

| Parameter | Value |
|---|---|
| 4 A (380 - 440 V) | |
| Color | silver/black |
| Width | 48 mm |
| Height | 48 mm |
| Length | 72 mm |
| Hole diameter | 7 mm |
| Additional text | Valid for networks with grounded neutral point, overvoltage category III, pollution degree 3 |
| Switching angle | 60 ° |
| Breaking capacity | 150 A (220 - 240 V) |
| Installation depth | 43.00 mm |
| Rated surge voltage | 6 kV |
| Maximum load current | 20 A |
| Number of connections | 8 |
| Rotary switch function | 0 ‑ 1 |
| Rated continuous current | 20 A |
| Rated insulation voltage | 690 V |
| Switching program number | S0203 |
| Ambient temperature (operation) | -35 °C ... 55 °C (Open, at 100% load, with peaks up to 60°C) |
| Conductor cross section AWG max. | 14 |
| Conductor cross section AWG min. | 20 |
| Conductor cross section solid max. | 2.5 mm² |
| Conductor cross section solid min. | 0.5 mm² |
| Rated short-time current resistance | 140 A |
| Conductor cross section flexible max. | 2.5 mm² |
| Conductor cross section flexible min. | 0.75 mm² |
| Max. AWG conductor cross section, flexible | 14 |
| Min. AWG conductor cross section, flexible | 18 |
| 2 conductors with same cross section, solid max. | 2.5 mm² |
| 2 conductors with same cross section, solid min. | 0.5 mm² |
| 2 conductors with same cross section, stranded max. | 2.5 mm² |
| 2 conductors with same cross section, stranded min. | 0.75 mm² |
| IP immunity to short-circuiting with maximum backup fuse | 25 A |
| Two conductors with the same cross section, AWG solid max. | 14 |
| Two conductors with the same cross section, AWG solid min. | 20 |
| Two conductors with the same cross section, AWG stranded, max. | 14 |
| Two conductors with the same cross section, AWG stranded, min. | 18 |
| Conductor cross section / stranded with ferrule with plastic sleeve min. | 1.5 mm² |
| Conductor cross section / stranded, with ferrule with plastic sleeve max. | 1.5 mm² |
| Conductor cross section / stranded with ferrule without plastic sleeve max. | 2.5 mm² |
| Conductor cross section / stranded with ferrule without plastic sleeve min. | 2.5 mm² |
| 2 conductors with the same cross section/stranded, with ferrule and plastic sleeve, maximum | 1.5 mm² |
| 2 conductors with the same cross section/stranded, with ferrule and plastic sleeve, minimum | 1.5 mm² |
| Rated operating current according to AC-21A (switching of ohmic loads including small overloads) | 20 A |
| Switching power according to AC-4 (squirrel-cage motors: starting, reversing, plugging, inching) | 0.55 kW (220 - 240 V; 3-phase, 3-pos.) |
| Switching power according to AC-23A (frequent switching of motors or other highly inductive loads) | 3.7 kW (220 - 240 V; 3-phase, 3-pos.) |
| 2 conductors with the same cross section/stranded, with ferrule and without plastic sleeve, maximum | 2.5 mm² |
| 2 conductors with the same cross section/stranded, with ferrule and without plastic sleeve, minimum | 2.5 mm² |
| Rated operating current according to AC-15 (switching of solenoid drives, contactors, valves, pulling electromagnets) | 5 A (220 - 240 V) |
| Rated operating current according to AC-22A (switching of mixed ohmic and inductive loads, including small overloads) | 20 A (220 - 500 V) |
| Switching power according to AC-3 (squirrel-cage motors: direct starting, switching off motors during operation, star-delta startup (CH16B)) | 3 kW (220 - 240 V; 3-phase, 3-pos.) |
Technical specifications and performance data
Installation and operation guide