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.