Littelfuse Transformers

Littelfuse ELCT500 series core balance current transformer (CBCT) for earth leakage relay applications, designed to detect ground fault currents in industrial power distribution systems.

Littelfuse transformers are designed to provide reliable voltage conversion and electrical isolation for industrial control and automation applications. Available as control transformers and isolation transformers, these products are used to step voltage up or down while delivering stable power to control circuits, instrumentation, and sensitive electronic equipment. They are commonly installed in manufacturing facilities, control panels, machine-building applications, and power distribution systems where consistent voltage and equipment protection are required.

Littelfuse control transformers supply the correct secondary voltage for control circuits, relays, timers, PLC inputs, and auxiliary power systems. By converting primary voltage to appropriate secondary levels, these transformers help prevent overvoltage or undervoltage conditions that can shorten equipment life or disrupt system operation. Their use supports dependable control logic performance in industrial enclosures and automation cabinets.

Littelfuse isolation transformers provide electrical separation between primary and secondary circuits to reduce electrical noise, ground loops, and interference. This isolation helps protect sensitive electronics from transients and disturbances commonly present in industrial power systems. Isolation transformers are also used in applications where electrical codes or safety requirements mandate separation between power and measurement or control circuits.

Found 6 items
Normally In Stock
Littelfuse ELCT500-120 - CBCT 120 MM, TYPE A & AC CURRENT
Free U.S Ground shipping
$254.42
$212.02
Normally In Stock
Littelfuse ELCT500-210 - CBCT 210 MM, TYPE A & AC CURRENT
Free U.S Ground shipping
$423.20
$352.67
Normally In Stock
Littelfuse ELCT500-38 - CBCT 38 MM, TYPE A & AC CURRENT
Free U.S Ground shipping
$137.10
$114.25
Normally In Stock
Littelfuse ELCT500-57 - CBCT 57 MM, TYPE A & AC CURRENT
Free U.S Ground shipping
$191.21
$159.34
Normally In Stock
Littelfuse ELCT500-70 - CBCT 70 MM, TYPE A & AC CURRENT
Free U.S Ground shipping
$178.20
$148.50
Normally In Stock
Littelfuse ELCT500-92 - CBCT 92 MM, TYPE A & AC CURRENT
Free U.S Ground shipping
$249.40
$207.83

FAQs

Q: What are Littelfuse transformers used for?
Littelfuse transformers are used to step voltages up or down and provide stable, isolated power for control circuits, relays, instrumentation, and sensitive electronics in industrial and automation systems.

Q: What types of transformers does Littelfuse offer?
Littelfuse offers control transformers and isolation transformers designed for industrial control panels, machine automation, and power distribution applications.

Q: Why are isolation transformers important in control systems?
Isolation transformers electrically separate primary and secondary circuits, helping reduce electrical noise, ground loops, and interference while improving safety and signal quality.

Q: Where are Littelfuse transformers commonly installed?
They are commonly installed in industrial control panels, automation cabinets, OEM machinery, and power distribution systems requiring stable voltage and electrical isolation.

Q: How do Littelfuse transformers improve system reliability?
By providing proper voltage conversion and electrical isolation, Littelfuse transformers help protect equipment from electrical stress, improve signal integrity, and support long-term reliable operation.

Why Buy Littelfuse Transformers from RSP Supply

RSP Supply offers a selection of Littelfuse control and isolation transformers designed for dependable performance in industrial environments. Our products support stable power delivery, electrical isolation, and compliance with control system requirements. Customers rely on RSP Supply for trusted Littelfuse components, technical expertise, and solutions that support reliable and efficient industrial automation systems.