Why Choose the ABB E9F10AM4 Cylindrical Fuse?
The ABB E9F10AM4 is a high-performance aM cylindrical fuse link designed specifically for short-circuit protection of motor circuits. As part of the ABB E 9F fuse range, it provides dependable protection for industrial motors and other loads with high starting currents when used with suitable overload protection.
This fuse features an aM operating class with delayed characteristics suited to motor circuits where high inrush currents occur during starting. Its ceramic construction and standard cylindrical format make it suitable for compatible fuse holders and fuse switch disconnectors in industrial electrical installations.
With a rated current of 4 A, a rated voltage of 500 V AC and a compact 10.3 × 38 mm format, the E9F10AM4 provides reliable short-circuit protection for motor applications while accommodating normal motor starting currents.
Key Advantages
- Purpose-designed aM fuse for motor circuit protection.
- 4 A rated current for suitable motor and industrial circuits.
- 500 V AC rated voltage for low-voltage applications.
- High 120 kA maximum breaking capacity.
- Delayed operating characteristics accommodate high motor starting currents.
- Standard 10.3 × 38 mm cylindrical format for compatible fusegear.
Key Features
- ABB E 9F aM cylindrical fuse range.
- 4 A rated current.
- 500 V AC rated voltage.
- aM fuse type for short-circuit protection of motor circuits.
- 120 kA maximum breaking capacity.
- 0.28 W power loss at rated operating conditions per pole.
- Ceramic construction.
- Manufactured to IEC 60269-2.
Reliable Short-Circuit Protection for Motor Circuits
Motor circuits can draw substantial inrush currents during starting, requiring protective devices that tolerate normal starting conditions while still providing effective protection against severe fault currents. The ABB E9F10AM4 uses an aM characteristic designed specifically for this type of application.
As an aM fuse, the E9F10AM4 is intended primarily for short-circuit protection and is typically coordinated with a separate overload protection device for complete motor protection. Its high breaking capacity and compact cylindrical construction make it well suited to industrial motor control and automation installations.
Typical Applications
- Industrial motor circuits.
- Motor control panels and motor starters.
- Machinery with high motor starting currents.
- Industrial automation equipment.
- Electrical control and distribution panels.
- Compatible cylindrical fuse holders and fuse switch disconnectors.
