
S2ER-E3RB Autonics Push Button
Autonics S2ER-E3RB Push Button Switch (Ø22 mm, Red, Momentary)
The Autonics S2ER-E3RB is a Ø22 mm industrial push button switch with a red actuator and momentary operation.
Designed for reliable control functions in automation panels, machines, and electrical control systems.
The Autonics S2ER-E3RB is a high-quality Ø22 mm panel-mount push button switch designed for industrial control and automation applications. Featuring a red actuator with momentary operation, it is commonly used for start, stop, and reset functions in control panels and machinery.
Built for durability and consistent performance, this push button is suitable for OEM panels, electrical cabinets, and industrial machines where reliable manual control is required.
Key Features
Ø22 mm standard panel mounting size
Red push button actuator for clear visibility
Momentary operation (spring return)
Robust construction for industrial use
Suitable for control panels and machinery
Easy installation and wiring
Long mechanical life
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Push Button Switch |
| Model | S2ER-E3RB |
| Mounting Diameter | Ø22 mm |
| Actuator Color | Red |
| Operation Type | Momentary |
| Contact Configuration | 1NO / 1NC (typical for series) |
| Rated Voltage | Up to 250 VAC |
| Rated Current | Up to 5 A |
| Mounting Type | Panel Mount |
| Protection | IP65 (front side, typical) |
| Operating Temperature | -25 to +55 °C |
Applications
Industrial automation panels
Electrical control panels
Start/Stop/Reset functions
OEM machinery
Packaging and processing machines
Control desks and operator stations
What’s in the Box?
Autonics S2ER-E3RB Push Button Switch
Mounting collar & nut
Product leaflet
FAQ
Q1. Is this push button suitable for control panels?
Yes. It is designed specifically for Ø22 mm industrial control panels.
Q2. What type of operation does this push button have?
It is a momentary (spring return) type push button.
Q3. What does “RB” indicate in the model number?
RB indicates Red Button.
Q4. Can this be used as a stop or reset button?
Yes. It is commonly used for stop, reset, or control functions depending on wiring.
Q5. Is it suitable for continuous industrial use?
Yes. It is designed for long mechanical life in industrial environments.



