Limit Switch ME-8122, 5A, Voltage 250V AC, Rotary Piston
Available in stock
| Quantity | Price per unit | You save |
|---|---|---|
| 1–2 pcs | 20,99 lei | — |
| 3–4 pcs | 19,94 lei | 5% (−1,05 lei/unit) |
| 5–10 pcs | 18,89 lei | 10% (−2,10 lei/unit) |
| 11+ pcs | 17,84 lei | 15% (−3,15 lei/unit) |
Industrial limit switch with rotary piston for automation
The ME-8122 limit switch ensures precise control of industrial equipment by detecting mechanical position. Ideal for automatic gates, garage doors, machine tools, and production lines, this rotary piston limit switch with automatic reset operates reliably at 250V AC / 5A, providing protection and control in professional applications.
What you get with this product
- Automatic equipment control — stops or starts devices when the desired position is reached, without manual intervention
- Resistance to intensive industrial use — robust plastic and rubber housing withstands repeated vibrations and mechanical shocks
- Quick mounting on any type of equipment — standard 4.5mm fixing holes at a distance of 56x21mm, compatible with universal supports
- Guaranteed electrical safety — 5A capacity at 250V AC or 0.4A at 115V DC, prevents overloads and short circuits
- Versatility for multiple applications — works with gates, automatic doors, lathes, milling machines, grinders, assembly lines
- Rotary piston with automatic reset — immediate return to initial position after pressure release, without manual adjustments
How it works and how to install it
The limit switch is mounted on the fixed part of the equipment using the two mounting holes. When the movable part (door, carriage, mechanical arm) touches the 12mm diameter roller, the rotary piston activates the electrical contact and sends the stop or start signal to the control system. When the pressure is released, the piston automatically returns to its initial position via an internal spring mechanism.
Installation requires connecting the two wires to the control circuit (observing the maximum capacity of 5A at 250V AC) and mechanical fastening with screws in the 4.5mm holes. No calibration required — it works immediately after mounting.
Frequently asked questions
Can it be used for residential gates or only for industrial equipment?
It works perfectly for both residential automatic gates and industrial equipment — the important thing is not to exceed the capacity of 5A at 250V AC.
Is it resistant to outdoor use or does it need to be protected from water and dust?
The standard housing is not sealed — for outdoor use, it needs to be mounted in a protective box with an adequate IP rating or under mechanical protection that shields it from direct moisture.
What happens if I exceed the 5A current?
Exceeding the rated current damages the internal contacts and can cause the switch to malfunction — always use within electrical specifications.
Technical specifications
| Model | ME-8122 |
| Mechanism type | Rotary piston with automatic reset |
| AC electrical capacity | 250V, 5A |
| DC electrical capacity | 115V, 0.4A |
| Roller diameter | 12 mm |
| Mounting hole diameter | 4.5 mm |
| Distance between holes | 56 x 21 mm |
| Overall dimensions | 110 x 28 x 25 mm (L x W x H) |
| Housing material | Plastic and rubber |
| Color | Blue and black |
| Weight | Approx. 100g |
Warranty and support
You benefit from a 24-month warranty according to Romanian law for manufacturing defects, a 30-day return policy, and fast delivery via national courier. The product includes installation instructions and all necessary mounting components.
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