Product SKU: S2664
Product Overview
The DAS S2664 Green Mushroom Exit Button is a mechanical request-to-exit button designed for compatible access control, door release and egress applications. It features a large green mushroom button mounted on a standard stainless steel plate, making it easy to identify and operate at controlled exit points. The S2664 provides isolated normally open and normally closed contacts, giving installers flexible wiring options for compatible access control controllers, door release circuits and request-to-exit inputs. With a standard gang plate format, 40mm mushroom head, 70 x 115 x 53mm dimensions and clear “PRESS TO EXIT” style application, it is a practical option for commercial sites requiring a visible mechanical exit button.
Key Capabilities
Green Mushroom Button
The S2664 uses a large green mushroom button for clear, easy-to-identify exit activation.
Mechanical Momentary Operation
The mechanical momentary design suits compatible request-to-exit inputs that require a brief activation signal.
Isolated NO and NC Contacts
The button provides isolated normally open and normally closed contacts for flexible access control wiring.
Stainless Steel Plate
The standard stainless steel mounting plate provides a clean, durable finish for commercial exit points.
Standard Gang Plate Format
The GPO-size plate format supports familiar installation planning for compatible access control locations.
Customisable Wording Option
The exit button can be supplied with “PRESS TO EXIT” wording or customised wording upon request, where available.
Best For
- Request-to-Exit Applications: Suitable for compatible access control systems requiring a mechanical exit button.
- Commercial Door Release: Practical for offices, warehouses, retail stores, service areas and controlled internal exits.
- Momentary Exit Inputs: Useful where the controller requires a brief exit activation signal rather than a latching output.
- Clear Exit Identification: The green mushroom button provides an easy-to-recognise exit control for users.
- NO/NC Circuit Wiring: Suitable where isolated normally open and normally closed contacts are required.
Why Choose the S2664
Choose the DAS S2664 when the installation needs a simple, visible green mushroom exit button on a stainless steel plate. Its mechanical momentary operation is suited to compatible request-to-exit inputs, while the isolated NO and NC contacts allow flexible wiring into access control and door release systems. The large 40mm mushroom head is easy to press, and the standard plate size provides a familiar format for commercial fit-offs. This model, supplied by Security Wholesalers, is a practical choice for sites requiring a straightforward green mechanical exit button for compatible access control applications.
Buyer Decision Tips
Buyer Tip: Confirm the access control system requires a momentary mechanical exit input. If the site requires latching twist-to-reset operation, choose a latching mushroom button instead.
Buyer Tip: Confirm whether the connected controller requires normally open or normally closed contact operation before wiring the isolated contacts.
Key Features & Technical Specifications
| Product Type | Mechanical green mushroom request-to-exit button. |
| Model | S2664. |
| Brand | DAS. |
| Button Type | Green mushroom button. |
| Operation | Mechanical momentary push-to-exit operation. |
| Contacts | Isolated normally open and normally closed contacts. |
| Maximum Current | 10A at 12 or 24VDC. |
| Minimum Current | 5mA. |
| Resistance | ≤50mΩ. |
| Insulation Resistance | >100MΩ. |
| Mushroom Head Diameter | 40mm. |
| Plate | GPO-size stainless steel plate. |
| Wording | “PRESS TO EXIT” or customisable upon request. |
| Dimensions | 70 x 115 x 53mm. |
| Typical Use | Request-to-exit, door release and compatible access control exit applications requiring momentary mechanical activation. |
Ideal Use Cases
Mechanical Exit Points
Use where users need a clear mechanical button to request exit from a controlled door.
Commercial Door Release
Suitable for offices, warehouses, retail sites, schools and controlled internal access points.
Momentary REX Inputs
Can be wired to compatible request-to-exit inputs that require momentary NO or NC contact activation.
Visible Green Exit Controls
The green mushroom head helps users quickly identify the exit button location.
Standard Plate Installations
The stainless steel GPO-size plate suits common commercial access control fit-offs.
Custom Wording Requirements
Suitable where “PRESS TO EXIT” or customisable wording is required for the site layout.
Choosing the Right Model
- Choose this model if: You need a green mechanical mushroom request-to-exit button with isolated NO and NC contacts.
- Choose a twist-to-reset model if: The site requires latching operation rather than a momentary push button.
- Choose a touchless exit button if: The installation requires hand-wave or approach activation instead of physical button operation.
- Check contact wiring first: Confirm whether the access controller requires NO or NC contact operation before connecting the button.
- Check before installation: Confirm mounting space, plate size, button depth, wiring route, controller input type and any required wording.
FAQs
- What is the DAS S2664 used for?
The DAS S2664 is used as a green mushroom request-to-exit button for compatible access control and door release systems. It provides a clear mechanical push button for users to request exit through a controlled door. - Is the S2664 a momentary button?
Yes. The S2664 is a mechanical momentary push-to-exit button. If the access control system requires latching twist-to-reset operation, a different latching mushroom button should be selected. - What contacts does the S2664 provide?
The S2664 provides isolated normally open and normally closed contacts. This allows the installer to wire the button to compatible access control request-to-exit inputs using the contact type required by the controller. - What size is the mushroom button?
The S2664 has a 40mm green mushroom head. The larger button surface makes it easy to locate and press in commercial access control and door release applications. - What plate is supplied?
The S2664 is mounted on a GPO-size stainless steel plate. This provides a durable, clean finish for standard commercial wall installations and access control fit-offs. - What are the electrical ratings?
The S2664 is listed with a maximum current of 10A at 12 or 24VDC, minimum current of 5mA, resistance of ≤50mΩ and insulation resistance greater than 100MΩ. The connected circuit should remain within the specified ratings. - What are the dimensions?
The DAS S2664 measures 70 x 115 x 53mm. Installers should confirm wall space, mounting depth, cable routing and button clearance before installing it at a request-to-exit point. - What should I check before buying the S2664?
Before buying the S2664, confirm that your access control system requires a momentary green mushroom exit button, that the NO/NC contacts match the controller input, and that the stainless steel plate suits the installation. This model is available through Security Wholesalers for compatible access control exit applications.

















