Schneider Lrd-350 37-50a Thermal Relay

Schneider Thermal Relay Product Features Series: TeSys TeSys Deca Product name: TeSys LRD TeSys Deca Product or component type: Differential thermal overload relay Product group: LRD Relay application: Motor protection Product compatibility: LC1D65A LC1D50A LC1D40A Network type: DC AC Overload tripping class: Class 10A conforming to IEC 60947-4-1 Thermal Protection Setting Range: 37?50 A [Ui] nominal insulation voltage: Power circuit: conforming to 600 VCSA Power circuit: conforming to 600 VUL Power circuit : 690 V conforming to IEC 60947-4-1 Supplementary Features Mains frequency : 0…400 Hz Mounting support : Plate, with special accessories Rail, with special accessories Under the contactor Switching threshold : 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1 Auxiliary contact arrangement: 1 NO + 1 NC [Ith] conventional open-air thermal current: 5 A for signaling circuit Permissible current: 0.95 A at 380 V AC-15 for signaling circuit 0.06 A at 440 V DC-13 for signaling circuit [Ue] nominal operating voltage : 690 V AC 0…400 Hz for power circuit conforming to IEC 60947-4-1 Relevant fuse rating : 4 A gG for signaling circuit 4 A Signaling circuit for BS [Uimp] nominal impulse withstand voltage : 6 kV Phase fault sensitivity : Trip current 130% of Ir in two phases, 0 in the last phase Control type : Red on/off button: stop Blue on/off button: reset Temperature compensation : -20?60 ?C Connections – terminals : Control circuit: screw clamp terminals 2 cables 1?2.5 mm? flexible without cable end Control circuit: screw clamp terminals 2 cables 1?2.5 mm? flexible with control circuit: screw clamp terminals 2 cables 1?2.5 mm? solid without cable end Power circuit: EverLink BTR screw connectors 1 cables 1?35 mm? flexible without cable end Power circuit: EverLink BTR screw connectors 1 cables 1?35 mm? flexible with power circuit: EverLink BTR screw connectors 1 cables 1?35 mm? solid without cable end Tightening torque: Control circuit: 1.7 Nm – above screw clamp terminals Power circuit: 5 Nm – above EverLink BTR screw connectors Height: 70 mm Width: 55 mm Depth: 123 mm Product weight : 0.375 kg Ambient Conditions Preventive maintenance : TH conforming to IEC 60068 IP degree of protection : IP20 conforming to IEC 60529 Ambient air temperature for operation : -20?60 ?C without derating conforming to IEC 60947-4-1 Storage ambient conditions : – 60?70 ?C Flame retardant : V1 conforming to UL 94 Mechanical durability : Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7 Vibrations: 4 gn conforming to IEC 60068-2-6 Dielectric strength : 1.89 kV conforming to 50 Hz IEC 60947-1 Standards: EN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 UL 60947-5-1 CSA C22.2 No 60947-4-1 CSA C22.2 No 60947-5-1 EN 50495 Product certifications: IEC UL CSA CCC EAC DNV-GL RMRS EU-RO MR LROS (Lloyds register of shipping) ATEX INERIS UKCA