Siemens 5ST3021-2 Trip signal with test button 2NO FOR MCB 5SL, 5SY, 5SP, RCBO 5SU1, RCD 5SV.
| Manufacturer part number (MPN) | 5ST3021-2 |
| EAN / GTIN | 4001869395685 |
| HS code | 8536.90 |
| Sales unit | pcs |
| Contact configuration | 2 NO |
| Installed at the factory | No |
| Width in number of modular spacings | 1 |
| Device fitting | Earth leakage circuit breaker and miniature circuit breaker (MCB) |
| Additional equipment | Auxiliary switch/fault-signal switch |
| Voltage type for actuating | DC |
| Number of contacts as normally open contact | 2 |
| Country of origin | China |
| MOQ | 1 |