3TK1910-3A 1ST AUXILIARY CONTACT BLOCK
From SIEMENS
| 1st auxiliary switch block for lateral mounting to contactors left or right 1 NO + 1 NC !!! Phased-out product !!! Successor is SIRIUS 3RT Preferred successor type is 3RH1951-1TA11 | ||
| General technical data | ||
| Product brand name | SIRIUS | |
| Suitability for use | Contactor relay and power contactor | |
| Protection class IP on the front | IP20 | |
| Ambient temperature | ||
| during storage | -55 ... +80 °C | |
| during operation | -25 ... +55 °C | |
| Mechanical service life (switching cycles) typical | 10 000 000 | |
| Insulation voltage with degree of pollution 3 rated value | 690 V | |
| Surge voltage resistance rated value | 6 kV | |
| Auxiliary circuit | ||
| Number of NC contacts for auxiliary contacts | ||
| instantaneous contact | 1 | |
| lagging switching | 0 | |
| Number of NO contacts for auxiliary contacts | ||
| instantaneous contact | 1 | |
| leading contact | 0 | |
| Operating current of auxiliary contacts at AC-12 | ||
| at 24 V | 10 A | |
| at 230 V | 10 A | |
| maximum | 10 A | |
| Operating current | ||
| of auxiliary contacts | ||
| — at AC-14 | ||
| — at 125 V | 10 A | |
| — at AC-15 | ||
| — at 24 V | 10 A | |
| — at 230 V | 5.6 A | |
| — at 400 V | 3.6 A | |
| at AC-15 at 690 V rated value | 2.3 A | |
| Operating current | ||
| of auxiliary contacts at DC-13 | ||
| — at 24 V | 10 A | |
| — at 60 V | 5 A | |
| — at 110 V | 1.14 A | |
| — at 220 V | 0.48 A | |
| Installation/ mounting/ dimensions | ||
| Mounting type | snap-on mounting | |
| Width | 12 mm | |
| Height | 70 mm | |
| Depth | 51.5 mm | |
| Connections/Terminals | ||
| Type of connectable conductor cross-sections | ||
| for auxiliary contacts | ||
| — finely stranded | ||
| — with core end processing | 2x (0.5 ... 1.0 mm²), 2x (0.75 ... 2.5 mm²) | |
| at AWG conductors for auxiliary contacts | 2x (18 ... 12) | |
| Safety related data | ||
| Product function positively driven operation acc. to IEC 60947-5-1 | Yes | |
