Siemens SIRIUS ACT 3SU18 Series Twist Release Emergency Stop Push Button Surface Mount 22 mm Cutout 1 NO/2 NC IP69

The Siemens SIRIUS ACT 3SU18 Series Twist Release Emergency Stop Push Button model 3SU1801-0NE00-4AB2 is a premium safety component designed for industrial and commercial control panels, providing immediate workflow interruption and machinery protection during hazardous events. Featuring a twist release mushroom head for ergonomic operation, this unit ensures that equipment remains halted until the safety condition is restored, reducing risk and improving operational safety.

This push button is engineered for surface mounting with a 22 mm cutout, allowing swift installation in existing panels. The device incorporates a 1 NO/2 NC contact configuration and utilizes spring terminals, accelerating wiring and providing dependable electrical connectivity.

Robust metal and high-grade plastic construction offers excellent impact resistance and longevity, complemented by the IP69, IP67, and IP66 ingress protection ratings, guaranteeing total safeguards against dust and water - making it suitable for harsh environments as found in manufacturing, medical, and packaging sectors.

The Siemens SIRIUS ACT 3SU18 push button is designed for high-voltage applications up to 500V AC/DC with a contact current rating of 10A, enabling versatile integration with a wide variety of electrical circuits. The unit is distinguished by its bright red mushroom head and yellow housing for conspicuous emergency activation.

Conformance to international safety standards, including IEC 81346-2, IEC 60068-2-6, IEC 60068-2-27, and ISO 13850, ensures reliability and compliance in safety-critical applications. Additional attributes such as a 40 mm head diameter and a total of three auxiliary contacts further broaden its utility in complex control setups.

Twist release mushroom head design for secure safety operation. Surface mount with compact dimensions: 105.4 mm (L), 85 mm (W), 109 mm (D). 1 NO/2 NC contact configuration, spring terminal connectivity, and 10A contact current.

Rated for high-voltage use up to 500V AC/DC. Impact-resistant metal and plastic construction; IP69, IP67, and IP66 ingress protection. Bright red actuator and yellow housing for instant emergency identification. Meets IEC and ISO safety standards for industrial use.

Extended product life, low carbon manufacture claim supports sustainability goals.

This product is commonly deployed in commercial, industrial, and medical device safety circuits, especially automated machinery, packaging, and laboratory environments. It is essential for operators requiring reliable emergency shutdown functionality with easy reactivation only through deliberate twist-release action.

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