Features Used in chimes, door bells, security systems, decorative lighting, furnaces, humidifiers, appliances, vending machines, intercom system type applications. Rugged, low noise, cool running design, indoor use only. Stripped wire input (primary) leads, screw terminal/quick fit tab terminal output (secondary). Nipple locknut mount for box installation, complete with locknut and mounting bracket (as shown below). Input leads are black, on 240V models 240V lead is red. All models are 60 Hz.- inherently limited - no fuses or circuit breakers. UL listed #E184371 - EXCEPT for part numbers BE2F & BE7G. CSA certified (209651) Chassis Mount Transformer Type: Class 2 Energy Limiting Power Rating: 40VA Secondary Voltages: 24V Primary Voltages: 120V Current Rating: 1.67A Frequency Range: 60Hz Winding Type: Single Primary, Single Secondary Transformer Terminals: Wire Leaded Product Range: BA-C-D-E Series