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Siemens 3SU1 Series Illuminated Push Button Switch, Momentary, Front, 29.45 mm Cutout, 1 NO/1 NC, Red, Green LED, IP66,

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€ 65,25

(excl. BTW)

€ 78,95

(incl. BTW)

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RS-stocknr.:
155-306
Fabrikantnummer:
3SU1158-3AB42-1MA0
Fabrikant:
Siemens
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Merk

Siemens

Product Type

Push Button Switch

Switch Operation

Momentary

Illuminated

Yes

Series

3SU1

Panel Cutout Size

29.45 mm

Mount Type

Front

Contact Configuration

1 NO/1 NC

Terminal Type

Screw

LED Colour

Red, Green

IP Rating

IP66, IP67, IP69K

Contact AC Voltage

500V ac

Minimum Operating Temperature

-25°C

Contact DC Voltage

500V dc

Maximum Operating Temperature

70°C

Width

3mm

Standards/Approvals

UKCA cULus EAC, CE

Height

4mm

Better World Claim

Extended Product Life, Low Carbon Manufacture

Better World Product

Yes

Land van herkomst:
DE

Siemens 3SU1 Series Push Button Switch, 22.3mm Cutout Diameter, Round 29.45mm Diameter - 3SU1158-3AB42-1MA0


This push-button switch is an illuminated twin control intended for industrial control panels and machine interfaces, providing momentary actuation for signal and safety circuits. It combines a metal high-gloss front ring with plastic actuators in red and green, an integrated LED light source rated for 230V AC, and a front-mount design that delivers sealed operation for demanding environments.

Features & Benefits


• IP66 IP67 IP69K protection keeps electronics sealed in harsh conditions
• 1NO 1NC contact arrangement enables both make and break signalling
• Screw Terminal connection supports up to 2x18 to 14 AWG conductors
• Electrical endurance up to 10 million operations ensures long service life
• Operating temperature range -25 to 70 °C allows high-temperature deployment
• Positive opening contact design improves safety during fault conditions

**Applications**


• Suitable for conveyor start/stop control in heavy industry
• Ideal for operator stations on food-processing equipment
• Used with motor control panels requiring sealed interfaces
• Can be used for machine reset and interlock functions

What supply voltage does the illumination require?


The built-in LED module is designed for AC supply at 230V and operates at both 50Hz to 60Hz.

How are conductors prepared for the terminals?


Terminals accept solid and finely stranded conductors with and without end ferrules within 0.5 to 1.5 mm² ranges and permit two conductors per connection where specified.

How does the device cope with mechanical stress?


It withstands sinusoidal shock of 15g/11ms and vibration from 10 to 500 Hz at 5g for robust performance in mobile or vibrating installations.

What protective class applies to the terminals versus the front?


The front-mounted assembly attains high ingress protection levels while the Terminal area is rated at IP20 to maintain access safety.

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