Siemens Sirius 3TK2828-1BB40 Safety Relay

- Brand: Siemens

- Model: 3TK2828-1BB40 

- Type: Safety Relay / Safety Monitoring Relay 

- Part number: 3TK2828-1BB40

- Technical specifications:  
- Supply voltage: 24 V DC 
- Inputs: 2-channel 
- Outputs: 1 NO + 2 NC 
- Rated operational current: 0.5 A per output (DC-13)  
- Response time: ≤ 30 ms (typical)  
- Recovery time: ≤ 100 ms  
- Safety category: Category 4 (EN ISO 13849-1); Performance Level PL e; SIL 3 (IEC 61508)  
- Diagnostic coverage: High   
- Additional features: Cross-circuit detection; short-circuit monitoring; automatic/manual start; LED indicators for supply, channel 1/2 status, output state, and faults; compact design; screw terminals; suitable for safety circuits up to 24 V DC; part of SIRIUS modular safety system 
- Operating temperature: -25°C to +60°C  
- Protection: IP20 
- Mounting: DIN rail 
- Standards: IEC 61508, EN ISO 13849-1, EN 62061, IEC 60947-5-1; CE, UL, cULus approvals  

Weight: 450 g

Dimensions: 120 x 45 x 100 mm

Country of origin: Germany 

HS code: 8536.49