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2CSM258743R1801 ABB E9F8AM4 E 9F8 AM4 Fuse 4 A 8.5 × 31.5 mm aM
ABB E9F8AM4 is a 4 A, 400 V AC, 8.5 × 31.5 mm aM cylindrical fuse with a 20 kA breaking capacity, designed for short-circuit protection of industrial motor circuits.
£1.68
Why Choose the ABB E9F8AM4 Cylindrical Fuse?
The ABB E9F8AM4 is a compact and reliable 4 A cylindrical aM fuse designed for short-circuit protection of industrial motors and associated switching equipment. As part of the ABB E 9F aM cylindrical fuse series, it features a delayed operating characteristic that makes it particularly suitable for motor circuits subject to high starting currents.
Featuring an aM utilisation category, the E 9F8 AM4 is intended for motor circuit protection where overload protection is coordinated with a separate protective device. Its operating characteristics allow normal motor starting currents to pass while providing dependable interruption of damaging short-circuit currents.
With a rated current of 4 A, a rated voltage of 400 V AC and a 20 kA breaking capacity, the E9F8AM4 provides effective protection in a very compact format. Its standard 8.5 × 31.5 mm cylindrical dimensions enable straightforward installation in compatible ABB fuseholders and fuse disconnectors.
Key Advantages
- Purpose-designed aM cylindrical fuse for motor circuit protection.
- 4 A rated current for appropriately rated motor circuits.
- 400 V AC rated voltage suitable for industrial electrical systems.
- 20 kA breaking capacity for reliable short-circuit protection.
- Delayed operating characteristic accommodates motor starting currents.
- Compact 8.5 × 31.5 mm cylindrical format for space-efficient installations.
Key Features
- ABB E 9F8 aM cylindrical fuse series.
- 4 A rated current.
- 400 V AC rated voltage.
- 20 kA breaking capacity.
- aM utilisation category for motor circuit protection.
- 8.5 × 31.5 mm fuse size.
- Delayed characteristic suited to high motor start-up inrush currents.
- 0.26 W power dissipation at rated current.
- Designed in accordance with IEC 60269-2.
- ABB order code 2CSM258743R1801.
Reliable Short-Circuit Protection for Motor Circuits
aM fuse links are designed for motor circuit applications where high inrush currents occur during start-up. Their delayed operating characteristic allows these temporary starting currents without unnecessary fuse operation while providing protection against dangerous short-circuit currents.
The ABB E 9F8 aM range provides a particularly compact protection solution for industrial motor circuits. When coordinated with appropriate overload protection and compatible fuseholders or fuse disconnectors, the E9F8AM4 can form part of a dependable protection system for motors, machinery and automation equipment.
Typical Applications
- Industrial motor circuits.
- Motor starters and switching equipment.
- Pumps, fans and ventilation equipment.
- Conveyors and material handling machinery.
- Industrial automation and machinery control panels.
- OEM motor-control assemblies and production equipment.
Technical Specifications
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| Fuse Size | 8.5x31.5 mm | |
|---|---|---|
| Device Type | Fuse link | |
| Current | 4 A | |
| Fuse Class | aM | |
| Fuse Type | Cylindrical | |
| Series | E 9F8 aM | |
| Product type | Cylindrical fuse link | |
| ABB order code | 2CSM258743R1801 | |
| EAN | 8012542587439 | |
| Rated current | 4 A | |
| Rated voltage | 400 V AC | |
| Utilisation category | aM | |
| Breaking capacity | 20 kA | |
| Fuse size | 8.5 × 31.5 mm | |
| Dimensions | Ø8.5 × 31.5 mm | |
| Power dissipation at rated current | 0.26 W | |
| Standard | IEC 60269-2 | |
| Weight | approx. 0.004 kg | |
| Package quantity | 10 pieces |
Frequently Asked Questions
What is the ABB E9F8AM4 used for?
The ABB E9F8AM4 is an aM cylindrical fuse designed primarily to provide short-circuit protection for industrial motors and associated motor-control and switching equipment.
What is the current rating of the ABB E9F8AM4?
The E9F8AM4 has a rated current of 4 A.
What voltage is the E9F8AM4 rated for?
The ABB E9F8AM4 has a rated voltage of 400 V AC.
What size is the ABB E9F8AM4 fuse?
The E9F8AM4 is a compact cylindrical fuse measuring 8.5 × 31.5 mm for use with compatible fuseholders and fuse disconnectors.
What does the aM fuse category mean?
The aM utilisation category identifies a fuse intended for motor circuit short-circuit protection. Its delayed characteristic accommodates motor starting currents, with separate overload protection normally coordinated as part of the complete motor protection system.
Trusted Industrial Motor Protection from ABB
ABB E 9F aM cylindrical fuses provide compact and dependable short-circuit protection for industrial motor circuits, combining delayed operating characteristics with high fault-current interruption capability for reliable motor-control installations.
