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Potting transformers, power transformers, transformer leakage protection device, vacuum sealing, dustproof, waterproof moisture-proof, 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 current: 70 ma AC AC 2 x12v 9 v 30 ma (according to customer requirements can be change) power: 2 w (according to customer requirements can be change) specification: 28 * 18: temperature < 85 ℃ insulation strength: 2000 v, 1 minute without breakdown 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%, 100 pieces start to sell, details can consult customer servicecontact supplier or email to admin@b2bgood.com for purchase help