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MERSEN FUSE 500V 14A TD MIDGET FUSE ATQ14
The Fuse ATQ14 provides reliable time-delay protection for circuits up to 500VAC and 14A, designed for industrial environments with a midget size and ferrule design.
£7.48
Why Choose the Mersen ATQ14 Time-Delay Fuse?
The Mersen ATQ14 is a high-quality 14 A time-delay midget fuse engineered to provide dependable supplementary overcurrent protection for industrial electrical equipment. Part of the trusted Mersen Amp-Trap® ATQ series, it is specifically designed to protect lighting circuits, transformers, solenoids, motors and industrial control systems where temporary inrush currents are expected.
Its time-delay characteristic allows the fuse to withstand normal start-up surges without nuisance operation, while still providing effective protection against sustained overloads and short-circuit faults. This helps maximise equipment uptime while safeguarding valuable electrical components.
Rated at 14 A and 500 V AC, the ATQ14 features the industry-standard 10 × 38 mm midget fuse format, making it suitable for installation in compatible industrial fuse holders and electrical control panels.
Key Advantages
- Reliable time-delay fuse for industrial electrical protection.
- 14 A current rating for supplementary circuit protection.
- 500 V AC voltage rating for industrial control systems.
- Reduces nuisance operation caused by temporary inrush currents.
- Compact 10 × 38 mm midget fuse design.
- Compatible with a wide range of industrial fuse holders, including UltraSafe™ models.
Key Features
- Mersen Amp-Trap® ATQ series.
- 14 A rated current.
- 500 V AC rated voltage.
- Time-delay characteristic (approximately 12 seconds at 200% rated current).
- 10 × 38 mm midget fuse format.
- Ferrule terminals with cylindrical construction.
- Suitable for supplementary protection of industrial circuits.
- Designed for use where fault current does not exceed 10 kA.
Reliable Protection for Industrial Control Circuits
The Mersen ATQ14 is designed to protect sensitive industrial electrical equipment while allowing harmless inrush currents associated with transformers, motors and solenoids. Its time-delay performance helps minimise unnecessary downtime while maintaining dependable protection against prolonged overloads and fault conditions.
Its compact midget design enables easy installation in control panels, machinery and automation equipment, making it an excellent choice for engineers, panel builders and maintenance professionals requiring reliable supplementary circuit protection.
Typical Applications
- Industrial control panels.
- Lighting control circuits.
- Control transformers.
- Solenoids and relays.
- Motor control equipment.
- OEM machinery and automation systems.
Technical Specifications
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| Current | 14 A | |
|---|---|---|
| Voltage | 500 V | |
| Fuse Type | UL class | |
| Fuse Class | Time delay | |
| Item number | ATQ14 | |
| Description | Fuse ATQ - Midget - Time-Delay 500VAC 14A Ferrule Amp-Trap® | |
| EAN/UPC Code | 782001307844 | |
| Rated voltage AC UL | 500 V | |
| Frequency (Hz) | 50/60 Hz | |
| Ampere Rating | 14 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 | 85361050 | |
| Country of Manufacture | Mexico |
Frequently Asked Questions
What is the Mersen ATQ14 used for?
The ATQ14 provides supplementary overcurrent protection for industrial lighting, transformer, motor and control circuits.
What is the current rating of the ATQ14?
The Mersen ATQ14 has a rated current of 14 A.
What voltage is the ATQ14 rated for?
The fuse is rated for operation on electrical systems up to 500 V AC.
Is the ATQ14 a time-delay fuse?
Yes. Its time-delay characteristic allows it to withstand temporary inrush currents while protecting against sustained overloads.
Can the ATQ14 be used for branch circuit protection?
No. The ATQ14 is designed for supplementary circuit protection and is not intended for branch circuit protection.
Trusted by Electrical Professionals
Mersen Amp-Trap® ATQ fuses are trusted worldwide by electrical engineers and panel builders for dependable supplementary protection of industrial control equipment and electrical systems.
