| Manufacturer part number (MPN) | IZMX16B4-V16W-1 |
| EAN / GTIN | 4015081792993 |
| Sales unit | pcs |
| Eaton catalogue number | 183563 |
| Depth | 584 mm |
| Height | 597 mm |
| Width | 521 mm |
| Weight | 32.49 kg |
| Compliances | IEC; IEC/EN 60947; RoHS conform |
| Amperage Rating | 1600 A |
| Features | Motor drive optional; Complete device with protection unit |
| Fitted with | Switched-off indicator |
| Frame | IZMX16 |
| Number of poles | Four-pole |
| Release system | Electronic release |
| Type | Air circuit breakers/switch-disconnector Open circuit breaker |
| Used with | Air circuit breakers/switch-disconnector; Open circuit breaker |
| Ambient operating temperature - max | 70 °C |
| Ambient storage temperature - max | 70 °C |
| Ambient operating temperature - min | -20 °C |
| Ambient operating temperature details | -20 °C - 70 °C |
| Ambient storage temperature - min | -20 °C |
| Equipment heat dissipation, current-dependent | 320 W |
| Rated operational current for specified heat dissipation (In) | 1600 A |
| Actuator type | Push button |
| Adjustment range short-term delayed short-circuit release - max | 16000 A |
| Adjustment range short-term delayed short-circuit release - min | 960 A |
| Adjustment range undelayed short-circuit release - max | 24000 A |
| Adjustment range undelayed short-circuit release - min | 3200 A |
| Closing delay via spring release | 30 ms |
| Direction of incoming supply | As required |
| Electrical connection type of main circuit | Rail connection |
| Lifespan, electrical | 20000 operations (switching cycles ON/OFF, with maintenance); 10000 operations (switching capacity) |
| Number of standard mechanical operations per hour - max | 60 |
| Operating sequence up to 690 V, 50/60 Hz (IEC/EN 60947) | 42 kA |
| Overload release current setting - max | 1600 A |
| Overload release current setting - min | 640 A |
| Overvoltage category | III |
| Pollution degree | 3 |
| Power of withdrawable switch with cassette | 320 W |
| Rated impulse withstand voltage (Uimp) | 12 kV AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated operating voltage (Ue) - max | 690 V |
| Rated operating voltage (Ue) - min | 240 V |
| Rated short-circuit breaking capacity at 400 V, 50 Hz | 42 kA |
| Rated short-circuit making capacity up to 440 V, 50/60 Hz | 88 kA |
| Rated short-circuit making capacity up to 690 V, 50/60 Hz | 88 kA |
| Rated short-time withstand current (t = 1 s) | 42 kA |
| Rated uninterrupted current (Iu) | 1600 A |
| Rated uninterrupted current (Iu) at 50°C | 1500 A |
| Rated uninterrupted current (Iu) at 60°C | 1400 A |
| Rated uninterrupted current (Iu) at 70°C | 1350 A |
| Short-circuit release delayed setting - max | 16000 A |
| Short-circuit release delayed setting - min | 1200 A |
| Short-circuit release non-delayed setting | 1.5 - 10 x Ir |
| Short-circuit release non-delayed setting - max | 24000 A |
| Utilization category | B |
| Voltage rating at AC | 690 V AC |
| Degree of protection | IP31; IP31 with door seals; IP55 with protective cover |
| Device construction | Built-in device slide-in technique (withdrawable) |
| Lifespan, mechanical | 12500 switching cycles (ON/OFF); 25000 operations (switching capacity, with maintenance) |
| Mounting Method | Withdrawable |
| Number of auxiliary contacts (change-over contacts) | 2 |
| Number of auxiliary contacts (normally closed contacts) | 0 |
| Number of auxiliary contacts (normally open contacts) | 0 |
| Position of connection for main current circuit | Back side |
| Protection | Selective operation |
| Weight of cassette version (4-pole) | 21 kg |
| Weight of fixed withdrawable version (4-pole) | 33 kg |
| Terminal capacity (copper bar) | 5 mm x 100 mm (2x) for withdrawable units (black) |
| Rated permanent current Iu | 1600 A |
| With integrated under voltage release | No |
| Overload release current setting | 320–800 A |
| Number of auxiliary contacts as change-over contact | 2 |
| Rated voltage | 690 V |
| Power loss | 320 W |
| Motor drive integrated | No |
| Type of electrical connection of main circuit | Rail connection |
| Type of control element | Push button |
| With switched-off indicator | Yes |
| Rated short-circuit breaking capacity Icu at 400 V, 50 Hz | 42 kA |
| Adjustment range short-term delayed short-circuit release | 2400–16000 A |
| Adjustment range undelayed short-circuit release | 3200–24000 A |
| Suitable for DIN rail (top hat rail) mounting | No |
| Integrated earth fault protection | No |
| Motor drive optional | Yes |
| DIN rail (top hat rail) mounting optional | No |
| Complete device with protection unit | Yes |
| Country of origin | China |
