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MERSEN FUSE 500V 4A TD MIDGET FUSE ATQ4
Compact midget time-delay fuse rated for 500VAC and 0.4A with ferrule terminal and clip mounting, designed for reliable circuit protection in industrial applications.
£6.56
Why Choose the Mersen ATQ4 Time-Delay Fuse?
The Mersen ATQ4 is a high-quality time-delay midget cartridge fuse engineered to provide dependable supplemental overcurrent protection for industrial control circuits and electrical equipment. As part of the trusted Mersen ATQ series, it is specifically designed to withstand temporary inrush currents while providing reliable protection against sustained overloads and short-circuit faults.
Rated at 4 A with a maximum operating voltage of 500 V AC, the ATQ4 is ideal for protecting transformers, solenoids, lighting circuits and other inductive loads commonly found in industrial machinery and control panels. Its time-delay characteristic helps minimise nuisance fuse operation during equipment start-up while maintaining dependable circuit protection.
Manufactured in the standard 10 × 38 mm midget cartridge format, the ATQ4 installs easily into compatible fuse holders and disconnect switches. Its compact design and robust construction make it suitable for a wide range of commercial and industrial electrical applications.
Key Advantages
- Reliable time-delay fuse protection for circuits with temporary inrush currents.
- 4 A current rating for accurate supplemental circuit protection.
- 500 V AC voltage rating suitable for industrial electrical systems.
- Standard 10 × 38 mm midget cartridge design.
- Helps reduce nuisance operation during equipment energisation.
- Suitable for transformers, solenoids, motors and lighting circuits.
Key Features
- Mersen ATQ series time-delay fuse.
- 4 A rated current.
- 500 V AC maximum voltage rating.
- Time-delay operating characteristic.
- Standard 10 × 38 mm ferrule cartridge.
- Interrupting rating up to 10 kA.
- Compatible with standard midget fuse holders.
- Designed for supplemental industrial circuit protection.
Reliable Protection for Industrial Control Circuits
The Mersen ATQ4 is designed to tolerate the temporary inrush currents associated with transformers, solenoids and inductive loads while providing dependable protection against sustained overloads and short-circuit conditions. This makes it particularly suitable for industrial control panels and automation equipment where reliable circuit protection is essential.
Its compact 10 × 38 mm design allows straightforward installation into compatible fuse holders used throughout industrial electrical systems, helping simplify maintenance and replacement.
Typical Applications
- Industrial control panels.
- Control transformers.
- Motor and solenoid circuits.
- Lighting control equipment.
- Industrial machinery.
- Commercial electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 4 A | |
|---|---|---|
| Voltage | 500 V | |
| Fuse Type | UL class | |
| Fuse Class | Time delay | |
| Item number | ATQ4/10 | |
| Description | Fuse ATQ - Midget - Time-Delay 500VAC 0.4A Ferrule Amp-Trap® | |
| EAN/UPC Code | 782001902650 | |
| Rated voltage AC UL | 500 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 0.4 A | |
| AC or DC | AC | |
| Fuse Class | Midget | |
| Speed/Characteristic | Time Delay | |
| Mounting | Clip | |
| AC Max I.R./Breaking Capacity | I1: 10 kA | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | Ferrule | |
| Product Diameter | 10.3 mm | |
| Product Length | 38.1 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.068 kg | |
| Sell Pack Width | 22.4 mm | |
| Sell Pack Length | 41.4 mm | |
| Sell Pack Height | 54.1 mm | |
| Product group | Low Voltage UL/CSA Fuses | |
| Body/Insulating Material | GMG | |
| Product Weight | 0.0064 kg | |
| HS Code | 85361010 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen ATQ4 used for?
The Mersen ATQ4 provides supplemental overcurrent protection for industrial control circuits, transformers, motors, solenoids and lighting equipment.
What is the current rating of the ATQ4?
The ATQ4 has a rated current of 4 A.
What voltage is the fuse rated for?
The fuse has a maximum operating voltage of 500 V AC.
Why is a time-delay fuse used?
The time-delay characteristic allows temporary inrush currents during equipment start-up while still protecting against sustained overloads and fault currents.
What fuse holder does the ATQ4 require?
The fuse is designed for use in compatible 10 × 38 mm midget fuse holders and fuse blocks.
Trusted Industrial Circuit Protection
Mersen ATQ time-delay fuses are trusted by panel builders, electrical engineers and maintenance professionals worldwide to provide reliable supplemental protection for industrial electrical equipment and automation systems.
