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MERSEN FUSE BTIA55V20M32 A2C BTIA55V20M32
British Standard fuse-link IEC BS88 gG Type A2 550VAC 250VDC 20M32A BTIA Offset Tag designed for robust circuit protection in industrial and commercial applications.
£4.39
Why Choose the Mersen BTIA55V20M32 Motor Circuit Fuse Link?
The Mersen BTIA55V20M32 is an industrial motor circuit fuse link designed to provide dependable short-circuit protection for electric motors, motor starters and associated control equipment. Manufactured by Mersen, it combines effective fault-current limitation with operating characteristics suited to circuits that experience high starting currents.
Unlike a general-purpose fuse, the BTIA55V20M32 is designed to tolerate the temporary current surge produced during normal motor starting. This helps prevent unnecessary fuse operation while ensuring rapid circuit interruption if a severe electrical fault occurs.
With a 20M32 motor fuse rating and a rated operating voltage of up to 550 V AC, the BTIA55V20M32 is suitable for industrial machinery, motor control centres and three-phase motor installations. Its offset-tag construction enables secure installation in compatible BS88 fuse holders, fuse-switch disconnectors and motor control assemblies.
Key Advantages
- Industrial motor circuit fuse link for dependable short-circuit protection.
- 20M32 motor fuse rating suitable for circuits with elevated motor starting currents.
- 550 V AC voltage rating for industrial motor and machinery applications.
- Helps prevent nuisance operation during normal motor acceleration.
- Current-limiting performance helps reduce damaging fault energy.
- Designed for use alongside contactors and motor overload protection devices.
Key Features
- Mersen BTIA motor circuit fuse series.
- 20M32 motor fuse designation.
- 20 A rated current.
- 550 V AC rated voltage.
- Designed primarily for motor circuit short-circuit protection.
- Offset-tag construction for secure mounting.
- Allows normal motor starting and acceleration currents.
- Suitable for motor control centres and industrial machinery.
Reliable Protection for Industrial Motor Circuits
The Mersen BTIA55V20M32 protects motor circuits by rapidly interrupting high short-circuit currents before they can cause serious damage to cables, contactors, switchgear or motor windings. Its current-limiting action helps reduce the thermal and mechanical stresses produced during electrical faults.
The fuse link should normally be coordinated with a correctly selected motor overload relay or electronic motor protection device. The overload device protects against sustained overcurrent conditions, while the BTIA55V20M32 provides fast interruption of severe short-circuit faults.
Typical Applications
- Three-phase industrial motor circuits.
- Motor control centres.
- Direct-on-line and contactor motor starters.
- Industrial pumps, fans and compressors.
- Conveyors and production machinery.
- OEM automation and electrical control panels.
Technical Specifications
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| Fuse Class | gG | |
|---|---|---|
| Voltage | 550 V | |
| Item number | E1019249 | |
| Catalogue No | BTIA55V20M32 | |
| Description | British Standard fuse-link IEC BS88 gG Type A2 550VAC 250VDC 20M32A BTIA Offset Tag | |
| EAN/UPC Code | 3605340515701 | |
| Rated voltage AC IEC | 550 V | |
| Rated voltage DC IEC | 250 V | |
| In M Ich | 20M32 A | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Speed/Characteristic | gG | |
| Fuse Size | A2 | |
| Mounting | Bolted | |
| Clearing I2t At Rated Voltage | 3350 A²s | |
| Melting I2t | 670 A²s | |
| AC Max I.R./Breaking Capacity | I1: 80 kA | |
| Max. Rated Breaking Capacity DC | 40 kA | |
| Connection/Terminal Material | Tin-Plated Copper | |
| Connection/Terminal Type | Offset Tag | |
| Product Diameter | 14.5 mm | |
| Product Length | 86 mm | |
| Sell Pack Quantity | 10 EA | |
| Sell Pack Weight | 0.2 kg | |
| Sell Pack Width | 80 mm | |
| Sell Pack Length | 90 mm | |
| Sell Pack Height | 35 mm | |
| Product group | Low Voltage IEC Fuses | |
| Body/Insulating Material | Ceramic | |
| Product Weight | 0.02 kg | |
| Power Dissipation at Rated Current Value | 1.8 W | |
| HS Code | 85361050 | |
| Country of Manufacture | India |
Frequently Asked Questions
What is the Mersen BTIA55V20M32 used for?
The BTIA55V20M32 is used to provide short-circuit protection for electric motors, motor starters, contactors and associated industrial control equipment.
What does the 20M32 designation mean?
The 20M32 designation identifies a 20 A motor-rated fuse link intended for use in appropriately coordinated motor circuits rated up to approximately 32 A.
What voltage is the BTIA55V20M32 rated for?
The fuse link is rated for operation at up to 550 V AC.
Does this fuse provide motor overload protection?
The BTIA55V20M32 is primarily designed for short-circuit protection. A suitable overload relay or motor protection device should normally be used to protect against sustained overload conditions.
Can the BTIA55V20M32 be reused after operation?
No. The BTIA55V20M32 is a single-use fuse link and must be replaced with a correctly rated equivalent after it has operated.
Trusted for Industrial Motor Protection
Mersen motor circuit fuse links are trusted by electrical engineers, panel builders and maintenance professionals for dependable fault interruption, effective current limitation and reliable protection in demanding industrial motor applications.
