The Functional Devices RIB TR Series offers a complete line of control transformers for use in building automation and temperature control systems. The series includes transformer VA ratings from 20 VA up through 375 VA and primary voltages of 120, 208, 240, 277, and 480 VAC. Isolation transformers for 24 VAC circuits are also included. All RIB TR Series transformers are UL listed and feature split-bobbin construction. Some also have a secondary circuit breaker.

XFMR, 120/208/240/277/480:24VAC, 50VA, CLASS 2