Schneider LR2K0310 | TeSys K – differential thermal overload relays -2.6…3.7 A – class 10A
Schneider LR2K0310 | TeSys K – differential thermal overload relays -2.6…3.7 A – class 10A
Description
Schneider LR2K0310 | TeSys K – differential thermal overload relays -2.6…3.7 A – class 10A
Schneider LR2K0310 | Thermal Overload Relay, TeSys K – 2.6…3.7 A, Class 10A
The Schneider LR2K0310 is a differential thermal overload relay from the TeSys K series, designed to protect three-phase motors against overloads, phase failures, and unbalanced currents. With an adjustable current range of 2.6 to 3.7 A, this relay provides reliable motor protection in compact control panel configurations.
General Information:
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Brand: Schneider Electric
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Series: TeSys K
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Model: LR2K0310
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Product Type: Thermal Overload Relay
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Operating Range: 2.6 to 3.7 Amps
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Trip Class: 10A (standard motor protection response time)
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Reset Type: Manual or automatic
Key Features:
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Differential Protection: Ensures protection against phase loss and unbalanced loads
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Adjustable Current Setting: For fine-tuned motor protection
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Manual/Auto Reset Modes: Offers flexibility in application
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Direct Mounting: Attaches directly to compatible TeSys K contactors
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Auxiliary Contacts: Includes 1 NO + 1 NC for status signaling
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Compact Design: Ideal for space-saving panel installations
Technical Specifications:
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Current Range: 2.6…3.7 A
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Trip Class: 10A (typical response time for motor start protection)
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Mounting: Direct on TeSys K contactors (such as LC1K)
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Control Circuit Voltage: No separate supply required – works passively
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Standards: IEC 60947-4-1, IEC 60947-5-1
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Auxiliary Contacts: 1 Normally Open + 1 Normally Closed
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Reset Method: Manual / Auto switchable
Applications:
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Three-phase motor protection
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HVAC systems
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Pumps, conveyors, and small machinery
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Compact electrical panels
Benefits:
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Prevents costly motor damage due to overload or phase failure
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Easy integration with Schneider TeSys K contactors
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Flexible reset options for different operational needs
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Durable, reliable, and backed by Schneider’s global quality assurance
Additional information
| brands | Schneider Electric |
|---|
Specifications
| Range | TeSys |
|---|---|
| Product name | TeSys LRK |
| Product or component type | Differential thermal overload relay |
| Device short name | LR2K |
| Relay application | Motor protection |
| Product compatibility | LC7K LP1K LP4K LC1K |
| Network type | DC AC |
| Thermal overload class | Class 10A conforming to IEC 60947-4-1 |
| Thermal protection adjustment range | 2.6…3.7 A |
| [Ui] rated insulation voltage | Power circuit: 690 V conforming to BS 4941 Power circuit: 690 V conforming to IEC 60947 Power circuit: 750 V conforming to VDE 0110 group C Power circuit: 600 V conforming to CSA C22.2 No 14 |
| Network frequency | <= 400 Hz |
|---|---|
| Mounting support | Under contactor Plate, with specific accessories Rail, with specific accessories |
| Auxiliary contact composition | 1 NO + 1 NC |
| [Ith] conventional free air thermal current | 6 A for signalling circuit |
| [Ue] rated operational voltage | <= 690 V for power circuit 690 V AC AC-15 for signalling circuit 250 V DC DC-13 for signalling circuit |
| Associated fuse rating | 6 A gG for signalling circuit conforming to VDE 0660 6 A gG for signalling circuit conforming to IEC 60947 |
| [Uimp] rated impulse withstand voltage | 6 kV |
| Power dissipation per pole | 2 W |
| Phase failure sensitivity | Yes conforming to IEC 60947-4-1 |
| Local signalling | Trip indicator (yellow) |
| Control type | Red push-button: trip test function Blue push-button: stop and manual reset selector switch: manual or automatic reset |
| Connections - terminals | Screw clamp terminals 1 cable(s) 1.5…4 mm²solid Screw clamp terminals 2 cable(s) 1.5…4 mm²solid Screw clamp terminals 1 cable(s) 0.75…4 mm²flexible without cable end Screw clamp terminals 2 cable(s) 0.75…4 mm²flexible without cable end Screw clamp terminals 1 cable(s) 0.34…2.5 mm²flexible with cable end Screw clamp terminals 2 cable(s) 0.34…1.5 mm²flexible with cable end |
| Tightening torque | 1.3 N.m - on screw clamp terminals - with screwdriver Philips No 2 1.3 N.m - on screw clamp terminals - with screwdriver flat Ø 6 mm 1.3 N.m - on screw clamp terminals - with screwdriver pozidriv No 2 |
| height | 58 mm |
| Width | 45 mm |
| Depth | 65 mm |
| Net weight | 0.145 kg |
| Standards | IEC 60947 VDE 0660 BS 4941 NF C 63-650 |
|---|---|
| product certifications | UL CSA UKCA |
| Protective treatment | TC conforming to IEC 60068 TC conforming to DIN 50016 |
| IP degree of protection | IP2X conforming to IEC 60529 |
| Ambient air temperature for operation | -20…55 °C without derating conforming to IEC 60947 -30…60 °C with derating conforming to IEC 60947 |
| Ambient air temperature for storage | -40…70 °C |
| Operating altitude | 2000 m without derating |
| Fire resistance | 850 °C conforming to IEC 60695-2-1 |
| Flame retardance | V1 conforming to UL 94 Requirement 2 conforming to NF F 16-101 Requirement 2 conforming to NF F 16-102 |
| Mechanical robustness | Shocks NO contact: 10 Gn for 11 ms conforming to IEC 60068-2-27 Shocks NC contact: 10 Gn for 11 ms conforming to IEC 60068-2-27 Vibrations NO contact: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6 Vibrations NC contact: 2 Gn, 5...300 Hz conforming to IEC 60068-2-6 |
| Unit Type of Package 1 | PCE |
|---|---|
| Number of Units in Package 1 | 1 |
| Package 1 Height | 5.000 cm |
| Package 1 Width | 7.000 cm |
| Package 1 Length | 8.500 cm |
| Package 1 Weight | 158.400 g |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 41 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 6.731 kg |
| Unit Type of Package 3 | P06 |
| Number of Units in Package 3 | 656 |
| Package 3 Height | 75.000 cm |
| Package 3 Width | 80.000 cm |
| Package 3 Length | 60.000 cm |
| Package 3 Weight | 115.702 kg |
| Warranty | 18 months |
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Main Document
Main Document
Data Sheet : Download
Main Document
Data Sheet : Download
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