🚆 EN57 · EN57AL 🏢 PolRegio UIC 94 51 2 122 325-5 (PL-PREG ra),94 51 2 122 326-3 (PL-PREG s),94 51 2 122 327-1 (PL-PREG rb) ⚡ Elektrisch (3.000V / 3kV) 🛡 ETCS L2 🛡 SHP