Siemens 3TK2820-1AL20 SIRIUS Safety Relay - 230V AC
Siemens SIRIUS safety relay with relay enabling circuits, 230V AC.
The Siemens 3TK2820-1AL20 is a SIRIUS safety relay designed with relay enabling circuits (EC). It operates on 230 V AC and features a narrow 22.5 mm width, making it ideal for space-constrained control panels. This basic device offers 3 instantaneous normally open (NO) EC contacts and 1 normally closed (NC) safety contact (SC). It supports auto-start and monitored start modes, achieving a maximum error category of 4 according to EN 13849-1, with a maximum PL of 'e' and SIL 3.
This safety relay is essential for a wide range of industrial applications requiring reliable safety interlocks and monitoring. It is commonly utilized in sectors such as food and beverage processing, packaging machinery, and general manufacturing where consistent and safe operation is critical.
Stanlo Automation, a proud veteran-owned business, specializes in providing quality surplus industrial automation parts. We ensure that components like the Siemens 3TK2820-1AL20 are readily available, offering cost-effective solutions to maintain and upgrade your automation systems.
| Voltage | 230 V AC |
| Width | 22.5 mm |
| Terminals | Screw |
| EC Instantaneous | 3 NO |
| EC Delayed | 0 |
| SC | 1 NC |
| Auto-start/Monitored start | Yes |
| Max Error Category EN 13849-1 | 4 |
| PL | e |
| SIL | 3 |