ABB OS250D12P Switch Fuse, 3-Pole 250A 690VAC, Front Operated DIN NH0/NH1 - Handle and Shaft Included

The ABB OS250D12P is a high-performance 3-pole front-operated switch fuse unit, designed for heavy-duty industrial applications. Engineered for reliability, this unit integrates the function of a switch-disconnector and a fuse-link base, providing robust isolation and protection for electrical circuits. This model is compatible with DIN NH0 and NH1 size fuses and comes complete with a pistol-style handle and an adjustable shaft for immediate installation.

Key Features

• Superior Safety: IP20 degree of protection and a high rated insulation voltage of 1000V ensure operator safety and equipment longevity.
• Variable Mounting: Versatile installation with "Top In - Bottom Out" or "Bottom In - Top Out" terminal positions to suit various cabinet configurations.
• High Breaking Capacity: Capable of withstanding a conditional short-circuit current of up to 100kA at 690V.
• Complete Kit: Includes a professional-grade pistol handle and mounting shaft, reducing procurement complexity.
• Heavy-Duty Performance: Optimized for AC-23A utilization (motor switching) with a rated operational power of up to 250kW at 690V.

Technical Specifications

• Brand: ABB
• Catalog Number: OS250D12P
• Product ID: 1SCA022726R8380
• Number of Poles: 3
• Rated Current (In): 250A
• Rated Operational Voltage: 690VAC
• Compatible Fuse Sizes: NH0, NH1
• Fuse System: DIN standard
• Rated Impulse Withstand Voltage (Uimp): 12 kV
• Terminal Type: 25mm Lug terminals
• Tightening Torque: 30 ... 44 N·m
• Mounting Type: Base mounting
• Standard Compliance: IEC 60947-3
• Dimensions: 208mm (W) x 193mm (H) x 154mm (D)
• Net Weight: 4.1 kg