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Siemens
3TK2842-1BB42
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Image shown may not reflect the final product
Check similar products or call us on +1 847 900 9764 for assistance
This part is currently sold out
Please check back soon.
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3TK2842-1BB42 |
| Manufacturer | Siemens |
| Series | 3TK2842 Series |
| Product Type | Safety Relay |
| Voltage | 24 V DC |
| Mounting Type | Screw and Snap-on Mounting |
| Dimensions (W x H x D) | 22.5 mm x 100 mm x 88 mm |
| Electrical Connection | Screw-type Terminals |
| Conductor Cross-Sections | Solid: 1x (0.5 ... 4.0 mm²), 2x (0.5 ... 2.5 mm²); Stranded: 1x (0.5 ... 2.5 mm²), 2x (0.5 ... 1.5 mm²) |
| AWG Conductor Cross-Sections | Solid: 2x (20 ... 14); Stranded: 2x (20 ... 14) |
| Product Functions | Light Barrier Monitoring, Protective Door Monitoring, Automatic Start, Laser Scanner Monitoring, Monitored Start-up, Light Array Monitoring, EMERGENCY OFF Function, Pressure-sensitive Mat Monitoring |
| Certificates/Approvals | UL, CSA, EN 60204-1, EN ISO 12100, EN 954-1, IEC 61508, DIN EN 50156-1, TÜV, BG BIA |
| Protection Class (Housing) | IP40 |
| Protection Class (Terminal) | IP20 |
| Ambient Temperature | Storage: -40 ... +80 °C; Operation: -25 ... +60 °C |
| Installation Altitude | Up to 2,000 m above sea level |
| Vibration Resistance | 5 ... 500 Hz: 0.075 mm |
| Shock Resistance | 8g / 10 ms and 15g / 5 ms |
| Surge Voltage Resistance | 500 V |
| Safety Integrity Level (SIL) | SIL3 |
| Performance Level (PL) | e |
| Category | 4 |
| Stop Category | 0 + 1 |
| Maximum Achievable SIL | 3 |
| Maximum Achievable PL | e |
| Product Brand Name | SIRIUS |
| Design | For EMERGENCY-STOP Units |
| Insulation Voltage | 50 V |
| Relative Humidity | 10 ... 95 % during operation |
| Air Pressure | 90 ... 106 kPa |
| EMC Emitted Interference | IEC 60947-5-1, IEC 60000-4-3, IEC 60000-4-5, IEC 60000-4-6 |
| Cross-Circuit Proof | Yes |
| Cascading Input | Yes |
| Feedback Input | Yes |
| Start Input | Yes |
| Control Supply Voltage | 24 V DC |
| Operating Frequency | Max. 2,000 1/h |
| Switching Capacity Current | 1.5 A for enabling circuit at DC-13 at 24 V |
| Adjustable OFF-Delay Time | 0.5 ... 30 s |
| Recovery Time | 400 ms after opening of safety circuits; 7,000 ms after power failure |
| Pulse Duration | Sensor Input: Min. 45 ms; ON Pushbutton Input: Min. 0.2 s; Cascading Input: Min. 0.045 s |
| Make Time | Automatic Start: Typical 60 ms, Max. 100 ms; Monitored Start: Typical 60 ms, Max. 100 ms |
| Backslide Delay Time | Typical 0 ms, Max. 0 ms |
| Product Feature | Transverse Contact-Secure |
| Hardware Fault Tolerance | 1 |
| Safety Device Type | Type B |
| PFHD | 0.00000000005 1/h |
| T1 Value | 20 years |
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Frequently Asked Questions
What is the primary function of this safety relay?
The primary function of this safety relay is to provide reliable safety monitoring for emergency stop units and protective door monitoring in industrial applications.
What are the dimensions of the safety relay?
The dimensions of the safety relay are 22.5 mm in width, 100 mm in height, and 88 mm in depth.
What is the rated control supply voltage for this safety relay?
The rated control supply voltage for this safety relay is 24 V DC.
What is the maximum achievable Safety Integrity Level (SIL) for this safety relay?
The maximum achievable Safety Integrity Level (SIL) for this safety relay is SIL 3.
Can this safety relay be used for monitoring light barriers?
Yes, this safety relay is suitable for monitoring light barriers.
What type of mounting options are available for this safety relay?
This safety relay can be mounted using screw and snap-on mounting options.
What is the protection class of the enclosure and terminals?
The protection class of the enclosure is IP40, and the protection class of the terminals is IP20.
What is the operating temperature range for this safety relay?
The operating temperature range for this safety relay is from -25°C to +60°C.
Does this safety relay support automatic start functionality?
Yes, this safety relay supports automatic start functionality.
What is the maximum installation altitude for this safety relay?
The maximum installation altitude for this safety relay is 2,000 meters above sea level.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
