| Evaluation unit for full motor protection (monostable) Size S00...S12, class 5...30 Stand-alone installation Main circuit: -- Auxiliary circuit: Screw terminal Manual-Automatic-Reset |
| Product brand name | SIRIUS |
| Product designation | solid-state overload relay |
| Product type designation | 3RB22 |
| General technical data |
| Size of overload relay | S00 ... S12 |
| Size of contactor can be combined company-specific | S00 ... S12 |
| Power loss [W] total typical | 0.5 W |
| Insulation voltage with degree of pollution 3 rated value | 300 V |
| Surge voltage resistance rated value | 4 kV |
| Protection class IP | |
| on the front | IP20 |
| Type of protection | PTB 05 ATEX 3022 Ex II (2) GD |
| Protection against electrical shock | finger-safe |
| Reference code acc. to DIN EN 81346-2 | F |
| Ambient conditions |
| Installation altitude at height above sea level | |
| maximum | 2 000 m |
| Ambient temperature | |
| during operation | -25 ... +60 °C |
| during storage | -40 ... +80 °C |
| during transport | -40 ... +80 °C |
| Relative humidity during operation | 100 % |
| Main circuit |
| Number of poles for main current circuit | 3 |
| Adjustable pick-up value current of the current-dependent overload release | 0.3 ... 630 A |
| Operating voltage | |
| at AC-3 rated value maximum | 1 000 V |
| Auxiliary circuit |
| Number of NC contacts for auxiliary contacts | 2 |
| Number of NO contacts for auxiliary contacts | 2 |
| Number of CO contacts | |
| for auxiliary contacts | 0 |
| Operating current of auxiliary contacts at AC-15 | |
| at 24 V | 6 A |
| at 110 V | 6 A |
| at 120 V | 6 A |
| at 125 V | 6 A |
| at 230 V | 3 A |
| Operating current of auxiliary contacts at DC-13 | |
| at 24 V | 2 A |
| at 60 V | 0.55 A |
| at 110 V | 0.3 A |
| at 125 V | 0.3 A |
| at 220 V | 0.2 A |
| Protective and monitoring functions |
| Trip class | Class 5, 10, 20 and 30 adjustable |
| Short-circuit protection |
| Design of the fuse link | |
| for short-circuit protection of the auxiliary switch required | fuse gL/gG: 6 A |
| Installation/ mounting/ dimensions |
| Mounting position | any |
| Mounting type | stand-alone installation |
| Height | 111 mm |
| Width | 45 mm |
| Depth | 95 mm |
| Required spacing | |
| with side-by-side mounting | |
| — forwards | 0 mm |
| — Backwards | 0 mm |
| — upwards | 0 mm |
| — downwards | 0 mm |
| — at the side | 0 mm |
| for grounded parts | |
| — forwards | 0 mm |
| — Backwards | 0 mm |
| — upwards | 0 mm |
| — at the side | 6 mm |
| — downwards | 0 mm |
| for live parts | |
| — forwards | 0 mm |
| — Backwards | 0 mm |
| — upwards | 0 mm |
| — downwards | 0 mm |
| — at the side | 6 mm |
| Connections/Terminals |
| Product function | |
| removable terminal for auxiliary and control circuit | Yes |
| Type of electrical connection | |
| for auxiliary and control current circuit | screw-type terminals |
| Type of connectable conductor cross-sections | |
| for auxiliary contacts | |
| — finely stranded with core end processing | 0.5 ... 2.5 mm², 2x (0.5 ... 1.5 mm²) |
| at AWG conductors for auxiliary contacts | 2x (24 ... 16) |
