3RH2911-4HA03 AUX. SWITCH BLOCK,3NC
From SIEMENS
| Auxiliary switch on the front, 3 NC Current path 1 NC, 1 NC, 1 NC for 3RH and 3RT Ring cable lug connection .1/.2, .1/.2, .1/.2 | ||
| General technical data | ||
| Product brand name | SIRIUS | |
| Suitability for use | Contactor relay and power contactor | |
| Protection class IP on the front | IP00 | |
| Ambient temperature | ||
| during storage | -55 ... +80 °C | |
| during operation | -25 ... +60 °C | |
| Mechanical service life (switching cycles) typical | 10 000 000 | |
| Electrical endurance (switching cycles) at AC-15 at 230 V typical | 200 000 | |
| Contact reliability | one incorrect switching operation of 100 million switching operations (17 V, 1 mA) | |
| Contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) | |
| 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 | 3 | |
| lagging switching | 0 | |
| Number of NO contacts for auxiliary contacts | ||
| instantaneous contact | 0 | |
| 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 | 6 A | |
| — at 250 V | 6 A | |
| — at AC-15 | ||
| — at 24 V | 6 A | |
| — at 230 V | 6 A | |
| — at 400 V | 3 A | |
| at AC-15 at 690 V rated value | 1 A | |
| Operating current | ||
| of auxiliary contacts at DC-12 | ||
| — at 24 V | 10 A | |
| — at 110 V | 3 A | |
| — at 220 V | 1 A | |
| with 2 current paths in series at DC-12 | ||
| — at 24 V rated value | 10 A | |
| — at 60 V rated value | 10 A | |
| — at 110 V rated value | 4 A | |
| — at 220 V rated value | 2 A | |
| — at 440 V rated value | 1.3 A | |
| — at 600 V rated value | 0.65 A | |
| with 3 current paths in series at DC-12 | ||
| — at 24 V rated value | 10 A | |
| — at 60 V rated value | 10 A | |
| — at 110 V rated value | 10 A | |
| — at 220 V rated value | 3.6 A | |
| — at 440 V rated value | 2.5 A | |
| — at 600 V rated value | 1.8 A | |
| Operating current | ||
| of auxiliary contacts at DC-13 | ||
| — at 24 V | 6 A | |
| — at 60 V | 2 A | |
| — at 110 V | 1 A | |
| — at 220 V | 0.3 A | |
| with 2 current paths in series at DC-13 | ||
| — at 24 V rated value | 10 A | |
| — at 60 V rated value | 3.5 A | |
| — at 110 V rated value | 1.3 A | |
| — at 220 V rated value | 0.9 A | |
| — at 440 V rated value | 0.2 A | |
| — at 600 V rated value | 0.1 A | |
| with 3 current paths in series at DC-13 | ||
| — at 24 V rated value | 10 A | |
| — at 60 V rated value | 4.7 A | |
| — at 110 V rated value | 3 A | |
| — at 220 V rated value | 1.2 A | |
| — at 440 V rated value | 0.5 A | |
| — at 600 V rated value | 0.26 A | |
| Installation/ mounting/ dimensions | ||
| Mounting type | snap-on mounting | |
| Width | 36 mm | |
| Height | 37.5 mm | |
| Depth | 43.7 mm | |
| Connections/Terminals | ||
| Type of electrical connection for auxiliary and control current circuit | ring cable connection | |
| Safety related data | ||
| Product function Mirror contact acc. to IEC 60947-4-1 | Yes | |
| Note | with 3RT2 | |
| Product function positively driven operation acc. to IEC 60947-5-1 | Yes | |
| Note | with 3RH2 | |
