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Eaton / Moeller Series
1NO + 1NC, position switch, roller plunger, snap-action, IP65, IEC/EN 60947
The Eaton Moeller AT4/11-S/I/RS is a narrow-body position switch featuring one normally open (1NO) and one normally closed (1NC) contact. It is equipped with a roller plunger actuator and operates with a snap-action (quick-break) contact mechanism for fast and reliable switching. The unit includes a positive opening function per IEC/EN 60947-5-1, ensuring safety and reliable circuit disconnection. Designed to EN 50041 Form C, the operating head can be rotated in 90° intervals, providing installation flexibility. The switch’s IP65-rated plastic housing offers excellent resistance to dust, moisture, and industrial contaminants. It is fully certified to UL, CSA, and CE standards, making it suitable for global automation, machinery, and safety systems.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton Moeller |
|---|---|
| Model | AT4/11-S/I/RS |
| Catalog Number | 085927 |
| Product Type | Position Switch |
| Actuator Type | Roller Plunger |
| Contact Configuration | 1NO + 1NC |
| Contact Type | Snap-action (Quick-break) |
| Positive Opening Operation | Yes, per IEC/EN 60947-5-1 |
| Housing Material | Insulated Plastic |
| Housing Color | Grey Cover |
| Mounting Position | As required (rotatable 90° intervals) |
| Design Standard | EN 50041 Form C |
| Basic Function | Position and Safety Position Switch |
| Degree of Protection | IP65 |
|---|---|
| Rated Insulation Voltage (Ui) | 500 V |
| Impulse Withstand Voltage (Uimp) | 6000 V |
| Overvoltage Category / Pollution Degree | III / 3 |
| Rated Operational Current (AC-15, 24 V) | 10 A |
| Rated Operational Current (AC-15, 230 V) | 6 A |
| Rated Operational Current (AC-15, 400 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 |
| Thermal Current (Ith) | 10 A |
| Short-Circuit Protection | 6 A gG/gL Fuse |
| Rated Conditional Short-Circuit Current | 1 kA |
| Mechanical Life | 8 × 10⁶ operations |
| Repetition Accuracy | 0.02 mm |
| Operating Frequency | ≤ 6000 operations/hour |
| Actuating Force (Start/End of Stroke) | 8.0 N / 20.0 N |
| Actuating Torque of Rotary Drives | 0.3 Nm |
| Max Operating Speed (DIN Cam) | 0.5 m/s (α = 0° / 30°) |
| Ambient Temperature Range | −25 °C to +70 °C |
| Contact Temperature (Max) | ≤ 100 °C |
| Terminal Capacity (Solid) | 1 × (0.75–2.5 mm²), 2 × (0.75–1.5 mm²) |
| Terminal Capacity (Flexible with Ferrule) | 1 × (0.5–1.5 mm²), 2 × (0.5–1.5 mm²) |
| Mechanical Shock Resistance | 2 g (snap-action) |
| Climatic Proofing | IEC 60068-2-78 / IEC 60068-2-30 (damp heat) |
| Design Verification | IEC/EN 61439 (thermal, corrosion, UV, and fire resistance) |
| Compliance Standards | IEC/EN 60947 | EN 50041 | UL 508 | CSA-C22.2 No.14 |
| Certifications | CE | UL Listed | CSA Certified |
| UL File No. | E29184 |
| CSA File No. | 12528 |
| UL/CSA Degree of Protection | UL: 1, 4X | CSA: 1, 3R, 4, 4X, 12, 13 |
Doing business with KM Parts has been a game-changer for our company. Their vast inventory and prompt same-day shipping have significantly minimized our downtime. The team's expertise and willingness to go the extra mile have made them an invaluable partner in our industrial automation needs.
We only sell authorized Eaton/Moeller parts. No knock-offs, no used parts, all warrantied. As the largest authorized stocking USA distributor representing Eaton/Moeller, we’re here to help your company run smoothly, with the best parts available, at competitive pricing, and with minimal downtime.
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