Overview
The Dayton 30G250 emergency stop pushbutton is a rugged 22mm red mushroom head switch designed to provide reliable emergency stop functionality in industrial automation and control applications. Non-illuminated with a maintained action mechanism, this pushbutton delivers the safety performance required across manufacturing, packaging, material handling, and process control environments.
Key Features
- 22mm panel cutout diameter for standard industrial mounting
- 40mm mushroom head design for positive, tactile activation
- Red head with nitrile rubber construction for durability
- 1NO/1NC dual-contact configuration (one normally open, one normally closed)
- Maintained action—requires manual reset after activation
- Non-illuminated operation without indicator lights
- NEMA 1, 2, 3, 4, 4X, 12, and 13 rated for diverse environments
Technical Specifications
- Panel Cutout Diameter: 22 mm
- Mushroom Head Diameter: 40 mm
- Button Style: Mushroom Head
- Button Color: Red
- Head Material: Nitrile Rubber
- Action Type: Maintained (Push/Pull Release)
- Contact Configuration: 1NO/1NC
- Illumination: Non-Illuminated
- NEMA Rating: 1, 2, 3, 4, 4X, 12, 13
- Country of Origin: India
Typical Applications
- Emergency machinery shutdowns in production lines
- Safety-critical control panels in manufacturing facilities
- Material handling and conveyor system stop controls
- Industrial process control enclosures
- OEM integration into custom control cabinets
- Retrofit upgrades on existing automation systems
Compatibility & Replacements
Compatible With
- NEMA-rated industrial control panels and enclosures
- Standard 22mm pushbutton mounting frames and cutouts
- Programmable logic controllers (PLCs) via relay or direct contact input
- Motor starters, contactors, and safety relays
- DC and AC control circuits
Replaces / Drop-In Replacement For
- Dayton 30G251 (1NO/1NC configuration with different action)
- Dayton 30G253 (1NC-only configuration)
- Dayton 30G254 (alternative contact configuration)
- Generic 22mm red emergency stop mushroom head pushbuttons with 1NO/1NC contacts
Works With
- Standard 22mm pushbutton accessories and bezels
- Industrial PLC input modules (Allen-Bradley, Siemens, Mitsubishi, Omron)
- Safety relay modules and emergency stop circuits
- Motor control circuits and power distribution equipment
- Legacy and modern industrial control systems




















