Overview
The Siemens 3SU1801-0AA00-0AA2 is a rugged, compact enclosure for emergency stop command devices from the SIRIUS ACT product line. This 22 mm round plastic enclosure houses a single control point with yellow top finish and twist-release pushbutton actuation. Designed for industrial control stations, machine safety circuits, and process shutdown applications, it delivers reliable performance across demanding manufacturing environments.
Key Features
- Snap-on Design: One-handed installation with no special tools required; groove-free mounting holes with integrated anti-rotation protection
- Twist-Release Mechanism: Intuitive manual reset for controlled emergency shutdowns
- Exceptional Environmental Rating: IP66, IP67, and IP69K protection—suitable for wet, washdown, and corrosive industrial settings
- Yellow Indicator Top: High-visibility emergency stop designation per ANSI/ISO standards
- NEMA Compliance: Rated for NEMA 1, 2, 3, 3R, 4, 4X, 12, and 13 enclosures
- Single Contact Module: Configured for straightforward wiring integration into safety circuits
Technical Specifications
- Part Number: 3SU1801-0AA00-0AA2
- Series: SIRIUS ACT (3SU1)
- Enclosure Diameter: 22 mm (round)
- Housing Material: Plastic
- Control Points: 1
- Top Part Color: Yellow
- Actuator Type: Twist-release pushbutton
- IP Rating: IP66, IP67, IP69K
- NEMA Rating: 1, 2, 3, 3R, 4, 4X, 12, 13
- Mounting: Snap-on (vertical/horizontal)
- Dimensions: 85 mm W × 64 mm D (enclosure face)
- Contact Modules: 1
Typical Applications
- Emergency stop stations for CNC machines, injection molding presses, and assembly lines
- Machine guarding control panels and safety interlocks
- Process shutdown circuits in chemical, automotive, and food-processing industries
- Modular control panel design with integrated command devices
- Washdown and outdoor industrial environments requiring IP67/IP69K protection
Compatibility & Replacements
The Siemens 3SU1801-0AA00-0AA2 is a standard SIRIUS ACT enclosure module compatible with Siemens 3SU1 pushbutton control systems. It integrates with standard 22 mm modular command devices and fits most industrial control panel cut-outs. Direct replacements or functional equivalents include related SIRIUS ACT enclosure variants (3SU1801 series) with different contact configurations or protective collars. Verify contact modules, mounting requirements, and enclosure color codes when cross-referencing. For integration with existing control cabinets, consult Siemens CAX configuration tools or distributor compatibility guides.
