
Neptune NEDLANCBMR - Duress Latching Mushroom Button (ANSI)
The Neptune NEDLANCBMR is a latching Duress mushroom push button mounted on an ANSI size stainless steel faceplate. Designed for emergency and access control installations, it features a 37 mm red mushroom actuator and reset by clockwise rotation.
Key Features
- Latching red mushroom duress button.
- 37 mm diameter mushroom head.
- Reset by clockwise turn.
- NO NC COM output contacts.
- ANSI size 304 stainless steel faceplate.
- Mechanical life tested to 100,000 operations.
Specifications
- Item Code: NEDLANCBMR
- Brand: Neptune
- Operation: Latching (twist to reset)
- Contact Configuration: Normally Open / Normally Closed / Common
- Contact Rating: 5 Amp at 125 Volt to 250 Volt Alternating Current
- Mushroom Diameter: 37 mm
- Plate Material: 0.9 mm 304 Stainless Steel
- Fixing Centres: 83 mm
- Installation Cutout: 37 mm
- Operating Temperature: -20°C to 55°C
- Operating Humidity: 0 to 95 percent relative humidity
- Mechanical Life: 100,000 operations
- Weight: 0.2 kg
- Finish: Stainless Steel / Red
What's In The Box
- 1 x Neptune NEDLANCBMR Duress mushroom button assembly
Suitable Uses
- Emergency duress activation in commercial sites.
- Access control alarm trigger points.
- High visibility emergency stop style applications.
- Security installations requiring latching reset function.
Dimensions

Download PDF Resources
| Neptune NEDLANCBMR Datasheet |
Frequently Asked Questions
- Is this a momentary button?
No. This is a latching button and must be reset by turning clockwise. - Can this be used for emergency exit release?
It can be used where latching duress activation is required. Confirm compliance requirements for emergency egress applications. - Does it support both Normally Open and Normally Closed wiring?
Yes. The unit provides NO, NC and Common contacts.
Additional Information
- ANSI plate size makes it compatible with standard mounting boxes.
- Latching operation ensures clear visual indication when activated.
- 304 stainless steel faceplate offers corrosion resistance in commercial environments.