/content/hbtbt/ca/en/search-results.html
    Please note that the credit card payment service will be unavailable for scheduled maintenance on Saturday, May 30th, 2026, from 12:00 AM to 6:00 AM EST (4:00 AM to 10:00 AM GMT, 5:00 AM to 11:00 AM CET and 9:30 AM to 3:30 PM IST). Thank you for your patience.

    Transformers

    AC Power Transformer

    AC Power Transformers are provide isolated step-down to 24 VAC with models offering VA ratings of 20, 40, 50, 75, 96, or 150 VA’s.

    Overview

    The Series APT AC Power Transformers provide isolated step-down to 24 VAC with models offering VA ratings of 20, 40, 50, 75, 96, or 150 VA’s. These cost efficient transformers are offered in single or dual 1/2˝ NPT threaded hub mounts with 8-1/2˝ 18 AWG wire leads, to meet the installation requirements of a variety of building automation and control panel applications in HVAC.

    Features & Benefits:
    • Single or dual 1/2˝ NPT
    • Universal supply voltage input
    • With or without integral circuit breaker
    Certifications:
    • UL Class 2 Listed