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1SCA022871R2000 ABB Fuse Switch 250A 4 Pole
ABB OS250DS04N2K fuse switch disconnector, a 250 A four pole DIN fuse switching device designed for industrial isolation and protection applications.
£656.08
Why Choose the ABB OS250DS04N2K Fuse Switch?
The ABB OS250DS04N2K is a reliable and durable fuse switch disconnector designed for safe switching, isolation and fuse protection in low-voltage electrical installations. As part of the ABB OS250 fuse switch series, it provides dependable performance for industrial distribution systems, machinery and power control applications.
This side-operated fuse switch features a robust base-mounted construction with a direct mounted handle, allowing secure manual operation and straightforward integration into electrical panels and switchboards. The DIN fuse system design provides reliable protection using NH fuse links for demanding industrial environments.
With a rated current of 250 A, a 4-pole configuration, DIN fuse compatibility and a left-side operating mechanism, the ABB OS250DS04N2K is suitable for industrial power distribution applications requiring dependable isolation and overcurrent protection. :chatgpt-content-reference{index="0"}
Key Advantages
- 250 A fuse switch disconnector for industrial electrical systems.
- 4-pole switching design for comprehensive circuit isolation.
- DIN NH0/NH1 fuse compatibility for flexible protection solutions.
- Side-operated mechanism with left-side operation.
- Direct mounted handle included for convenient manual operation.
- High short-circuit withstand capability for demanding installations.
Key Features
- ABB OS250 fuse switch series.
- 250 A rated current.
- 4-pole configuration.
- DIN fuse system.
- NH0 and NH1 fuse size compatibility.
- Side-operated design.
- 04 left-side operating mechanism.
- Direct mounted handle.
- 690 V AC rated operational voltage.
- 1000 V rated insulation voltage.
- Base mounting construction for industrial switchboards.
Reliable Power Isolation for Industrial Systems
Fuse switches such as the ABB OS250DS04N2K combine manual switching and fuse protection in a single compact device. They allow electrical circuits to be isolated safely while protecting connected equipment against overcurrent conditions.
The ABB OS250 series is designed for industrial switchboards, machinery installations and power distribution systems where reliable operation, long service life and secure isolation are essential.
Typical Applications
- Industrial distribution boards.
- Motor control centres.
- Machinery power isolation systems.
- Electrical switchboards and control cabinets.
- Manufacturing and processing facilities.
- Industrial power protection installations.
Technical Specifications
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| Mounting Type | Base / panel | |
|---|---|---|
| Series | OS250 Fuse Switches | |
| Product type | Fuse switch disconnector | |
| ABB order code | 1SCA022871R2000 | |
| Rated current | 250 A | |
| Number of poles | 4 poles | |
| Fuse system | DIN | |
| Fuse size | NH0 / NH1 | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 12 kV | |
| Rated short-time withstand current | 8 kA for 1 s | |
| Rated conditional short-circuit current | 80 kA at 690 V | |
| Operating mode | Side operated | |
| Operating mechanism | 04 left side | |
| Handle type | Direct mounted handle | |
| Mounting type | Base mounting | |
| Fourth pole position | Right side | |
| Fourth pole type | Switched with solid link | |
| Standards | IEC 60947-3 | |
| Terminal type | Lug terminals | |
| Terminal width | 25 mm | |
| Tightening torque | 30–44 N·m | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 199 × 294 × 154 mm | |
| Weight | approx. 4.8 kg |
Frequently Asked Questions
What is the ABB OS250DS04N2K used for?
The ABB OS250DS04N2K is a fuse switch disconnector used for manual switching, electrical isolation and fuse protection in low-voltage industrial systems.
What current rating does this fuse switch provide?
The OS250DS04N2K has a rated current of 250 A.
How many poles does the ABB OS250DS04N2K have?
This fuse switch features a 4-pole configuration with a side-operated left-side mechanism.
Which fuses are compatible with this model?
The OS250DS04N2K uses the DIN fuse system and supports NH0 and NH1 fuse sizes.
What voltage rating does the fuse switch support?
The ABB OS250DS04N2K supports a rated operational voltage of 690 V AC.
Trusted for Industrial Switching Applications
ABB OS250 fuse switches are widely used in industrial electrical systems to provide reliable circuit isolation, fuse protection and safe manual switching performance.
