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3TK2824-1CB30

Marvo Stock ID: MV-27R4

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Siemens

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Specifications

Specification Description
Part Number 3TK2824-1CB30
Alternative Part Number 3TK28241CB30
Manufacturer Siemens
Product Type Safety Relay
Supply Voltage 24 V ac/dc
Function Protective Door Monitoring
Output Contacts 2NO
Connection Type Screw
Mounting Options Screw Mount; Snap-On Mount
Dimensions 23 x 120 x 102 mm
Safety Integrity Level (SIL) SIL3
Performance Level (PL) e
Category according to EN ISO 13849-1 2
Hardware Fault Tolerance 1
Safety Device Type Type A
Ambient Operating Temperature -25 ... +60 °C
Insulation Voltage Rated value 300 V
Protection Class IP IP40 for enclosure, IP20 for terminal
Vibration Resistance 5 ... 500 Hz: 0.075 mm
Shock Resistance 8g / 10 ms
Surge Voltage Resistance Rated value 4,000 V
EMC Suitable for Class A environments only
Installation Altitude Maximum 2,000 m above sea level
Relative Humidity 10 ... 95 %
Control Supply Voltage Frequency 50 Hz / 60 Hz
Electrical Endurance Typical 100,000 switching cycles
Mechanical Service Life Typical 10,000,000 switching cycles
Design for Emergency Stop Units Yes
Protective Door Monitoring Yes
Automatic Start Yes
Emergency Off Function Yes
Feedback Input Yes
Start Input Yes

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3TK2824-1CB30 Product Description

The Siemens 3TK2824-1CB30 is a high-quality safety relay designed for monitoring protective doors and emergency stop circuits. This component is an essential part of machine safety systems, ensuring that hazardous movements are stopped reliably, and it helps to protect both machinery and personnel. With a 24 V ac/dc operating voltage, this safety relay is versatile and can be integrated into various control systems.

The 3TK2824-1CB30 features two normally open (NO) contacts for safety-related instantaneous operations, making it suitable for applications where immediate response is critical. The screw terminals provide a secure and durable connection, while the option for screw or snap-on mounting offers flexibility during installation.

Measuring 23 x 120 x 102 mm, this compact device is designed to fit neatly into control panels without taking up excessive space. It is engineered to meet the highest safety standards, with a Performance Level (PL) of e and a Safety Integrity Level (SIL) of 3, according to EN ISO 13849-1 and IEC 61508 respectively.

This safety relay is suitable for Class A environments and is equipped with a feedback input and a start input, enhancing its functionality and allowing for a more comprehensive safety system design. It is also characterised by its robust construction, with an insulation voltage rated at 300 V and resistance to environmental factors such as vibration, shock, and a wide range of operating temperatures.

The Siemens 3TK2824-1CB30 is a reliable and efficient solution for machine safety applications, providing peace of mind through its dependable operation and adherence to stringent safety regulations.

Frequently Asked Questions

What is the voltage rating for this safety relay?

The safety relay operates with a control supply voltage of AC/DC 24V.

Can this safety relay be used for protective door monitoring?

Yes, it is designed for protective door monitoring among other safety-related applications.

What are the dimensions of this safety relay?

The dimensions are 22.5 mm in width, 120 mm in height, and 120 mm in depth.

What type of terminals does this safety relay have for electrical connections?

It features screw-type terminals for secure and reliable electrical connections.

Is this safety relay suitable for emergency stop applications?

Yes, it is suitable for emergency stop circuit monitoring.

What is the maximum operating frequency of this relay?

The maximum operating frequency is 1,000 operations per hour.

What is the product's IP rating?

The enclosure has an IP40 rating, while the terminal has an IP20 rating, ensuring protection against solid objects.

What is the mechanical service life of the relay?

The mechanical service life is typically 10 million switching cycles.

What is the thermal current rating for the switching element with contacts?

The thermal current of the switching element with contacts is a maximum of 5 A.

Can this relay be used for monitoring floating sensors?

Yes, it is suitable for monitoring floating sensors.

What is the installation altitude limit for this relay?

The relay can be installed at altitudes up to 2,000 meters above sea level.

What certifications does this safety relay have?

It has certifications from BG, SUVA, UL, CSA, and complies with standards such as EN 60204-1, EN ISO 12100, EN 954-1, and IEC 61508.

What is the surge voltage resistance of this relay?

The surge voltage resistance rated value is 4,000 V.

Does this relay have a feedback input?

Yes, it includes a feedback input for comprehensive safety circuit monitoring.