Siemens 3SB3 Series Push Button, Surface Mount, 22mm Cutout, IP66

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RS Stock No.:
745-0339
Mfr. Part No.:
3SB3266-1HR20
Brand:
Siemens
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Brand

Siemens

Illuminated

No

Series

3SB3

Panel Cut Out Diameter

22mm

Mounting Type

Surface Mount

IP Rating

IP66

Manufacturer Part No.

3SB3266-1HR20

COO (Country of Origin):
AU

Emergency Stop Pushbuttons


This unique portfolio of Siemens 3SB3 series is a modular range of commanding and signalling devices for front plate mounting and rear conductor connection.
The 3SB3 series are round and have a mounting diameter of 22 mm and their actuator is supplied with a holder.
Complete units are offered, but only for the most commonly used applications.
This amazing range has the following standards:
•IEC 60947-1, EN 60947-1, IEC 60947-5-1, EN 60947-5-1, IEC 60947-5-5, EN 60947-5-5 for EMERGENCY-STOP mushroom pushbuttons

Connection methods


These units are available with screw terminals (box terminals), spring-type terminals or solder pins.

The 3SB3 series is made of:


•molded plastic in flat, wound and square design

•metal in round design

They can be mounted by a single person and are climate-proof (KTW 24) to suit industrial applications.
Their main purpose of existence is to act as safety emergency-stop pushbuttons and their switching frequency is approximately 1000 operating cycles.

This 3SB3266-1HR20 mushroom pushbutton has been designed to used up to 300000 cycles.
The minimum and maximum operating voltage ranging from 5V to 400V.
The resistance against vibration, according to IEC 60068-2-6 is 20 ... 200 Hz: 5g.
3SB3266-1HR20 has a mechanical operating cycles as operating time up to 300000 cycles.
The ambient temperature during the operating phase ranging from -25°C to +70°C, during storage however ranging from -40°C to +80°C.
The Emergency Stop Mushroom Pushbuttons represents worldwide standards, in particular:
•IP66 where a device can withstand high-pressure water jets and is suitable for tough outdoor use

Frequently asked questions & answers


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

A general-purpose push button switch is used for controls, e.g. to start machine operation or simply to switch modes. An emergency stop push button switch however, is mainly used as a safety measure to stop hazardous events.

PHASE OUT NOTIFICATION


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.