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MERSEN FUSE 600V 450A L TD FUSE A4BQ450
MPN: A4BQ450
Special Price
£656.29
£546.91
Regular Price
£1,458.42
Why Choose the Fuse A4BQ - Class L - Time-Delay 600VAC 500VDC 450A Blade TA Indicator Amp-Trap 2000®?
The Fuse A4BQ450 offers robust circuit protection with a high interrupting rating, supporting both 600VAC and 500VDC at 450A. Its time-delay characteristic enables safe handling of temporary overcurrents and motor inrush, reducing unnecessary downtime.
Featuring a convenient TA blade-style indicator, the Amp-Trap 2000® ensures rapid status verification and streamlined maintenance. Engineered for demanding industrial environments, this fuse delivers reliability, longevity, and minimise disruption in critical applications.
Technical Specifications
- Item number: A4BQ450-TA
- Description: Fuse A4BQ - Class L - Time-Delay 600VAC 500VDC 450A Blade TA Indicator Amp-Trap 2000®
- EAN/UPC Code: 782001293956
- Rated voltage AC UL: 600 V
- Rated voltage DC UL: 500 V
- Frequency (Hz): 50/60 Hz
- Ampere Rating: 450 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
- Indication System: Yes
- Indication System Type: TA Indicator
- 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: 1.3336 kg
- Sell Pack Width: 63.5 mm
- Sell Pack Length: 222.2 mm
- Sell Pack Height: 60.5 mm
- Product group: Low Voltage UL/CSA Fuses
- Body/Insulating Material: GMG
- Product Weight: 1.2701 kg
Product Code: A4BQ450-TA
Key Benefits
- High interrupting rating of 200 kA for superior circuit protection.
- Time-delay feature accommodates temporary overcurrents and motor inrush currents.
- TA blade-style indicator for quick and easy fuse status verification.
- Silver-plated copper blade terminals ensure reliable electrical connections.
- Robust GMG insulating body designed for demanding industrial environments.
- Bolted mounting for secure and stable installation.
Compatibility
This fuse is compatible with low voltage UL/CSA fuse holders and switchgear designed for Class L fuses with blade-type terminals. It supports both AC and DC applications up to 600VAC and 500VDC respectively, making it suitable for a wide range of industrial electrical systems.
Applications
- Industrial motor control circuits requiring time-delay protection.
- Power distribution panels in commercial and industrial facilities.
- Protection of transformers and other critical electrical equipment.
- Use in renewable energy systems requiring DC protection.
- General purpose circuit protection in manufacturing plants.
Frequently Asked Questions
What does the TA indicator on the fuse do?
The TA (Trip-Alert) indicator provides a visible signal when the fuse has blown, allowing for quick identification without removing the fuse from its holder.
Can this fuse be used for both AC and DC circuits?
Yes, the Fuse A4BQ450 is rated for both AC (600 V) and DC (500 V) applications, making it versatile for various electrical systems.
What is the significance of the time-delay characteristic?
The time-delay feature allows the fuse to tolerate temporary current surges such as motor start-up currents without blowing unnecessarily, thus preventing downtime.
Is this fuse suitable for high fault current environments?
Yes, with an interrupting rating of 200 kA, this fuse can safely interrupt high fault currents commonly found in industrial settings.
Common Search Terms
A4BQ450 fuse, Class L time-delay fuse, 450A blade fuse, Amp-Trap 2000 fuse, TA indicator fuse, 600VAC fuse, 500VDC fuse, industrial circuit protection fuse, bolted mounting fuse
| Manufacturer Part Number | A4BQ450 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 0782001930691 |
| Height | 219.2mm |
| Width | 50.8mm |
| Depth | 50.8mm |
| HS Code | 85361090 |
| Country of Manufacture | Mexico |
| Manufacturer | Mersen |
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