Overview
The Square D 9001K93R mushroom button head is a replacement cap for Harmony 9001K and 9001SK push-button operators. This red, screw-on plastic mushroom button features a 30mm diameter and 57mm height, designed for easy identification and ergonomic operation in industrial control applications.
Key Features
- Red color for emergency stop and critical control applications
- 30mm diameter mushroom head with 57mm overall height
- Screw-on plastic construction for quick replacement
- Harmony 9001K and 9001SK compatible
- Meets NEMA 3, 4, 4X, 12, and 13 ratings
- CSA and UL certified for North American industrial use
- RoHS compliant
Technical Specifications
Square D 9001K93R mushroom button specifications:
- Button Type: Screw-on plastic mushroom head
- Color: Red
- Diameter: 30mm
- Height: 57mm
- Compatible Series: Harmony 9001K, Harmony 9001SK
- NEMA Rating: 3/4/4X/12/13
- Certifications: UL (E42259), CSA (LR24590)
- Material: Plastic cap construction
- Condition: New in Box
Typical Applications
- Emergency stop buttons on industrial machinery
- Main disconnect and safety shut-down controls
- Factory automation and assembly line systems
- Process control panels and operator interfaces
- Hazardous area equipment requiring quick manual intervention
Compatibility & Replacements
Compatible With
- Harmony 9001K push-button operators
- Harmony 9001SK push-button operators
- Harmony 9001 30mm plastic push-button systems
- Harmony contact blocks and control accessories
Replaces / Drop-In Replacement For
- Harmony 9001K original mushroom button head (color upgrade)
- Worn or damaged red mushroom caps on 9001K/9001SK bases
Works With
- Harmony 9001 modular control system
- Schneider Electric XB4/ZB4 push-button families (same manufacturer ecosystem)
- Industrial control circuits and safety circuits
- IP66-rated enclosures for harsh environments










