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Legrand 4-121 Series Current Transformer 4000A, Single-phase, 5A Secondary, DIN Rail/Busbar Mount 4 121 54

Category Current Transformer Brand Legrand Condition New

Specifications

Country of Origin Italy
Brand Legrand
Model 4 121 54
Gross Weight 180g
Mount Type DIN Rail, Busbar
Series 4-121
Maximum Operating Temperature 50°C
Minimum Operating Temperature -25°C
Secondary current 5A
Standards/Approvals RoHS, EN 60044-1, REACH, EN 60529
Primary Current 4000A
Minimum Operating Frequency 47Hz
Maximum Operating Frequency 63Hz
Legrand 4-121 Series Current TransformerBrand Legrand

Key Features

  • Closed-type configuration for safe and reliable operation.
  • Suitable for mounting on cables and copper or aluminium busbars.
  • Operates within a temperature range of -25°C to 50°C.
  • Complies with RoHS, EN 60044-1, REACH, and EN 60529 standards.
  • Provides IP20 case protection for industrial environments.
  • Designed to operate at frequencies between 47Hz and 63Hz.
  • Lightweight at 180 grams for easy installation.
  • Manufactured in Italy ensuring quality and compliance.

Product Description

Legrand 4 121 54 is a closed-type single-phase current transformer specifically engineered for industrial electrical measurements with a primary current rating of 4000A and a secondary rated current of 5A. It features a reliable design allowing mounting on cables as well as copper or aluminium busbars, making it versatile for various electrical setups.

This transformer operates safely within an ambient temperature range from -25°C to 50°C and at frequencies ranging from 47Hz to 63Hz. The unit complies with multiple international standards including RoHS, EN 60044-1, REACH, and EN 60529, offering assurance of quality, environmental friendliness, and durability.

The IP20 rated casing protects the transformer against ingress of solid foreign objects, making it suitable for indoor industrial or commercial use. Weighing only 180g, it is easy to handle and install on DIN rail or busbar systems. The product is made in Italy, reflecting high manufacturing standards and performance reliability.

Current transformers like this model are essential for connection with ammeters, electricity meters, or measurement control units, converting high primary currents into lower, manageable secondary currents for safeguard monitoring and metering.

Closed-type configuration for safety and accuracy. DIN rail and busbar mount compatible for flexible installation. Compliant with key electrical and environmental standards. Lightweight design optimizes ease of handling.

Robust IP20 case protection suitable for industrial environments. Wide operating temperature and frequency range ensures adaptability. Manufactured in Italy ensuring quality and compliance.

This Legrand current transformer is highly suited for industrial, commercial, and electrical distribution automation applications requiring precise and reliable current measurement and monitoring.

Browse more products in Current Transformers by Legrand on EnvMart for quality and performance in electrical control gear solutions.

Legrand 4-121 Series Current Transformer 4000A, Single-phase, 5A Secondary, DIN Rail/Busbar Mount 4 121 54
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Frequently Asked Questions

The primary current rating of this model is 4000A.

It has a secondary rated current of 5A.

This transformer operates safely within a temperature range of -25°C to 50°C.

It is designed for mounting on DIN rail or busbars, making it versatile for various electrical setups.

This model weighs 180 grams, facilitating easy installation.

It complies with RoHS, EN 60044-1, REACH, and EN 60529 standards.

It operates at frequencies between 47Hz and 63Hz.

It features a closed-type configuration for safe and reliable operation.

The IP20 rated casing is designed for indoor use, protecting against solid foreign objects.

It is manufactured in Italy, ensuring quality and compliance with standards.

It is suited for industrial, commercial, and electrical distribution automation applications requiring precise current measurement and monitoring.

It has an IP20 case protection rating, suitable for industrial environments.

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