Description
Siemens SIRIUS Safety Relay 3TK28402BB40
The Siemens SIRIUS Safety Relay 3TK28402BB40 is designed specifically for use in **EMERGENCY-STOP units**, ensuring safety and protection in industrial systems. With a rated insulation voltage of 50 V and impulse voltage resistance of 500 V, this relay provides reliable operation for critical safety functions. It features a delayed action of 2 HL, 0 s and meets international safety standards, including **IEC 61508** and **GB14048.5** at 50 Hz.
- Manufacturer: Siemens
- Type: Safety Relay
- Model Number (MNR): 3TK28402BB40
- Brand Name: SIRIUS
Technical Information
- Design of the Product: For EMERGENCY-STOP units
- Insulation Voltage Rated Value (Ui): 50 V
- Impulse Voltage Resistance Rated Value (Uimp): 500 V
- Delayed: 2 HL, 0 s
- Standard: IEC 61508, GB14048.5 at 50 Hz
- Type of Mounting: Screw and snap-on mounting
- Protection Class: Housing: IP40, Terminal: IP20
- Operating Temperature: -25 to +60°C
- Dimensions: 22.5 x 88 x 120 mm
The Siemens SIRIUS Safety Relay 3TK28402BB40 is a high-quality, reliable safety relay designed to meet critical safety standards in industrial applications, ensuring the protection of personnel and equipment in emergency situations.
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