Schneider Electric LR2K0312 TeSys K Differential Thermal Overload Relay 3.7-5.5A Class 10A
Schneider Electric LR2K0312 TeSys K Differential Thermal Overload Relay 3.7-5.5A Class 10A
- MPN: LR2K0312
- PPN: SCH-LR2K0312
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CAD$65.34/ EA
Description
TeSys LRK thermal overload relay, 5.5A/690V, thermal setting range 3.7-5.5A, tripping class 10A, for protection of 3-phase motors 2.2kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test slide switch for simulation of a tripping, reset/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 LC1K06-K16. Mounting on DIN rail, separated from the contactor, with use of a terminal block LA7K0064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC), Green Premium compliant (RoHs/Reach).
Specifications
- Thermal Protection Adjustment Range
- 3.7-5.5 A
- Tripping Class
- Class 10A IEC 60947-4-1
- Auxiliary Contacts
- 1 NO + 1 NC
- Rated Impulse Withstand Voltage
- 6 kV
- Conventional Free Air Thermal Current
- 6 A signalling circuit
- Control Type
- Red push-button trip test, Blue push-button stop/manual reset, Manual/automatic reset selector
- Mounting Type
- DIN rail, under contactor, or plate with accessories
- Dimensions
- 58 mm H x 45 mm W x 65 mm D (2.28 x 1.77 x 2.56 in)
- Tightening Torque
- 1.3 N·m screw clamp terminals
- Standards
- IEC 60947, UL, CSA, VDE 0660, BS 4941, NF C 63-650, CCC, EAC, UKCA
- IP Degree of Protection
- IP2X IEC 60529
- Fire Resistance
- 850 °C (IEC 60695-2-1)
- Mechanical Robustness
- Shocks 10 Gn 11 ms, Vibrations 2 Gn 5-300 Hz (IEC 60068-2-27, IEC 60068-2-6)
Rated Operational Voltage<= 690 V power circuit
Motor Power Rating2.2 kW @ 400 V
Rated Insulation Voltage690 V power circuit (BS 4941, IEC 60947, VDE 0110 group C, CSA C22.2 No 14)
Network Frequency<= 400 Hz
Phase Failure SensitivityYes (IEC 60947-4-1)
Operating Ambient Temperature-20 to 55 °C without derating (IEC 60947)
Connection TypeScrew clamp terminals, 0.34-4 mm² solid or flexible
Weight0.145 kg (0.32 lb)
Operating Altitude2000 m without derating
ComplianceGreen Premium, RoHS, REACH, Mercury Free
Storage Ambient Temperature-40 to 70 °C
Flame RetardanceV1 UL 94, NF F 16-101, NF F 16-102
Country of OriginCzech Republic
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