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2CSM256253R1801 ABB E9F14AM50 E 9F14 AM50 Fuse 50 A 14 × 51 mm aM
ABB E9F14AM50 E 9F14 AM50 is a 50 A 14 × 51 mm aM cylindrical fuse link rated at 500 V AC with 120 kA breaking capacity for motor circuit short-circuit protection.
£3.47
Why Choose the ABB E9F14AM50 E 9F14 AM50 Fuse?
The ABB E9F14AM50, type code E 9F14 AM50, is a high-performance cylindrical aM fuse link designed specifically for motor circuit protection in industrial and commercial electrical installations. As part of the ABB E 9F cylindrical fuse range, it provides dependable short-circuit protection for motor circuits when used with suitable overload protection.
Rated at 50 A, the E 9F14 AM50 uses the standard 14 × 51 mm cylindrical format for straightforward installation in compatible fuseholders and fuse-switch disconnectors. Its aM utilisation category is intended for motor applications, allowing normal motor starting currents while providing high breaking-capacity protection against short-circuit faults.
With a rated voltage of 500 V AC and a breaking capacity of 120 kA, this fuse is suitable for demanding industrial motor circuits where reliable fault interruption is essential. Its compact cylindrical construction makes it particularly suitable for use with ABB E 90 series fuseholders and compatible 14 × 51 mm fuse equipment.
Key Advantages
- Purpose-designed aM cylindrical fuse for motor protection.
- 50 A rated current for industrial motor circuits.
- 500 V AC rated voltage for low-voltage electrical systems.
- High 120 kA breaking capacity for dependable short-circuit protection.
- Standard 14 × 51 mm cylindrical format for compatible fuseholders.
- aM characteristic accommodates motor starting currents while providing short-circuit protection.
Key Features
- ABB E 9F cylindrical fuse range.
- 50 A rated current.
- 500 V AC rated voltage.
- 120 kA breaking capacity.
- aM utilisation category for motor circuit protection.
- 14 × 51 mm fuse size.
- Designed for use with compatible cylindrical fuseholders and fuse-switch disconnectors.
- Compact fuse-link construction for industrial electrical protection systems.
Reliable Short-Circuit Protection for Motor Circuits
aM fuse links are specifically designed for motor circuits, where high inrush currents occur during motor starting. Their operating characteristics allow these temporary starting currents while providing rapid interruption of high fault currents, making them suitable for coordination with separate motor overload protection devices.
The ABB E 9F14 AM50 combines a compact cylindrical format with a high breaking capacity for dependable protection in industrial installations. When correctly coordinated with a contactor, overload relay or motor protection device, it provides effective short-circuit protection for motors and associated switching equipment.
Typical Applications
- Industrial motor circuits.
- Motor starters and control panels.
- Pumps, fans and ventilation equipment.
- Conveyors and material handling systems.
- Manufacturing and processing machinery.
- Industrial automation equipment.
- Motor control centres and distribution panels.
- Compatible 14 × 51 mm cylindrical fuseholders and fuse-switch disconnectors.
Technical Specifications
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| Current | 50 A | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | Cylindrical | |
| Fuse Size | 14x51 mm | |
| Fuse Class | aM | |
| Series | E 9F | |
| ABB order code | 2CSM256253R1801 | |
| Product group | Protection & Control | |
| Product type | Cylindrical fuse link | |
| Utilisation category | aM | |
| Application | Motor circuit protection | |
| Rated current | 50 A | |
| Rated voltage | 500 V AC | |
| Breaking capacity | 120 kA | |
| Fuse size | 14 × 51 mm | |
| Power loss at rated current | 2.95 W | |
| Weight | approx. 0.018 kg | |
| Standard | IEC 60269-2 |
Frequently Asked Questions
What is the ABB E9F14AM50 E 9F14 AM50 used for?
It is an aM cylindrical fuse link designed primarily to provide short-circuit protection for electric motor circuits in industrial and commercial electrical installations.
What is the current rating of the ABB E 9F14 AM50?
The fuse has a rated current of 50 A.
What size is the ABB E 9F14 AM50 fuse?
The E 9F14 AM50 uses the standard 14 × 51 mm cylindrical fuse format.
What does the aM fuse classification mean?
The aM utilisation category is intended for motor circuits and provides short-circuit protection while accommodating the high temporary currents associated with motor starting; separate overload protection is normally required.
What is the breaking capacity of the ABB E 9F14 AM50?
The fuse has a high breaking capacity of 120 kA, enabling it to safely interrupt high prospective short-circuit currents when correctly applied.
Trusted ABB Protection & Control Technology
ABB E 9F cylindrical fuse links provide reliable high breaking-capacity protection for electrical installations, with aM variants engineered specifically for effective short-circuit protection of industrial motor circuits.
