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Siemens 3SE5 Safety Hinge Switch 1 NO/2 NC Metal Housing IP65 6A Contact Current 3SE5112-0LU21
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 78mm |
| Model | 3SE5112-0LU21 |
| IP Rating | IP65 |
| Width | 4mm |
| Housing Material | Metal |
| Series | 3SE5 |
| Maximum Operating Temperature | 85°C |
| Contact Configuration | 1 NO/2 NC |
| Cable Entry Size | M20 x 1.5 |
| Minimum Operating Temperature | -25°C |
| Shaft Length | 19.3mm |
| Terminal type | Screw |
| Pay online using | Or choose to pay later via bank transfer |
| RS Stock No. | 691-8196Brand: SiemensManufacturers Part No.: 3SE5112-0LU21 |
| Contact DC Voltage | 230V dc |
| Mechanical Life | 1000000Operations |
| Contact AC Voltage | 400V ac |
| Contact Current | 6A |
| Number of Cable Entries | 1 |
| Siemens 3SE5 Safety Hinge Switch 1 NO/2 NCRS Stock No. | 691-8196Brand: SiemensManufacturers Part No.: 3SE5112-0LU21 |
Key Features
- Designed for monitoring hinged doors and flaps with a fixed pivot point connection.
- Features 1 NO and 2 NC snap-action contacts for simultaneous shutdown and signaling.
- Metal housing with IP65 rating ensures robust protection against dust and water.
- Mechanical life rated for 1,000,000 operations for long-term durability.
- Cable entry M20 x 1.5 with screw terminal connection for secure wiring.
- Operating temperature range from -25°C to 85°C suits various industrial conditions.
- Supports contact current of 6A with AC voltage up to 400V and DC voltage up to 230V.
- Actuator head rotates in 22.5° increments for flexible installation.
Product Description
Siemens 3SE5112-0LU21 Safety Hinge Switch 1 NO/2 NC is engineered for precise mechanical monitoring of hinged protective doors and flaps in industrial automation systems. Its metal housing combined with an IP65 rating guarantees robust protection against harsh environments, ensuring durability and reliable performance.
This hinge switch includes one normally open and two normally closed snap-action contacts enabling simultaneous shutdown and signaling functions. Installed with a fixed pivot point, it prevents tampering and ensures consistent position sensing. The actuator head can be adjusted in 22.5° increments to suit diverse setups.
The cable entry size is M20 x 1.5 with a single cable entry point and screw terminal connections, facilitating fast and secure wiring. It supports contact currents up to 6A with contact AC voltage up to 400V and DC voltage up to 230V, making it versatile for multiple electrical loads.
Designed for safety category up to Cat 4 (EN 954-1) and meeting SIL 3 IEC 62061 standards, providing high safety and reliability levels. Mechanical life rated at 1 million operations ensures long-term durability in demanding industrial use cases.
Operating temperature range from -25°C to 85°C accommodates a wide range of environmental conditions. Compact dimensions with 4mm width and 78mm length fit into constrained mechanical spaces. Manufactured in Germany reflecting precision engineering and quality assurance.
This switch finds applications across industrial automation, machine safety, electrical enclosures, signaling systems, and manufacturing lines where safe and tamper-proof door monitoring is critical.
Discover more industrial switches and components from Siemens at EnvMart to enhance your automation and electrical systems with reliable safety interlock solutions.
Explore more products in our Safety Interlock Switches category.
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Frequently Asked Questions
The Siemens 3SE5 Safety Hinge Switch features a contact configuration of 1 normally open (NO) and 2 normally closed (NC) snap-action contacts.
This model has an IP65 rating, providing robust protection against dust and water ingress.
The maximum operating temperature for this switch is 85°C, allowing it to function effectively in various industrial conditions.
The mechanical life of this switch is rated for 1,000,000 operations, ensuring long-term durability.
The switch has a length of 78mm and a width of 4mm, making it suitable for installation in constrained mechanical spaces.
It supports a contact current of 6A, making it versatile for various electrical loads.
This switch supports an AC voltage of up to 400V and a DC voltage of up to 230V.
The switch features a cable entry size of M20 x 1.5 with screw terminal connections for secure wiring.
The minimum operating temperature for this switch is -25°C, allowing it to operate in colder environments.
It is designed for applications in industrial automation, machine safety, electrical enclosures, signaling systems, and manufacturing lines where safe door monitoring is critical.
The actuator head can rotate in 22.5° increments, providing flexibility for various installation setups.
This switch is manufactured in Germany, reflecting precision engineering and quality assurance.
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