| Manufacturer part number (MPN) | XNH1-A250-BT |
| EAN / GTIN | 4015081779710 |
| Sales unit | pcs |
| Eaton catalogue number | 183044 |
| Depth | 306 mm |
| Height | 117 mm |
| Width | 184 mm |
| Weight | 2.031 kg |
| Compliances | RoHS conform |
| Certifications | IEC/EN 60947-3 |
| Features | Halogen free; Standard sealable |
| Flammability characteristics (UL) | Self-extinguishing (UL 94) |
| Special features | Current paths of electrolytic copper, silver-plated Permanent operation (rated operating mode) |
| Suitable for | Ground mounting; Front mounting |
| Actuator type | Cover grip |
| Color | Gray |
| Number of poles | Three-pole |
| Type | Basic device |
| Ambient operating temperature details | Ambient temperature range: -25 °C - 70 °C |
| Equipment heat dissipation, current-dependent | 16 W |
| Heat deflection temperature | 125 °C |
| Heat dissipation at 80% without fuses | 10.2 W |
| Heat dissipation per pole, current-dependent | 5.3 W |
| Rated operational current for specified heat dissipation (In) | 250 A |
| Total heat dissipation without fuses at Ith | 16 W |
| Creepage resistance | CTI 600 |
| Direction of incoming supply | As required |
| Electrical connection type of main circuit | Frame clamp |
| Frequency rating | 40 Hz - 60 Hz |
| Frequency rating of contacts | 40 Hz - 60 Hz |
| Lifespan, electrical | 200 operations |
| Operating altitude without derating - max | 2000 mm |
| Overvoltage category | III |
| Permitted power loss per fuse link - max | 23 W |
| Pollution degree | 3 |
| Rated conditional short-circuit rating | 100 kA (690 V); 120 kA (500 V) |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated insulation voltage (Ui) | 800 VAC |
| Rated operating voltage (Ue) at AC - max | 690 V |
| Rated operation current (Ie) | 250 A |
| Rated operational current | 250 A (AC-22B); 250 A (AC-21B); 250 A (DC-21B); 250 A (DC-22B); 250 A (AC-23B) |
| Rated short-time withstand current (Icw) | 6 kA |
| Rated uninterrupted current (Iu) | 250 A |
| Voltage rating at AC | 400 V (AC-23B) 500 V (AC-22B) 690 V (AC-21B) |
| Voltage rating at DC | 250 V (DC-22B) 440 V (DC-21B) |
| Voltage test | Yes, sliding inspection windows |
| Conditioned rated short-circuit current Iq | 120 kA |
| Rated conditional short-circuit current (Iq) | 120 kA |
| Activation type | Dependent manual activation |
| Actuator position | Front side |
| Cable entry type | Other |
| Degree of protection (front side) | Other |
| Lifespan, mechanical | 1400 operations |
| Locking facility | Yes, optional |
| Material | Polyamide |
| Mounting method | DIN rail; Mounting plate |
| Mounting position | Vertical or horizontal |
| Size | NH1 fuse |
| Suitable for fuses | NH1 |
| Terminal capacity (copper band) | 6 mm x 16 mm x 0.8 mm (6x) at box terminal |
| Terminal capacity (copper busbar) | 30 mm x 10 mm; Max. 37 mm cable lug width at flange connection; Bolt diameter at flange connection: M10 |
| Terminal capacity (copper strip) | 16 mm x 0.8 mm (10x) at box terminal |
| Terminal capacity (stranded cable) | 25 mm² - 150 mm² at box terminal; 10 mm² -150 mm² at clamp-type terminal; 35 mm² - 150 mm² at box terminal; 70 mm² - 95 mm² (2x) at double clamp-type terminal |
| Connection type | Box terminal |
| Degree of protection | IP10 (handle cover open, XNH installed); IP20 (operating status, XNH installed); IP2XC (contact protection, XNH installed) |
| Rated permanent current Iu | 250 A |
| Motor drive integrated | No |
| Type of electrical connection of main circuit | Frame clamp |
| Version as emergency stop installation | No |
| Type of control element | Cover grip |
| Version as main switch | No |
| Version as safety switch | No |
| Rated short-time withstand current lcw | 6 kA |
| Suitable for floor mounting | Yes |
| Suitable for front mounting | Yes |
| Suitable for busbar mounting | No |
| Max. rated operation voltage Ue AC | 690 V |
| With error protection | No |
| Motor drive optional | No |
| Position control element | Front side |
| Equipped with connectors | No |
| Country of origin | Germany |
