Siemens SIRIUS ACT 3SU18 Series Twist Release Emergency Stop Push Button Surface Mount 22 mm Cutout 1 NC 3SU1851-0NA00-2AC2

Siemens 3SU1851-0NA00-2AC2 is a high-performance SIRIUS ACT 3SU18 Series Twist Release Emergency Stop Push Button designed for surface mounting applications requiring a 22 mm cutout. This emergency stop switch features a singular normally closed (1 NC) contact configuration, providing a fail-safe mechanism that quickly stops machinery operation to enhance workplace safety.

The push button is housed in robust metal combined with durable plastic for the mushroom-shaped actuator, offering excellent tactile feedback and resistance to accidental pressing. Its twist release functionality requires a deliberate action to reset after activation, reducing risks of unintentional re-engagement.

Compact dimensions of 85 mm in width, 85 mm in length, and a depth of 112.5 mm make it suitable for busy control panels, while its ingress protection ratings IP66, IP67, and IP69 allow reliable use in harsh environmental conditions, including dusty, wet, or washdown industrial settings.

This Emergency Stop Push Button supports electrical ratings of 500 V AC and DC voltage with a 10 A contact current, using screw type terminals for secure and reliable wiring connections. The unit complies with international standards such as ISO 13850 for safety and IEC 60068 for environmental testing, endorsing its ruggedness and operational reliability.

Ideal for a range of industrial, commercial, food and beverage, pharmaceutical, and factory automation applications, this push button improves machine safety and meets stringent safety requirements.

Provides safe emergency stop function with twist release actuation. Constructed with metal housing and plastic mushroom-style button for durability. Compact size with 85mm width, 85mm length, and 112.5mm depth for easy panel installation.

Rated for 500V AC/DC voltage and 10A contact current capability. Screw terminal connections ensure secure electrical contact. High ingress protection with IP66, IP67, and IP69 ratings for harsh environments. Certified to international standards including ISO 13850 and IEC 60068 series.

Suitable for industrial and commercial applications including food, pharmaceutical, and factory automation. Made in Germany ensuring quality and extended product life with low carbon manufacturing.

Explore the range of Siemens safety control devices and related components in the EnvMart electronics and electrical catalog to ensure compliance and safety for your operational environments.