Refrigerants: R717 (NH3), R22, etc. Operating ranges for RT 280A: R22 / R717 (NH3): –50 - 0°C. Operating ranges for RT 281A: R22 / R717 (NH3): –30 - +20°C. Ambient temperature: –50 - +70°C. Approvals: CE-approved according to EN 60947-4, -1, EN 60947-5, -1, meet the requirements of VDE 0660. Contact load, AC: AC1: 10 A, 400 V. AC3: 4 A, 400 V. AC15: 3 A, 400 V. Max. short-time AC 3 current: 28 A. Contact load, DC: DC13: 12 W, 220 V. Enclosure: IP 66 to IEC 529. Pressure connection: G 3/8 A with ø6.5 / ø10 mm weld nipple.
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