Autonics S2TR-P3WABL Illuminated Push Button Switch (Ø22 mm, White, Maintained, 1NO+1NC)
The Autonics S2TR-P3WABL is a Ø22 mm illuminated white push button with maintained (alternate) operation and 1NO+1NC contacts.
Suitable for ON/OFF control and status indication in industrial automation and electrical control panels.
The Autonics S2TR-P3WABL is a Ø22 mm panel-mount illuminated maintained push button switch designed for industrial control and automation applications. It features a white actuator with integrated LED illumination and a 1NO+1NC contact configuration, allowing stable ON/OFF control with visual status indication.
Maintained (alternate) operation makes this push button ideal for machine enable/disable, power ON/OFF, and mode selection functions in OEM machinery and automation panels.
Ø22 mm standard panel mounting
White illuminated actuator for neutral status indication
Maintained (alternate/latching) operation
1NO + 1NC contact configuration
Modular Autonics S2 series construction
Clear visual indication with LED illumination
Designed for continuous industrial operation
| Parameter | Specification |
|---|---|
| Product Type | Illuminated Push Button Switch |
| Model | S2TR-P3WABL |
| Mounting Diameter | Ø22 mm |
| Actuator Color | White |
| Illumination Color | White LED |
| Operation Type | Maintained (Alternate / Latching) |
| Contact Configuration | 1NO + 1NC |
| Rated Voltage (Contacts) | Up to 250 VAC |
| Rated Current (Contacts) | Up to 5 A |
| LED Supply Voltage | 12–24 V AC/DC or 110–220 VAC (by LED block) |
| Protection Rating | IP65 (front side) |
| Operating Temperature | -25 to +55 °C |
Industrial automation panels
Machine ON/OFF control
Power enable/disable circuits
Mode selection switches
OEM machinery
Electrical control cabinets
Autonics S2TR-P3WABL Push Button Head
Contact block (1NO + 1NC)
LED block (white, as per model)
Mounting nut/collar
Product leaflet
Q1. What does “S2TR” mean in the model number?
TR indicates maintained (alternate / latching) operation, unlike PR, which is momentary.
Q2. What does “P3WABL” indicate?
P3 = 1NO + 1NC contacts,
WA = White actuator,
BL = LED illuminated type.
Q3. Is this push button momentary or maintained?
This is a maintained (ON/OFF latching) push button.
Q4. Can LED voltage be selected?
Yes. LED blocks are available in 12–24 V AC/DC or 110–220 VAC options.
Q5. Is it suitable for industrial control panels?
Yes. It is designed for long-term industrial use in control panels and OEM machines.
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