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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3SK1111-2AB30 |
| Alternative Part Number | 3SK11112AB30 |
| Manufacturer | Siemens |
| Series | 3SK1 |
| Type | Safety Relay |
| Supply Voltage | 24 V ac/dc |
| Number of Channels | 1 Channel |
| Contact Configuration | 1NC/3NO |
| Number of Contacts | 2 Contacts |
| Dimensions | 22.5 x 100 x 121.6 mm |
| Commodity Code | 85364900 |
| Suitable for | Monitoring floating and non-floating sensors, safety switch, magnetically operated switch |
| Logic Function | Autostart / Monitored Start |
| Terminal Type | Screw |
| Mounting Type | DIN Rail |
| Operating Temperature | -25°C to +55°C |
| Certification | EMC, Functional Safety/Safety of Machinery, Type Examination Certificate, Declaration of Conformity |
The Siemens 3SK1111-2AB30 is a high-quality safety relay from the 3SK1 Series, designed to ensure the utmost safety in industrial environments. This component is engineered to operate with a 24 V ac/dc supply and features a single channel with a configuration of 1NC/3NO contacts, providing reliable and flexible options for safety-related applications.
With its compact dimensions of 22.5 x 100 x 121.6 mm, this safety relay is an ideal choice for space-constrained installations. The device is crafted to seamlessly integrate into a variety of safety systems, offering enhanced protection for both machinery and personnel. Its robust design ensures it can withstand the rigours of industrial settings, while its finger-safe terminals provide additional safety during installation and maintenance.
The 3SK1111-2AB30 is suitable for monitoring a range of safety devices, including emergency stop buttons, safety gates, and light curtains. It is also capable of monitoring floating and non-floating sensors, as well as magnetically operated switches, making it a versatile solution for diverse safety circuit configurations.
This safety relay is compliant with stringent international safety standards, including a Safety Integrity Level (SIL) of 3 and a Performance Level (PL) of e, according to EN ISO 13849-1. It also boasts a Category 4 rating, the highest level of safety performance under the same standard.
Designed for ease of use, the 3SK1111-2AB30 features a spring-type terminal (push-in) connection method, simplifying the wiring process and reducing installation time. Its clear and logical setup ensures straightforward commissioning and troubleshooting, streamlining the integration process into existing safety systems.
Overall, the Siemens 3SK1111-2AB30 safety relay is a reliable and efficient choice for machine builders and maintenance engineers looking to enhance the safety of their automated processes and machinery. Its combination of advanced safety features, ease of installation, and compact design make it a valuable addition to any safety system.
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Frequently Asked Questions
What is the voltage rating for this safety relay?
The safety relay is rated for 24 V ac/dc, making it suitable for a variety of industrial control applications.
Can you describe the contact configuration of this relay?
Certainly, this relay features 1 normally closed (NC) contact and 3 normally open (NO) contacts, providing flexibility in safety circuit design.
What are the dimensions of this safety relay?
The dimensions are 22.5 x 100 x 121.6 mm, which is a standard size for easy integration into control panels.
Is this relay suitable for use in safety-related applications?
Yes, it is designed for autonomous safety applications and is suitable for use in safety-related circuits.
What type of terminal does this relay have?
This relay comes with spring-type terminals, also known as push-in terminals, for quick and secure connections.
What is the insulation voltage of this relay?
The insulation voltage rated value for this relay is 300 V.
What is the ambient temperature range for operating this relay?
The relay can operate within an ambient temperature range of -25 to +60 degrees Celsius.
What is the maximum installation altitude for this relay?
The maximum installation altitude for this relay is 2,000 metres above sea level.
Does this relay have vibration and shock resistance?
Yes, it is resistant to vibrations according to IEC 60068-2-6 and can withstand shocks of 10g / 11 ms.
What is the surge voltage resistance of this relay?
The surge voltage resistance rated value is 4,000 V.
Can this relay be used for monitoring floating sensors?
Yes, it is suitable for monitoring both floating and non-floating sensors.
What safety integrity level does this relay meet?
This relay meets Safety Integrity Level (SIL) 3 according to IEC 62061 and IEC 61508.
What performance level does the relay comply with?
It complies with performance level (PL) e according to ISO 13849-1.
What is the Safe Failure Fraction (SFF) of this relay?
The Safe Failure Fraction (SFF) is 99%, indicating a high level of reliability in safety functions.
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