Autonics S2ER-E4RBD - 22/25 mm Emergency Switches
S2ER-E4RBD is an Autonics 22/25 mm Emergency Switch rated 110-250VAC with push-lock turn-reset red head mechanism. Manufactured by Autonics, this model belongs to Autonics Control Switches and the S2ER Series for industrial automation in India. It features 110VAC~/10A and 250VAC~/6A contact rating, 12-24VAC/DC LED supply, push-lock, turn-reset operation, IP52 protection structure, D40 short non-illuminated red head, 1NC singular contact block, maximum 20mA LED consumption, and approximately 7g housing weight.

| Brand | Autonics |
| Product Type | Control Switch |
| Model Number | S2ER-E4RBD |
Autonics 22/25 mm Emergency Switches S2ER-E4RBD Technical Specifications
| Specification | Value |
|---|---|
| Contact block_Electrical specification_Power voltage/current | 110VAC~/10A, 250VAC~/6A |
| LED block_Power supply | 12-24VAC~ 50/60Hz, 12-24VDC @(=) |
| LED block_Current consumption | Max. 20mA |
| Button type | D40(short head, illuminated) |
| Color | Red |
| Operation type | Push-lock, Turn-reset |
| Contact block | B contact: 1 |
| Contact block type | Singular type |
| Environment_Ambient temperature | -15 to 55β, storage: -25 to 65β |
| Environment_Ambient humidity | 35 to 85% RH, storage: 35 to 85% RH |
| Protection structure | IP52 |
| Weight_Housing | Approx. 7g |
| Weight_Contact block_Singular type A/B contact | Approx. 11g |
| Weight_LED block_AC/DC voltage type | Approx. 11g |
| Weight_LED block_AC voltage type | Approx. 11g |
| Weight_Mounting hole_Γ22/25 | Approx. 22.5g |
TheS2ER-E4RBD Autonics 22/25 mm Emergency Switches is designed for emergency stop control in industrial automation systems. This unit supports 110VAC~/10A and 250VAC~/6A switching capacity and operates with 12-24VAC/DC LED supply. It integrates 1NC singular contact and maintains IP52 protection. As part of the S2ER Series, S2ER-E4RBD is positioned for panel-mounted emergency shutdown applications.
In conveyor lines, packaging machines, assembly stations, and automated production systems, S2ER-E4RBD Autonics 22/25 mm Emergency Switches provides immediate stop functionality during fault conditions. The red D40 short head ensures clear visual identification on control panels. Its push-lock turn-reset mechanism ensures deliberate restart, supporting structured safety control within industrial environments across India.
Autonics S2ER-E4RBD within Autonics 22/25 mm Emergency Switches delivers specified electrical ratings and defined mechanical operation for safety control circuits. With controlled LED power requirements, IP52 housing protection, and singular contact block design, it aligns with emergency stop integration standards. Autonics maintains consistent production quality, and S2ER-E4RBD under the S2ER Series remains suitable for dependable emergency switching applications.




