
NH1 Switch-disconnector 1P
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Overview
Eaton NH1 Switch-disconnector 1P (part number XNH1-1-A250) is listed under Switchgear & Protection / Fuse Switch-Disconnectors. Sales unit: pcs; Eaton catalogue number: 183049; Depth: 306 mm; Height: 117 mm; Width: 69 mm; Weight: 0.996 kg.
Technical Specifications
- Manufacturer part number (MPN)
- XNH1-1-A250
- EAN / GTIN
- 4015081779765
- Sales unit
- pcs
- Eaton catalogue number
- 183049
- Depth
- 306 mm
- Height
- 117 mm
- Width
- 69 mm
- Weight
- 0.996 kg
- Compliances
- RoHS conform
- Certifications
- IEC/EN 60947-3
- Features
- Standard sealable; Halogen free
- 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
- Single-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
- 14.1 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
- 22 W
- Creepage resistance
- CTI 600
- Direction of incoming supply
- As required
- Electrical connection type of main circuit
- Screw connection
- 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-23B); 250 A (AC-22B); 250 A (AC-21B); 250 A (DC-21B); 250 A (DC-22B)
- 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
- Mounting plate; DIN rail
- 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)
- Max. 37 mm cable lug width at flange connection; Bolt diameter at flange connection: M10; 30 mm x 10 mm
- Terminal capacity (copper strip)
- 16 mm x 0.8 mm (10x) at box terminal
- Terminal capacity (stranded cable)
- 70 mm² - 95 mm² (2x) at double clamp-type terminal; 10 mm² -150 mm² at clamp-type terminal; 35 mm² - 150 mm² at box terminal; 25 mm² - 150 mm² at box terminal
- Connection type
- Flat connection
- Degree of protection
- IP20 (operating status, XNH installed); IP10 (handle cover open, XNH installed); IP2XC (contact protection, XNH installed)
- 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
- 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
Standards & Compliance
- HS Code
- 8538.90
Cross References
- EAN 4015081779765
- SAP 1200562716
- Code 82906007
Product Documentation
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Catalogue entry last verified: 2026-09-30. A manufacturer datasheet is attached to this entry — confirm application-critical values against it.
Frequently asked questions
- Where can I buy XNH1-1-A250?
- XNH1-1-A250 can be ordered from cballast.com as a Eaton catalogue item: request a quotation on this page or email sales@cballast.com, and the order ships worldwide.
- What is the manufacturer part number for this Eaton product?
- The manufacturer part number is XNH1-1-A250.
- What is the HS code for XNH1-1-A250?
- The customs tariff (HS) code for XNH1-1-A250 is 8538.90.
- Who manufactures XNH1-1-A250?
- XNH1-1-A250 is a Eaton product in the Switchgear & Protection range.
- Is a datasheet available for XNH1-1-A250?
- Yes — the XNH1-1-A250 datasheet can be viewed and downloaded on this page.
- What is the minimum order quantity for XNH1-1-A250?
- The minimum order quantity is 1.
- Is XNH1-1-A250 available?
- Yes — XNH1-1-A250 is available to order: fulfilment is from supplier stock in cBallast's European network, dispatched directly from the warehouse to the customer, with the exact lead time stated in the quotation (reply within 24 hours).
