Siemens SIRIUS ACT Surface Mount Twist Release Emergency Stop Push Button 2 NC IP66/IP67/IP69K 3SU1851-0NB00-2AC2

Siemens 3SU1851-0NB00-2AC2 is a robust surface mount Emergency Stop Push Button designed to enhance safety in industrial settings by allowing quick shutdown of machinery during emergencies. The device features a twist release mechanism that keeps the button latched and machinery off until manually reset by turning the button.

The emergency stop button is constructed with a metal housing and plastic push button, offering excellent durability and resilience against mechanical and environmental stresses. With compact dimensions measuring approximately 85mm in length, 89.4mm in width, and 112.5mm in depth, it is suitable for installations where space is limited.

This model includes 2 normally closed (NC) safety contacts made from silver alloy, reliably interrupting current flow to stop equipment operation. It supports a broad voltage range from 5V up to 500V AC/DC, catering to various industrial applications. The button is not illuminated and is tailored for applications requiring twist release actuation.

The Siemens 3SU1851-0NB00-2AC2 Emergency Stop Push Button carries an IP66, IP67, and IP69K rating, ensuring protection against dust ingress, water jets, high-pressure cleaning, and even high-temperature washdowns, making it highly suitable for demanding industrial environments including manufacturing plants, processing lines, and conveyors.

The yellow housing and bright red emergency button provide high visibility, enabling quick recognition and access in emergency scenarios. The product operates reliably in temperature ranges from -25°C to +70°C, ensuring functionality even in extreme climatic conditions.

This device is part of the Siemens SIRIUS ACT 3SU18 series, recognized for its extended product life and low carbon manufacturing processes, supporting sustainable industrial operations. Installation is simplified by screw terminals, offering secure wiring in heavy-duty applications.

Industrial sectors benefitting from this emergency stop push button include manufacturing, assembly lines, conveyor systems, and automation installations where personnel and equipment safety are paramount.

Designed for safety with 2 normally closed (NC) contacts to immediately stop machinery. Surface mount type with compact dimensions of approximately 85mm length, 89.4mm width, and 112.5mm depth. Push button actuated by twist release for reliable latching until manually reset.

Plastic push button material combined with metal housing offers durability in industrial environments. Rated IP66, IP67, and IP69K for dust tightness and protection against water jets and high pressure washdowns. Suitable for operating voltages ranging from 5 to 500V AC/DC with silver alloy contact reliability.

Bright yellow color with red emergency stop button ensures quick identification in emergencies. Wide operating temperature range from -25°C to +70°C enables use in harsh industrial conditions. Complies with Siemens SIRIUS ACT 3SU18 series standards ensuring extended product life and low carbon manufacture.

Explore more Siemens automation components and Emergency Stop Push Buttons at EnvMart for reliable industrial safety solutions.