Pin transformers, power transformers, transformer leakage protection device, pure copper wire sufficient power, complete specifications can be customized input rated voltage: single-phase 220 vac / 110 V / 230 V / 380 V (according to customer requirements can be change) : working frequency 50 hz / 60 hz output voltage: 2 x 13.5 V output current (according to customer requirements can be change) : 47 ma (according to customer requirements can be change) power: 1.3 W (according to customer requirements can be change) specification: 28 * 15: temperature < 85 ℃ insulation strength: 2000 V, 1 minute without breakdown of insulation resistance: Winding insulation resistance to ground of single-phase acuity 2.2 M Ω conditions of use: 1. Ambient temperature: -15℃ ~ +40℃ 2. Relative humidity: ≤85%