A range of one module (17.5mm) wide modular step relays with 1 or 2 NO 16A 250V AC contacts, test button with mechanical indicators, 6 functions available, AC/DC coils, identification label, clamps suitable for two 4 mm2 wires each, clamps not lined up to make wiring easier, DIN rail 46277 mount, possible to connect illuminated push buttons (by means of capacitor), in conformity with IEC 669-1 and IEC 669-2-2, approvals (according to type): IMQ, RINA, SEV, UTE