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MERSEN FUSE L TD FUSE 600V 250A A4BQ A4BQ250
MPN: A4BQ250
Special Price
£656.29
£546.91
Regular Price
£1,458.42
Why Choose the Fuse A4BQ – Class L – Time-Delay 600VAC 500VDC 250A Blade Amp-Trap 2000®?
The A4BQ250 time-delay fuse delivers superior circuit protection for heavy-duty industrial applications, supporting up to 250A at 600VAC or 500VDC. Its advanced dual-blade construction ensures robust performance and reliable interruption of high fault currents, minimising equipment downtime.
Engineered to meet stringent Class L standards, the Amp-Trap 2000® design offers enhanced safety, easy installation, and durable operation in demanding power distribution and motor protection environments. Trust the A4BQ250 for assured protection of critical assets with reduced nuisance tripping.
Product Code: A4BQ250
Key Benefits
- Reliable time-delay operation reduces nuisance tripping during motor starting.
- High breaking capacity of 200 kA ensures safe interruption of fault currents.
- Silver-plated copper blade terminals provide excellent conductivity and corrosion resistance.
- Robust GMG insulating body enhances durability in harsh industrial environments.
- Easy bolted mounting for secure installation and maintenance.
Compatibility
The A4BQ250 fuse is compatible with a wide range of low voltage UL/CSA fuse holders and switchgear designed for Class L fuses. It is suitable for use in industrial power distribution panels, motor control centres, and other equipment requiring high-performance time-delay fuses.
Applications
- Industrial motor protection
- Power distribution systems
- Heavy machinery circuit protection
- Control panels and switchgear
- Renewable energy systems requiring high fault current interruption
Technical Specifications
- Item number: A4BQ250
- Description: Fuse A4BQ - Class L - Time-Delay 600VAC 500VDC 250A Blade Amp-Trap 2000®
- EAN/UPC Code: 782001931100
- Rated voltage AC UL: 600 V
- Rated voltage DC UL: 500 V
- Frequency (Hz): 50/60 Hz
- Ampere Rating: 250 A
- AC or DC: AC/DC
- Fuse Class: Class L
- Speed/Characteristic: Time Delay
- Mounting: Bolted
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Blade
- Product Diameter: 50.8 mm
- Product Length: 219.2 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.1612 kg
- Sell Pack Width: 53.8 mm
- Sell Pack Length: 53.8 mm
- Sell Pack Height: 223.8 mm
- Product group: Low Voltage UL/CSA Fuses
- Body/Insulating Material: GMG
- Product Weight: 1.1068 kg
Frequently Asked Questions
What does Class L mean for this fuse?
Class L fuses are designed for low voltage applications with high interrupting ratings, providing reliable protection for industrial circuits and motors.
Can this fuse be used for both AC and DC applications?
Yes, the A4BQ250 is rated for use with both AC (600 V) and DC (500 V) circuits.
What is the significance of the time-delay characteristic?
The time-delay feature allows temporary overloads, such as motor starting currents, without nuisance tripping, while still protecting against sustained overloads and short circuits.
How do I install the A4BQ250 fuse?
The fuse is designed for bolted mounting with blade terminals, ensuring a secure and reliable connection in compatible fuse holders or switchgear.
Common Search Terms
Class L fuse, time-delay fuse, 250 amp fuse, 600VAC fuse, 500VDC fuse, Amp-Trap 2000 fuse, blade fuse, industrial circuit protection, motor protection fuse, high interrupting capacity fuse
| Manufacturer Part Number | A4BQ250 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 0782001931100 |
| Height | 219.2mm |
| Width | 50.8mm |
| Depth | 50.8mm |
| HS Code | 85361090 |
| Country of Manufacture | Mexico |
| Manufacturer | Mersen |
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