Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQELZIZT  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Siemens 3SU1 Series Twist Release Emergency Stop Push Button, Surface Mount, 2NC, IP66, IP67, IP69
Siemens
Siemens 3SU1 Series Twist Release Emergency Stop Push Button, Surface Mount, 2NC, IP66, IP67, IP69
Part No.
3SU1851-0NB10-4GB2
Procurement Intelligence
The Siemens 3SU1 Series is a twist-release emergency stop push button designed for surface-mounted installation in harsh industrial environments with IP66/67/69 protection ratings. Critical verification: confirm the 2NC contact configuration matches your safety circuit requirements and validate IP rating suitability for your specific environmental exposure (washdown, dust, or chemical).
Industrial emergency stop stations
Before ordering — verify:
☐ Twist release mechanism
☐ 2NC contact configuration
☐ IP66/67/69 rating verification
Technical Specifications
Mounting TypeSurface Mount
Contact Configuration2NC
Push Button ActuationTwist Release
IlluminatedNo
Series3SU1
IP RatingIP66, IP67, IP69
ColourRed
Push Button ShapeRound
Voltage Rating5 → 500 V ac, 5 → 500V dc
Supply Current10A
Depth109mm
Auxiliary Contacts2
Width85mm
Push Button MaterialPlastic
Height105.4mm
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/electrical-items/switches/push-button-switches-components/emergency-stop-push-buttons/siemens-3su1-series-twist-release-emergency-stop-push-button-surface-mount-2nc-ip66-ip67-ip69?mal=6617e2f63db68cec4546cf7a
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.