Overview
The Eaton 10250T26G is a non-illuminated green mushroom head pushbutton operator designed for heavy-duty industrial control and automation applications. Featuring a 40 mm mushroom head with a single normally open (N.O.) contact block, this component delivers dependable momentary action switching in harsh environmental conditions.
Key Features
- 40 mm Mushroom Head Design: Large, ergonomic operator head provides easy access and positive engagement in crowded control panels.
- Momentary Action: One-shot activation ideal for emergency stops, start buttons, and mode selectors.
- Chrome-Plated Zinc Bezel: Corrosion-resistant housing suitable for washdown and outdoor installations.
- IP65 Rating: Sealed against dust and water spray—no ingress of moisture from any angle.
- Enclosed Silver Contacts: High-reliability contacts protected from contamination; rated for 10A @ 600V AC.
- Multiple NEMA Ratings: Complies with NEMA 3, 3R, 4, 4X, 12, and 13 standards.
Technical Specifications
Electrical & Contact Specifications:
Contact Form: 1 NO (Normally Open)
Contact Rating: 10A @ 600V AC
Terminal Connection: Screw Clamp
Contact Material: Enclosed Silver (Reliability Nibs, Grounding Nibs)
Physical & Environmental:
Operator Size: 30 mm mounting, 40 mm head diameter
Actuator Type: Mushroom (Green)
Head Material: Metal
Bezel Material: Chrome Plated Zinc Die Cast
IP Rating: IP65 (dust and moisture sealed)
Features: Diaphragm Seals, Drainage Holes
Standards & Certification:
NEMA Rating: 3, 3R, 4, 4X, 12, 13
Agency Approvals: UL Listed, CSA Certified, CE Marked
Action: Momentary
Typical Applications
- Emergency stop buttons in manufacturing equipment and assembly lines
- Start/stop control for stationary machinery
- Mode selection switches for heavy industrial equipment
- Outdoor and wash-down environment control stations
- NEMA 4/4X electrical enclosure mounted controls
Compatibility & Replacements
Compatible With
- Standard 30.5 mm (30 mm) control panel cutout openings
- Eaton M22 series contact block systems
- IEC 60947-1 compliant industrial control circuits
- Heavy-duty control panels rated NEMA 3, 4, or 4X
- Screw-clamp terminal wiring configurations
Replaces / Drop-In Replacement For
The Eaton 10250T26G can replace other Eaton 10250T series green mushroom operators with equivalent 30 mm mounting and 1 NO contact configuration. Verify exact contact block compatibility before replacement. Contact your system integrator to confirm interchangeability with legacy models.
Works With
- M22 contact block technology and M22-K series accessories
- Control relays and solid-state switching modules
- Industrial HMI and PLC input modules via wired control circuits
- EtherNet/IP and PROFINET gateways for remote monitoring integration














