| Manufacturer part number (MPN) | XNH1-FCE-S250 |
| EAN / GTIN | 4015081779826 |
| Sales unit | pcs |
| Eaton catalogue number | 183055 |
| Depth | 306 mm |
| Height | 173 mm |
| Width | 184 mm |
| Weight | 2.292 kg |
| Compliances | RoHS conform |
| Certifications | IEC/EN 60947-3 |
| Features | Electronic fuse monitoring and EMC (Electromagnetic compatibility) as of IEC 61000-4-4; Electronic fuse monitoring and EMC (Electromagnetic compatibility) as of IEC 61000-4-5; Standard sealable; Halogen free |
| Fitted with | Error protection; Connectors |
| Flammability characteristics (UL) | Self-extinguishing (UL 94) |
| Special features | Permanent operation (rated operating mode) Current paths of electrolytic copper, silver-plated Cable connection optionally at the top or bottom with electronic monitoring of fuse-links |
| Suitable for | Busbar mounting; Front mounting |
| Actuator type | Cover grip |
| Color | Gray |
| Number of poles | Three-pole |
| Type | Fuse control - electronic |
| Ambient operating temperature details | Ambient temperature range: -25 °C - 70 °C Operating temperature range: -5 °C - 55 °C |
| Equipment heat dissipation, current-dependent | 22 W |
| Heat deflection temperature | 125 °C |
| Heat dissipation at 80% without fuses | 14.1 W |
| Heat dissipation per pole, current-dependent | 7.3 W |
| Rated operational current for specified heat dissipation (In) | 250 A |
| Total heat dissipation without fuses at Ith | 22 W |
| Creepage resistance | CTI 600 |
| Direction of incoming supply | As required (FLEX System) |
| Electrical connection type of main circuit | Screw connection |
| Electronic fuse monitoring | NH with live handle straps; > 1 kOhm/V; 3 LEDs (F1, F2, F3) red; 1 NC; Test button for relay + LEDs; 1 LED green; 1 NO; 1.5 VA; Self-supplied |
| Frequency rating | 40 Hz - 60 Hz |
| Frequency rating (electronic fuse monitoring) | 50 - 60 Hz |
| Frequency rating of contacts | 40 Hz - 60 Hz |
| Lifespan, electrical | 200 operations |
| Operating altitude without derating - max | 2000 mm |
| Overvoltage category | III; II (500 V); III (230/400 V) |
| Permitted power loss per fuse link - max | 23 W |
| Pollution degree | 3 |
| Rated conditional short-circuit rating | 120 kA (500 V); 100 kA (690 V) |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Rated insulation voltage (Ui) | 800 VAC |
| Rated operating voltage (Ue) at AC - max | 500 V |
| Rated operation current (Ie) | 250 A |
| Rated operational current | 250 A (AC-22B); 250 A (DC-21B); 250 A (AC-21B); 250 A (AC-23B); 250 A (DC-22B) |
| Rated short-time withstand current (Icw) | 6 kA |
| Rated uninterrupted current (Iu) | 250 A |
| Switching current of electronic fuse monitoring - max | 1 A |
| Voltage inputs | 400 V AC - 500 V AC (+/-10%) |
| Voltage rating at AC | 400 V (AC-23B) 500 V (AC-22B) 690 V (AC-21B) |
| Voltage rating at AC - max | 250 VAC |
| Voltage rating at DC | 250 V (DC-22B) 440 V (DC-21B) |
| Voltage rating at DC - max | 24 VDC |
| 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 | Busbars of 60 mm |
| 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) | 10 mm² -150 mm² at clamp-type terminal; 25 mm² - 150 mm² at box terminal; 70 mm² - 95 mm² (2x) at double clamp-type terminal; 35 mm² - 150 mm² at box terminal |
| Connection type | Flat connection |
| Degree of protection | IP20 (operating status, XNH installed); IP2XC (contact protection, XNH installed); IP10 (handle cover open, XNH installed); IP3X |
| Rated permanent current Iu | 250 A |
| Motor drive integrated | No |
| Type of electrical connection of main circuit | Screw connection |
| 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 | No |
| Suitable for front mounting | Yes |
| Suitable for busbar mounting | Yes |
| Max. rated operation voltage Ue AC | 500 V |
| With error protection | Yes |
| Motor drive optional | No |
| Position control element | Front side |
| Equipped with connectors | Yes |
| Country of origin | Germany |
