–1.5 mm²)
Terminal Capacity (flex w/ ferrule) 1×(0.5–1.5 mm²) or 2×(0.5–1.5 mm²)
Terminal Torque 0.9 Nm
Dimensions (W × H × L) 40 mm × 125 mm × 40 mm
Protection Ratings (detail) IEC: IP65; UL/CSA Types 3R, 4X (indoor only), 12, 13
Approvals / Certifications IEC/EN 60947-5; UL 508; CSA-C22.2 No. 14; CE; UL listed / CSA certified

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