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Eaton / Moeller Series
1 early NO + 1 late NC, position switch, roller plunger, slow-action, IP65, IEC/EN 60947
The Eaton Moeller AT4/11-2/IA/RS is a wide-body position switch featuring one early-make normally open (NO) and one late-break normally closed (NC) contact. It includes a roller plunger actuator and operates with a slow-action contact mechanism with positive opening, compliant with IEC/EN 60947-5-1. The actuator head can be rotated at 90° intervals, allowing flexible installation for different approach directions. With an IP65 protection rating, the switch provides excellent resistance to dust and moisture. Built for industrial automation, control, and safety applications, the device conforms to EN 50041 Form C and global approval standards such as UL, CSA, and CE.
Country of Origin: DE
We source directly from Eaton - 100% genuine, new-in-box certified parts.
| Brand | Eaton Moeller |
|---|---|
| Model | AT4/11-2/IA/RS |
| Catalog Number | 021856 |
| Product Type | Position Switch |
| Actuator Type | Roller Plunger |
| Contact Configuration | 1 Early NO + 1 Late NC |
| Contact Type | Slow-action (Positive Opening) |
| Positive Opening Operation | Yes, per IEC/EN 60947-5-1 |
| Housing Material | Insulated Plastic |
| Design Standard | EN 50041 Form C |
| Mounting Position | As required (head rotatable 90° intervals) |
| 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 (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 | 5 g (standard-action) |
| Climatic Proofing | IEC 60068-2-78 / IEC 60068-2-30 (damp heat) |
| Design Verification | IEC/EN 61439 (thermal, corrosion, UV, and fire resistance) |
| Housing Type | Cuboid, plastic |
| Actuator Alignment | Linear / Vertical |
| Compliance Standards | IEC/EN 60947 | EN 50041 | UL 508 | CSA-C22.2 No.14 | CE |
| 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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