Switch disconnector, low voltage, 1250 A, AC 500 V, NH4a, AC22B, 3P, IEC, plate mounting, each phase simultaneous switchingFuse accessory, Switch disconnector, low voltage, 1250 A, AC 500 V, NH4a, AC22B, 3P, IEC, Horizontal, mounting plate type, single phase switching, M12 screws, NH4a fuse-links, IEC 60947-1, IEC 60947-3, IP20
Switch disconnector, low voltage, 1250 A, AC 500 V, NH4a, AC22B, 3P, IEC, plate mounting, each phase simultaneous switching
Fuse accessory, Switch disconnector, low voltage, 1250 A, AC 500 V, NH4a, AC22B, 3P, IEC, Horizontal, mounting plate type, single phase switching, M12 screws, NH4a fuse-links, IEC 60947-1, IEC 60947-3, IP20
| Product range | Fuse accessory |
| Basic function | Switch disconnector |
| Field of application | low voltage |
| Rated current [I] | 1250 A |
| Rated voltage | AC 500 V |
| Construction size | NH4a |
| Utilization category | AC22B |
| Description | mounting plate type single phase switching M12 screws |
| Protection | IP20 |
| Number of poles | 3P |
| usable for size/applications | NH4a fuse-links |
| Standard/Approval | IEC |
| Shape | Horizontal |
| Standards/Regulations | IEC 60947-1 IEC 60947-3 |
| Version as main switch | No |
| Version as safety switch | No |
| Max. rated operation voltage Ue AC | 690 V |
| Rated permanent current Iu | 1250 A |
| Rated operation power at AC-23, 400 V | 500 kW |
| Conditioned rated short-circuit current Iq | 50 kA |
| Rated short-time withstand current lcw | 50 kA |
| Suitable for fuses | NH4a |
| Number of poles | 3 |
| With error protection | No |
| Type of electrical connection of main circuit | Screw connection |
| Cable entry | Other |
| Equipped with connectors | Yes |
| Suitable for ground mounting | No |
| Suitable for front mounting 4-hole | Yes |
| Suitable for busbar mounting | No |
| Type of control element | Cover grip |
| Position control element | Front side |
| Motor drive optional | No |
| Motor drive integrated | No |
| Version as emergency stop installation | No |
| Degree of protection (IP), front side | IP30 |
As Mnelko, we are a reliable partner in industrial automation solutions, offering high-quality and innovative products with a wide product range to meet all the needs of your business. Our product portfolio consists of solutions designed based on the principles of high performance, durability, and efficiency to support modern industrial processes.
All of our products ensure maximum reliability even in challenging working conditions and help your business operations run smoothly. The products we offer in industrial automation, energy management, cabling solutions, and many other areas adapt flexibly to the needs of different sectors.
Additionally, our products are manufactured using only high-quality materials and comply with international standards. Through the solutions we provide, we enable our customers to increase operational efficiency and optimize costs. Our company closely follows technological advancements and continuously offers innovative products to help our customers gain a competitive advantage.
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