What is the SICK STR1 M12x5 and what does it do?

The SICK STR1 is a non-contact transponder-based safety switch that monitors the position of guard doors, gates and access panels without physical contact. It uses transponder technology to eliminate mechanical wear and reduce maintenance compared to traditional contact switches.

Can the STR1 be used in washdown and wet environments?

Yes, the STR1 is rated IP67 and IP69K for washdown environments and is suitable for food processing, pharmaceutical and heavy industrial applications. Its non-contact design makes it ideal for high-pressure cleaning areas.

How does the STR1 integrate into a safety circuit?

The STR1 has an integrated emergency off relay that connects directly into your safety circuit without additional components. It is certified to CE and SIL-rated machine safety standards for direct use in safety systems.

Is the SICK STR1 compact enough for tight mounting spaces?

Yes, the STR1 measures 40 mm x 18 mm x 26 mm and weighs only 0.068 kg, making it suitable for space-constrained installations. Its flat actuator with M12x5 connector and PUR cable socket also resists vibration in demanding environments.

What maintenance does a non-contact STR1 switch require compared to mechanical switches?

The STR1 requires significantly less maintenance because its transponder technology eliminates all mechanical wear and contact-based degradation. This minimizes maintenance interruptions and extends service life in demanding industrial environments.

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SICK STR1 Non-contact Safety Switch, M12x5

Name: SICK STR1 Non-contact Safety Switch, M12x5
Brand: SICK
SKU: 3191
Price: 209 USD
Availability: InStock

SICK

$209.00

SICK STR1 non-contact transponder safety switch with M12x5 connector, flat actuator, and integrated emergency off relay. IP67/IP69K rated for guard and gate position monitoring in washdown and high-vibration manufacturing environments.

SICK STR1 Non-contact Safety Switch with M12x5 connector is a transponder-based guard safety sensor for position monitoring in industrial automation and high-washdown environments.

Key Specifications:

40 mm x 18 mm x 26 mm housing
0.068 kg weight
IP67 and IP69K ingress protection
Integrated emergency off relay for direct safety circuit integration

Features and Technology:

Transponder technology enables non-contact operation, reducing maintenance needs compared to contact-based switches and improving durability by eliminating mechanical wear.
Flat actuator with PUR cable and M12x5 socket offers robust, reliable connectivity in high-vibration settings.
Non-contact detection ensures safe monitoring of guard doors, gates, and access panels.
Suitable for washdown safety applications in food processing, pharmaceutical, and heavy industrial environments.

Applications:

Position monitoring switch for automated manufacturing
Safety interlock for machine enclosure and access control
Guard safety sensor in high-pressure cleaning areas

STR1 Series and Compatibility:

STR1 family includes part numbers 1069565, 2095619, and 1085344 for various cable lengths and actuator variants. The SICK STR1 safety switch is certified to industry standards for safety systems and approved for use on CE and SIL-rated machines.

Compare to Contact-Based Switches:

Non-contact operation minimizes maintenance interruptions and maximizes service life, making SICK safety switches preferable in demanding environments over traditional mechanical switches.

Weight0.068 kg

System of protectionIP67 und IP69K

Gripper Dimensions: 40 mm x 18 mm x 26 mm
Dimensions: 40 mm x 18 mm x 26 mm
IP Rating: IP67, IP69K
Connector: M12x5
Actuation Type: Non-contact transponder
Safety Features: Integrated emergency off relay
Application: Position monitoring
Access control

Non-contact transponder safety switch, M12x5 connector with flat actuator, PUR cable socket and emergency off relay
Zero mechanical wear, transponder technology eliminates contact-based maintenance and wear
IP67 and IP69K rated for washdown environments, food processing and pharmaceutical use
Integrated emergency off relay connects directly into safety circuits
Compact 40 mm x 18 mm x 26 mm housing, weighs 0.068 kg for space-constrained installations
Guards doors, gates and access panels with safe non-contact position monitoring
Certified to CE and SIL-rated machine safety standards

: The SICK STR1 is a non-contact transponder-based safety switch that monitors the position of guard doors, gates and access panels without physical contact. It uses transponder technology to eliminate mechanical wear and reduce maintenance compared to traditional contact switches.
: Yes, the STR1 is rated IP67 and IP69K for washdown environments and is suitable for food processing, pharmaceutical and heavy industrial applications. Its non-contact design makes it ideal for high-pressure cleaning areas.
: The STR1 has an integrated emergency off relay that connects directly into your safety circuit without additional components. It is certified to CE and SIL-rated machine safety standards for direct use in safety systems.
: Yes, the STR1 measures 40 mm x 18 mm x 26 mm and weighs only 0.068 kg, making it suitable for space-constrained installations. Its flat actuator with M12x5 connector and PUR cable socket also resists vibration in demanding environments.
: The STR1 requires significantly less maintenance because its transponder technology eliminates all mechanical wear and contact-based degradation. This minimizes maintenance interruptions and extends service life in demanding industrial environments.

Non-contact vs. contact-based guard switches:

The SICK STR1 uses transponder technology to detect guard position without physical contact, unlike mechanical switches that wear over time. Choose this when maintenance downtime and durability matter more than lowest upfront cost.

For washdown lines in food or pharma, the IP67 and IP69K ratings and zero mechanical wear eliminate corrosion and contact degradation that plague traditional switches.
In tight machine enclosures under 50 mm, the compact 40 mm x 18 mm x 26 mm body and 0.068 kg weight fit where larger contact switches cannot.
When safety circuit integration is required, the integrated emergency off relay connects directly to control logic without external wiring.
On high-vibration lines or frequent guard cycles, non-contact operation removes the risk of contact bounce or contamination-induced false signals.

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SICK STR1 Non-contact Safety Switch, M12x5

Key Specifications:

Features and Technology:

Applications:

STR1 Series and Compatibility:

Compare to Contact-Based Switches:

Key Specifications

Features

Frequently asked questions

How this compares

Non-contact vs. contact-based guard switches:

Related Products

SICK STR1 Non-contact Safety Switch, M12x5

Key Specifications:

Features and Technology:

Applications:

STR1 Series and Compatibility:

Compare to Contact-Based Switches:

Key Specifications

Features

Frequently asked questions

How this compares

Non-contact vs. contact-based guard switches:

Related Products