BOJACK EI Type Isolation Transformers 24 V AC 40 VA Foot Mount Replacement for Jard 4031F

BOJACK Hight Quality EI Type Isolation Control Transformers boast excellent electrical performance. The transformer has a power rating of 40VA with primary voltage options of 120/208/240V at 50/60Hz. The primary current is open with a maximum of 150mA and a maximum power loss of 5W. The resistance is 60Ω ±20% for the primary and 0.8Ω ±20% for the secondary at Ta=25°C.

The secondary features an open circuit voltage of 27.5VAC±5% and a rated loaded voltage of 24±5%. Temperature rise is limited to ≤65℃, and the transformer is thermally protected with 2A/130℃/250V. The lamellate stack is EI66*22, and the insulation is class B. The mounting configuration consists of 2-foot Mount UL&CE recognized approval.

Dielectric strength tests include AC 2000V for 1.0 seconds between primary and secondary, AC 2000V for 1.0 seconds between primary and core, and AC 1000V for 1.0 seconds between secondary and core. The cutoff current is 5.0mA max without breakdown, and the insulation resistance is DC 500V/1min ≥100 MΩ.

This transformer is widely used in various applications including industry, DIY projects, control circuits, distribution boxes, AC contactors, and air conditioning controls. The primary voltage options are 120/208/240V AC with colors WHT-BLK-RED-ORG, while the secondary voltage is 24V AC with colors RED-GRN. It is a suitable replacement for models such as Gemline GT446, Supco SXT105, UEI UET105, UET115, Grainger 6WU91, Jard 4031F, and many more.

product information: