CNC Electronic Relay 3p Thermal Overload Relay Thermal Relay

  Product Description  General JR28 series thermal overload relay are suitable for overload and phase-failure protection of AC motors with frequency of 50/60Hz, voltage up to 690V, current up to 0.1-630A under 8-hours duty or uninterrupted duty. Functions provided by these relays, are phase-failure protection, ON/OFF indication, temperature compensation, and manual/automatic reset. International Standard: IEC 60947-4-1 The relays can be mounted onto contactors or installed as single units.Protection Characteristics ItemNO.Times thesetting currentRelease timeTest condition   Overloadprotection11.05>2hStart from Cold status21.2