1SCA022701R1850 ABB 100A aM NH00 DIN Motor Fuse Link

Why Choose the ABB OFAA00AM100 100A aM Motor Fuse?

The ABB OFAA00AM100 is a 100 A DIN-type HRC fuse link designed for short-circuit protection in industrial motor circuits. With an aM utilisation category and NH size 00 construction, it is intended for motor applications where high fault-current protection must be coordinated with a separate overload protection device.

The aM characteristic is specifically intended for motor circuits, allowing correctly selected protection to accommodate the elevated current associated with motor starting while providing protection against short-circuit faults. Sustained motor overload protection is provided separately by a suitable overload relay or equivalent protective device.

This exact ABB OFAA00AM100, identified by ABB order code 1SCA022701R1850, has a rated current of 100 A and uses the NH size 00 DIN fuse format. It forms part of ABB's fuse and fusebase range for industrial electrical protection applications.

Key Advantages

• 100 A aM motor fuse designed for short-circuit protection of motor circuits.
• NH size 00 format for compatible DIN-type fusegear.
• aM characteristic accommodates the operating requirements of motor starter circuits.
• High-rupturing-capacity construction for dependable fault-current interruption.
• Designed for coordination with separate motor overload protection.
• Suitable for industrial motor-control and machinery applications.

Key Features

• ABB OFAA00AM100 HRC fuse link.
• 100 A rated current.
• aM utilisation category.
• NH / DIN size 00.
• DIN-type fuse-link construction.
• Designed primarily for motor circuit short-circuit protection.
• Suitable for use with correctly selected overload protection.
• Compatible with appropriate NH size 00 fuse bases and fuse-switch equipment.
• Industrial high-rupturing-capacity fuse design.
• ABB order code 1SCA022701R1850.

High-Capacity Short-Circuit Protection for Motor Circuits

Industrial motors can draw substantially more than their normal running current during acceleration and starting. The aM fuse characteristic is designed around this operating behaviour, providing partial-range protection against short-circuit currents while allowing the motor circuit to be coordinated for normal starting conditions.

For complete motor protection, the ABB OFAA00AM100 should be used with an appropriately selected overload relay or equivalent overload protective device. This coordinated arrangement allows the fuse link to interrupt high fault currents while the overload device protects the motor against sustained overcurrent conditions.

Typical Applications

• Industrial motor starter circuits.
• Three-phase motor protection systems.
• Motor control centres.
• Pumps, fans and conveyor systems.
• Industrial machinery and production equipment.
• Compatible NH size 00 fuse bases and fuse-switch assemblies.