Appleton E100D Control Transformer 100VA 240x480v to 24V

Product Description

The APPLETON E100D is a heavy-duty control transformer rated at 100 VA, designed to step down a 240x480-volt primary supply to a 24-volt secondary output. Control transformers of this type provide stable, isolated low-voltage power to motor starters, contactors, solenoids, and other control circuit devices in industrial and commercial electrical systems. The E100D suits applications where reliable 24-volt control power is required to operate switching and protective devices in line with NEC requirements for control circuits. Licensed electricians and industrial maintenance technicians are the primary installers of this unit.

The E100D is suited for industrial control panels, commercial HVAC equipment, pump stations, conveyor systems, and motor control centers where 240-volt or 480-volt primary power is available and a 24-volt control circuit must be maintained. Its 100 VA capacity supports typical control circuit loads including multiple contactors and relay coils operating simultaneously. This transformer is appropriate for both new panel builds and replacement of failed or undersized control transformers in existing installations.

Key Features

• 100 VA capacity supports standard industrial and commercial control circuit loads
• Dual primary voltage configuration: 240 volts or 480 volts for flexible installation
• 24-volt secondary output compatible with standard low-voltage control devices
• Heavy-duty construction intended for demanding industrial environments
• Compact form factor suitable for mounting inside control panels and enclosures

Compatibility

Designed as an OEM-style replacement or new-installation control transformer for industrial and commercial control panels requiring a 100 VA, 240x480-volt primary to 24-volt secondary step-down transformer.

Installation Notes

Installation should be performed by a licensed electrician in accordance with NEC Article 430 and applicable local codes governing control circuit transformers. De-energize and lock out the primary supply before making any wiring connections. Verify primary tap selection matches the available line voltage before energizing. Ensure the transformer is mounted securely to a panel sub-plate or DIN rail as appropriate to the enclosure design.

Technical Specifications

• Apparent Power Rating: 100 VA
• Primary Voltage: 240x480 volts
• Secondary Voltage: 24 volts
• Weight: 5 pounds

Standard Information

• Brand: APPLETON
• Manufacturer Part Number: E100D