What is the installation environment for this part?
The Siemens 3TK2826-1BB42 is suitable for Class A environments only. It may cause undesired radio-frequency interference in residential environments, and if this is the case, appropriate measures must be taken.
What is the Safety Integrity Level (SIL) of this part?
The Siemens 3TK2826-1BB42 has a Safety Integrity Level (SIL) of 3 according to IEC 61508.
What is the Performance Level (PL) of this part?
The Siemens 3TK2826-1BB42 has a Performance Level (PL) of 'e' according to ISO 13849-1.
What is the category of this part according to EN 954-1 and ISO 13849-1?
The Siemens 3TK2826-1BB42 falls under category 4 according to both EN 954-1 and ISO 13849-1.
What is the hardware fault tolerance of this part?
The Siemens 3TK2826-1BB42 has a hardware fault tolerance of 1 according to IEC 61508.
What is the safety device type of this part?
The Siemens 3TK2826-1BB42 is a Type B safety device according to IEC 61508-2.
What is the probability of dangerous failure per hour (PFHD) of this part?
The Siemens 3TK2826-1BB42 has a PFHD of 0.78E-8 1/h with high demand rate according to EN 62061.
What is the average probability of failure on demand (PFDavg) of this part?
The Siemens 3TK2826-1BB42 has a PFDavg of 0.15E-4 1/y with low demand rate according to IEC 61508.
What is the T1 value for proof test interval or service life of this part?
The Siemens 3TK2826-1BB42 has a T1 value of 20 according to IEC 61508.
What is the number of outputs as contact-affected switching element of this part?
The Siemens 3TK2826-1BB42 has 1 NC contact for reporting function with instantaneous switching, 1 NC contact for reporting function with delayed switching, 1 NO contact for reporting function with delayed switching, 2 NO contacts for safety-related with instantaneous switching, and 2 NO contacts for safety-related with delayed switching.