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Siemens SIRIUS 3TK2807-0BB4

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3TK2807-0BB4

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The Siemens 3TK2807-0BB4 belongs to the SIRIUS series and is designed as a safety relay. This module operates effectively within a temperature range of -25 to +60°C and can withstand storage temperatures from -40 to +80°C.

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Technical specifications for 3TK2807-0BB4

ManufacturerSiemens
Product LineSIRIUS
Part Number3TK2807-0BB4
EAN4011209347083
Weight3.50 lbs (1.59 kg)
Module DescriptionSafety Relay
Ambient Temperature During Operation-25 to +60°C
Ambient Temperature During Storage-40 to +80°C
Atmospheric Pressure900 to 1060 hPa
IP Degree of Protection of the HousingIP40
IP Degree of Protection of the TerminalIP20
Supply Voltage24 VDC
Touch Protection Against Electric ShockSafe from finger-touch
Enable Circuit-Instantaneous5 NO+1 NC
Signaling Circuits-Relay3 NO
Type of FixingSnap-on Mounting
Relative Air Humidity10 to 95%
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Siemens presents the 3TK2807-0BB4 safety relay, a robust component within the SIRIUS series. This relay is engineered to function in diverse industrial settings with an operational temperature range extending from -25°C up to +60°C. When stored, it can tolerate even broader temperature conditions, from -40°C to +80°C.

The relay is built to withstand specific atmospheric pressures between 900 hPa and 1060 hPa, accommodating varying environmental conditions. Its enclosure design is rated at IP40, offering protection against dust, while the terminals maintain an IP20 rating, ensuring some level of protection against accidental contact. Initially powered by 24 VDC, this relay also provides touch protection against electric shock, being safe from finger contact.

The instantaneous enable circuit is notable, featuring five normally open (NO) contacts alongside a single normally closed (NC) contact, allowing for flexible configuration in safety applications. Additionally, the relay includes three NO signaling circuits, enhancing its operational versatility. Installation is further simplified through snap-on mounting, ensuring a secure fit in various setups. Furthermore, the component successfully operates amidst a relative humidity range of 10% to 95%, ensuring reliable function in damp environments.