The 3SB3 range is suitable to be used in any confined operating areas.
These control Emergency Stop Buttons with a nominal diameter of 22 mm is available:
•in a square design for a 26 mm ´ 26 mm cut out, plastic version
•in a round design, plastic and metal versions
The metal version of 3SB3 range has received several awards from renowned industrial design juries.
The high quality falls under degree of protection IP67 and NEMA 4, where:
•IP67 rated as "dust tight" and protected against immersion
•NEMA rating for this item is 4X, which means it is a subset of the NEMA 4 rating (protected against dust), but must provide additional protection against corrosion. Only enclosures fabricated from corrosion-resistant material, such as stainless steel and aluminium, can qualify for the NEMA 4X rating
These emergency stop control stations are yellow metal and are equipped with actuators and indicators made of metal.

The mounting type of the enclosure of this 3SB3801-2EF3 can be either vertical or horizontal.
This is a typical emergency off/stop function device with the operating voltage of AC (alternating current)/DC (direct current) electricity.
The ambient temperature during operation and storage for this unit ranging from -25°C to +80°C.

What is the different between a push button switch for an emergency stop and a general-purpose push button switch?

This product is in obsolescence mode and is due for discontinuation by the manufacturer. We recommend that you review the new pushbutton range SIRIUS ACT which is the alternative range proposed by the manufacturer. Please refer to the 3SB3 / SIRIUS ACT cross-reference guide located in the technical reference section.

Siemens