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3TK2826-1BB40

Marvo Stock ID: MV-1J0K

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Siemens

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Specifications

Specification Description
Part Number 3TK2826-1BB40
Alternative Part Number 3TK28261BB40
Manufacturer Siemens
Category General Automation
Series 3SK2
Type Safety Relay
Supply Voltage 24 V dc
Channels 1 Channel
Output Configuration 4 Normally Open (NO), 2 Contacts
Dimensions 45 x 138.5 x 120 mm
Terminal Type Screw Terminal
Safety Integrity Level (SIL) SIL3 according to IEC 61508
Performance Level (PL) Max. achievable PL to EN13849-1: E
Operating Temperature Range -25 to +60 °C
Storage Temperature Range -40 to +80 °C
Protection Class IP20
Insulation Voltage Rated at 300 V
Air Pressure According to SN 31205: 90 … 106 kPa
Relative Humidity 10 … 95% during operation
Installation Altitude Up to 2,000 m above sea level
Vibration Resistance According to IEC 60068-2-6: 5 ... 500 Hz, 0.075 mm
Shock Resistance 8g / 10 ms
Impulse Voltage Resistance Rated at 4,000 V
EMC Emitted Interference EN 60947-5-1
Approvals/Certificates UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508
Features Suitable for monitoring emergency stop and protective doors, with cross-circuit protection
Commodity Code 853649

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3TK2826-1BB40 Product Description

The Siemens 3TK2826-1BB40 is a state-of-the-art safety relay from the 3SK2 series, designed to enhance the safety of machinery and operators in industrial settings. This component is engineered to seamlessly integrate into emergency stop and protective door monitoring systems, providing reliable and efficient operation.

With a compact design measuring 45 x 138.5 x 120 mm, this safety relay is suitable for various applications where space is at a premium. It operates on a 24 V dc supply and features a single-channel input that can be expanded through cascading. The relay is equipped with 4 normally open (NO) contacts for immediate safety responses and 2 contacts for signalling purposes, ensuring a high level of safety and operational integrity.

The 3TK2826-1BB40 is characterised by its robust construction, with an IP20 protection rating for both the enclosure and terminal, safeguarding against ingress of solid objects and ensuring the safety of personnel. It is designed to withstand a wide range of environmental conditions, with an operational temperature range of -25 to +60 degrees Celsius and storage temperature capabilities from -40 to +80 degrees Celsius.

This safety relay is compliant with the latest safety standards, including achieving Performance Level 'e' according to EN ISO 13849-1 and Safety Integrity Level 3 (SIL3) as per IEC 61508, indicating its suitability for high-risk safety applications. The hardware fault tolerance and category 4 rating further attest to its reliability and safety performance.

The 3TK2826-1BB40 is a versatile safety solution that can be used in a variety of industrial applications, including monitoring photoelectric safety devices, emergency stop functions, and safety mats. Its ease of installation and maintenance, along with its reliable performance, make it an essential component for ensuring the safety and compliance of automated systems.

Frequently Asked Questions

What is the voltage rating for this safety relay?

The safety relay is rated for a 24 V DC supply voltage.

Can this safety relay be used for emergency stop applications?

Yes, it is designed for use with emergency stop and protective doors, making it suitable for such safety applications.

What are the dimensions of this safety relay?

The dimensions of the safety relay are 45 x 138.5 x 120 mm.

What type of terminals does this safety relay have?

This safety relay comes with screw terminals for secure and reliable connections.

How many safety contacts does the relay have?

The relay has 4 normally open (NO) safety contacts for immediate switching.

What is the maximum switching capacity for this relay?

The maximum switching capacity for the make contacts at 24 V DC is 4 A according to DC-13, and for AC-15 at 24 V, 115 V, and 230 V, it is 4 A.

What is the protection rating of this safety relay?

The safety relay has an IP20 protection rating for both the enclosure and the terminal.

What is the maximum operating temperature range for this relay?

The relay can operate within a temperature range of -25 to +60 degrees Celsius.

What is the mechanical life expectancy of the relay?

The mechanical life expectancy of the relay is typically 10 million switching cycles.

Does this relay have a manual or automatic reset function?

The relay features an 8-function switch, which allows for both manual and automatic reset functions among other settings.

What safety standards does this relay comply with?

The relay complies with EN ISO 13849-1 achieving Performance Level e, and IEC 61508 achieving Safety Integrity Level 3.