OFAA1AM200 ABB 200 A Motor-Rated aM DIN Fuse Link 690 V

Why Choose the ABB OFAA1AM200 200 A Motor-Rated DIN Fuse Link?

The ABB OFAA1AM200 is a high-performance motor-rated HRC DIN fuse link designed for short-circuit protection in industrial motor circuits. Its full ABB order code is 1SCA022701R2660, and it forms part of the ABB 311002-Fuses And Fusebases product group. The fuse combines a 200 A current rating with the standard NH1 / DIN size 1 format.

The OFAA1AM200 uses an aM utilisation category specifically intended for motor protection applications. Its operating characteristic accommodates the temporary high currents associated with motor starting while providing effective protection against damaging short-circuit currents. As an aM fuse provides partial-range protection, it is normally coordinated with a suitable overload relay or other motor overload protection device.

Rated at 690 V AC, the OFAA1AM200 is suitable for demanding industrial motor-control systems. Its NH1 / DIN size 1 construction allows installation in compatible fuse bases and switch-fuse equipment, while its HRC design provides dependable current-limiting performance during severe electrical faults.

Key Advantages

• Purpose-designed aM motor-rated fuse link for short-circuit protection.
• 200 A rated current for industrial motor circuits.
• 690 V AC rated voltage for demanding low-voltage installations.
• Standard NH1 / DIN size 1 construction.
• aM operating characteristic accommodates normal motor starting currents.
• Current-limiting HRC construction helps reduce fault stress on downstream equipment.
• Suitable for coordinated motor starter and motor-control protection systems.

Key Features

• ABB OFAA1AM200 HRC motor fuse link.
• 200 A rated current.
• 690 V AC rated voltage.
• aM utilisation category for motor circuit protection.
• NH1 / DIN size 1 fuse format.
• 14.2 W power loss at rated current.
• Designed for short-circuit protection of motor circuits.
• Suitable for use with appropriately coordinated overload protection.

Reliable Short-Circuit Protection for Industrial Motors

aM fuse links such as the ABB OFAA1AM200 are designed for motor circuits where starting currents can be considerably higher than normal running current. The aM characteristic allows these temporary starting currents while providing effective interruption of severe short-circuit currents that could otherwise damage cables, contactors and associated motor-control equipment.

Because the OFAA1AM200 is an aM partial-range fuse, it is normally coordinated with an appropriately selected overload relay or other overload protection device. This combination allows the fuse to provide high-level short-circuit protection while the associated protective device responds to sustained motor overload conditions.

Typical Applications

• Industrial motor circuit short-circuit protection.
• Motor control centres and electrical control panels.
• Direct-on-line and other motor starter assemblies.
• Pumps, fans and compressor systems.
• Conveyors and material handling equipment.
• Manufacturing and processing machinery.
• Compatible NH1 / DIN size 1 fuse bases and switch-fuse equipment.