This transformer is rated for 120 volts household current
This transformer has connections for accessory power
H0 & 1 Gauge
High quality metal and plastic construction
120 Volt Transformer. 32 VA. UL tested. The track voltage can be adjusted between 4 and 16 volts. The accessory voltage is 16 volts. Plastic housing. Dimensions 140 x 120 x 80 cm / 5-1/2" x 4-3/4" x 3-1/8". UL tested. The 32 VA transformers (6647, 6646 and 6645) are only to be used indoors when operating a Marklin 1 Gauge layout.