Overview
The Square D 9001KR1G is a Harmony-series 30mm green push button operator designed for industrial control and signaling applications. This momentary-action push button features a spring return mechanism and is engineered for use in demanding environments where durability and reliability are critical. The flush modular design with full guard provides ergonomic control access while protecting against accidental activation.
Key Features
- IP66 Rating: Impact, dust, water, and vibration resistant—ideal for harsh outdoor and washdown environments
- Spring Return Mechanism: Momentary action returns to rest position when released
- Chromium-Plated Metal Bezel: Corrosion-resistant construction ensures longevity in corrosive atmospheres
- Full Guard Design: Integrated full guard prevents unintended activation and finger contact
- Flush Profile: Low-profile installation into standard 30mm panel cutouts
- Modular Construction: Allows simple replacement of button head without rewiring control circuits
Technical Specifications
- Manufacturer: Schneider Electric / Square D
- Part Number: 9001KR1G
- Series: Harmony 9001K
- Button Type: Momentary push button
- Action: Spring return
- Color: Green lens
- Bezel Material: Chromium-plated metal
- Panel Cutout Diameter: 30mm
- Profile: Flush
- Guard: Full guard
- Contact Configuration: Without contacts (modular head only)
- IP Rating: IP66
- Certifications: UL/CSA listed
Typical Applications
The 9001KR1G is suited for use in a wide range of industrial automation and control applications, including:
- Manufacturing equipment start/stop controls
- Outdoor and washdown environments requiring high ingress protection
- Assembly line and material handling systems
- Food and beverage processing equipment
- Wastewater treatment and water distribution facilities
- Machinery guarding and emergency stop circuits
Compatibility & Replacements
The 9001KR1G is a modular push button head compatible with standard Harmony 9001K control station assemblies. As a non-contact head, it integrates with existing contact blocks and mounting bases. The green color conforms to ANSI/NEMA standards for start/on functions, making it a drop-in replacement for other green 30mm momentary push buttons in similar industrial control applications. Verify contact block compatibility with your specific control circuit configuration before installation.












