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Siemens 240V AC Safety Relay with 4 Safety Contacts Model 3SK1111-2AW20
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Height | 122mm |
| Length | 100mm |
| Model | 3SK1111-2AW20 |
| IP Rating | IP20 |
| Width | 22.5mm |
| Series | 3SK1 |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Safety Category | 4 |
| Terminal type | Cage Clamp |
| Standards/Approvals | RoHS |
| Coil Voltage | 240V ac |
| Safety Contacts | 4 |
Key Features
- Equipped with Safety Category 4 for highest safety assurance.
- Certified SIL 3 for high operational reliability in safety systems.
- Features spring terminal design for quick and secure wiring.
- Includes cross-circuit-proof functionality to prevent wiring faults.
- Protected by IP20 rating for dust and solid particle protection.
- Operates within temperature range -25°C to 60°C for versatile environments.
- Compact dimensions of 100mm length, 22.5mm width, and 122mm height.
- Functions on both AC and DC supply voltages from 110V to 240V.
Product Description
Siemens 3SK1111-2AW20 is a high-performance safety relay designed for industrial automation applications requiring safety monitoring and protection. Operating on a 240V AC coil voltage, it offers 4 safety contacts and meets Safety Category 4 standards, making it suitable for critical safety circuits. The relay's compact form factor with dimensions of 100mm length, 22.5mm width, and 122mm height facilitates easy installation in control panels.
This safety relay features a spring terminal cage clamp for fast, secure connections, ensuring installation efficiency. It is cross-circuit-proof, which enhances operator safety by preventing wiring errors. Its IP20 protection class supports reliable operation against dust ingress in typical industrial environments.
Certified to SIL 3 standards, this relay guarantees a high level of reliability and operational safety, making it ideal for emergency stop functions, machinery protective door monitoring, and safety-related circuit management in automation systems. It performs well under a wide temperature range (-25°C to 60°C) and can be used effectively in humid conditions with relative humidity from 10 to 95%, as well as high altitude sites up to 4000 meters.
Common applications include monitoring protective doors on machinery, emergency stop setups, and position switching in industrial controls. This Siemens relay provides robust, reliable safety circuit management necessary for compliance and operational safety in manufacturing, industrial automation, and machinery environments.
Equipped with Safety Category 4 for highest safety assurance. Certified SIL 3 for high operational reliability in safety systems. Features spring terminal design for quick and secure wiring. Includes cross-circuit-proof functionality to prevent wiring faults.
Protected by IP20 rating for dust and solid particle protection. Operates within temperature range -25°C to 60°C for versatile environments. Compact dimensions of 100mm length, 22.5mm width, and 122mm height. Functions on both AC and DC supply voltages from 110V to 240V.
Suitable for use in altitudes up to 4000 meters. Operates reliably under relative humidity levels from 10% to 95%. Explore the extensive range of Siemens Safety Relays and related industrial components on EnvMart for premium quality and trusted performance in your automation solutions.
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Frequently Asked Questions
This model operates on a 240V AC coil voltage.
It meets Safety Category 4 standards, providing the highest safety assurance for critical safety circuits.
The relay operates within a temperature range of -25°C to 60°C, making it suitable for various environments.
This unit is equipped with 4 safety contacts.
It has an IP20 rating, providing protection against dust and solid particles.
It features a spring terminal cage clamp design for quick and secure wiring connections.
The dimensions are 100mm in length, 22.5mm in width, and 122mm in height.
It can operate reliably at altitudes up to 4000 meters.
It operates effectively under relative humidity levels from 10% to 95%.
It is compliant with RoHS standards, ensuring it meets environmental regulations.
This feature prevents wiring faults, enhancing operator safety during installation.
It is suitable for applications such as emergency stop functions, machinery protective door monitoring, and safety-related circuit management.
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