Schneider Electric LRD3357 Tesys Lrd Thermal Overload Relays - 37...50 a - Class 10A - Eezee

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Schneider Electric LRD3357 Tesys Lrd Thermal Overload Relays - 37...50 a - Class 10A

Schneider Electric LRD3357 Tesys Lrd Thermal Overload Relays - 37...50 a - Class 10A

Brand:	SCHNEIDER ELECTRIC
Model:	LRD3357

Technical Data Sheets

Product Description

Schneider Electric LRD3357 Tesys Lrd Thermal Overload Relays - 37...50 a - Class 10A

TeSys LRD thermal overload relay, 50A/1000V, thermal setting range 37-50A, tripping class 10A, for protection of 3-phase motors 22kW@400V. Differential device with phase failure (loss). It provides a thermal adjustement dial, a manual-automatic reset selector acting also as reset button, a trip test button for simulation of a tripping, a stop button, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling.

Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D80-D95. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LA7D3064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).

US $ 159.17

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Overload Relays

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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 GB/T 14048.4 GB/T 14048.5, IEC 60255-17 IEC 60947-4-1 IEC 60255-8 VDE 0660 EN 60947-4-1, 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 GB/T 14048.4 GB/T 14048.5 EN 50495, 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, EN/IEC 60947-4-1 EN/IEC 60947-5-1 GB/T 14048.4 GB/T 14048.5 EN 50495

[Ui] Rated Insulation Voltage

Power circuit: 600 V AC conforming to CSA Power circuit: 600 V AC conforming to UL Power circuit: 690 V AC conforming to IEC 60947-4-1, Power circuit: 1000 V AC conforming to IEC 60947-4, Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to IEC 60947-4-1, Power circuit: 1000 V conforming to IEC 60947-4-1 Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL, Power circuit: 1000 V conforming to IEC 60947-4-1

Ambient Air Temperature For Operation

-20…55 °C without derating conforming to IEC 60947 -30…60 °C with derating conforming to IEC 60947, -20…55 °C conforming to IEC 60255-8, -20…60 °C without derating conforming to IEC 60947-4-1, -25 → +60 °C, -20 → +60 °C

[Ith] Conventional Free Air Thermal Current

6 A for signalling circuit, 3 A for signalling circuit, 5 A for signalling circuit, 3 A for control circuit, 5 A for control circuit

Thermal Protection Adjustment Range

80…104 A, 30…40 A, 30…38 A, 48…65 A, 110…140 A

[Us] Rated Supply Voltage

100...120 V AC, 200...240 V AC, 24 V DC, 24 V ac/dc, 690 V ac