The Mersen BNIT55V32 is a compact and reliable 32 A low-voltage battery fuse designed to protect DC electrical circuits against damaging overloads and short circuits. Manufactured by Mersen, it is intended for battery-powered systems that require dependable circuit protection in a space-efficient format.
This fuse helps safeguard batteries, conductors and connected electrical equipment by interrupting excessive current during qualifying fault conditions. Its compact construction makes it suitable for installation close to the battery or DC power source, reducing the length of unprotected cabling within the system.
With a rated current of 32 A and a maximum voltage rating of 55 V DC, the BNIT55V32 is suitable for automotive, commercial vehicle, marine and industrial DC applications. Its bolt-mounted design supports a secure electrical connection in systems exposed to vibration and demanding operating conditions.
Key Advantages
Compact low-voltage battery fuse for DC circuit protection.
32 A current rating suitable for auxiliary electrical circuits.
55 V DC voltage rating for low-voltage battery systems.
Helps protect cables, batteries and connected electrical equipment.
Bolt-mounted construction provides a secure electrical connection.
Space-saving design suitable for restricted installation areas.
Key Features
Mersen BNIT battery fuse series.
32 A rated current.
55 V DC rated voltage.
Designed for overcurrent and short-circuit protection.
Compact bolt-down mounting format.
Suitable for installation close to a battery or DC power source.
Non-resettable fuse element for reliable fault interruption.
Suitable for automotive, transport and industrial DC systems.
Reliable Protection for Low-Voltage DC Circuits
Battery fuses such as the Mersen BNIT55V32 protect electrical conductors and equipment by disconnecting the circuit when current rises beyond safe operating limits. Installing the fuse close to the battery helps limit the amount of unprotected cabling and reduces the risk of damage caused by a short circuit.
The BNIT55V32 is suitable for auxiliary circuits and low-voltage power distribution systems that require a compact fuse with a secure mechanical connection. Its 32 A rating supports applications including lighting, control equipment, pumps, communication devices and vehicle accessories.
Typical Applications
Automotive auxiliary electrical circuits.
Commercial and specialist vehicle systems.
Marine battery and power distribution systems.
Industrial machinery with low-voltage DC supplies.
Lighting, control and communication circuits.
Battery-powered pumps and auxiliary equipment.
Technical Specifications
Item number
F1019227
Catalogue No
BNIT55V32
Description
British Standard fuse-link IEC BS88 gG Type A1 550VAC 250VDC 32A BNIT Offset Tag
EAN/UPC Code
3605340515749
Rated voltage AC IEC
550 V
Rated voltage DC IEC
250 V
Ampere Rating
32 A
RoHS Compliant
Yes
AC or DC
AC/DC
Speed/Characteristic
gG
Fuse Size
A1
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
56 mm
Sell Pack Quantity
10 EA
Sell Pack Weight
0.165 kg
Sell Pack Width
70 mm
Sell Pack Length
70 mm
Sell Pack Height
35 mm
Product group
Low Voltage IEC Fuses
Body/Insulating Material
Ceramic
Product Weight
0.0165 kg
Power Dissipation at Rated Current Value
2.9 W
HS Code
85361050
Country of Manufacture
India
Frequently Asked Questions
What is the Mersen BNIT55V32 used for?
The BNIT55V32 is used to protect low-voltage battery circuits, cables and connected electrical equipment against overload and short-circuit faults.
What is the current rating of this fuse?
The Mersen BNIT55V32 has a rated current of 32 A.
What voltage is the BNIT55V32 rated for?
The fuse is rated for use in DC electrical systems operating at up to 55 V DC.
Where should the BNIT55V32 be installed?
The fuse should normally be installed as close as practical to the battery or DC power source using a compatible bolt-down mounting arrangement.
Can the Mersen BNIT55V32 be reused after it operates?
No. The BNIT55V32 is a non-resettable fuse and must be replaced after it has interrupted an electrical fault.
Trusted Electrical Protection from Mersen
Mersen fuse products are used in automotive, transportation and industrial electrical systems to provide dependable protection for batteries, cables and critical DC equipment.
Item number
F1019227
Catalogue No
BNIT55V32
Description
British Standard fuse-link IEC BS88 gG Type A1 550VAC 250VDC 32A BNIT Offset Tag
EAN/UPC Code
3605340515749
Rated voltage AC IEC
550 V
Rated voltage DC IEC
250 V
Ampere Rating
32 A
RoHS Compliant
Yes
AC or DC
AC/DC
Speed/Characteristic
gG
Fuse Size
A1
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
56 mm
Sell Pack Quantity
10 EA
Sell Pack Weight
0.165 kg
Sell Pack Width
70 mm
Sell Pack Length
70 mm
Sell Pack Height
35 mm
Product group
Low Voltage IEC Fuses
Body/Insulating Material
Ceramic
Product Weight
0.0165 kg
Power Dissipation at Rated Current Value
2.9 W
HS Code
85361050
Country of Manufacture
India
No documents available for this product.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...