Marley Engineered Products LTR1277 Electronic Transformer Relay 277V/24V 22 Amp

The Marley Engineered Products LTR1277 is a 277V primary to 24V secondary electronic transformer relay rated for 22 amps, designed for controlling electric heating equipment in commercial and industrial applications. This silent relay provides quiet control of high voltage resistive loads from low voltage control circuits, making it ideal for use in occupied spaces where noise is a concern.

Key Features:

• Compatible with model LT189F01 electronic room sensors for proportional and integral control
• Can be tied to building management systems for centralized HVAC control
• Capable of controlling inductive motor loads in addition to resistive heating loads
• Steel construction for durability and long service life
• 277V primary voltage with 24V secondary output
• 22 amp current rating for reliable operation

This transformer relay is a genuine Marley/Qmark replacement part designed for use with various electric heating systems including unit heaters, baseboard heaters, and fan-forced heating equipment. The integrated transformer and relay design simplifies installation while providing precise, quiet control of heating elements.