Description

Schneider LR2K0308 | TeSys K – differential thermal overload relays – 1.8…2.6 – class 10A

Technical Specifications

  • Brand: Schneider Electric

  • Series: TeSys K

  • Model: LR2K0308

  • Type: Differential Thermal Overload Relay

  • Adjustable Current Range: 1.8 to 2.6 A

  • Tripping Class: 10A (Fast Motor Protection)

  • Phase Imbalance Detection: Yes

  • Reset Mode: Manual and Automatic Reset

  • Mounting Type: Direct mounting on TeSys K contactors

  • Connection Type: Screw clamp terminals

  • Operating Temperature: -20°C to +60°C

  • Compliance Standards: IEC 60947-4-1, IEC 60947-5-1

Key Features

  • Reliable Motor Protection: Protects against overloads, phase loss, and unbalanced currents.

  • Adjustable Current Settings: Fine-tunes between 1.8 A and 2.6 A for precise protection.

  • Quick Tripping (Class 10A): Ensures rapid response to overload conditions, preventing motor damage.

  • Auto/Manual Reset Options: Provides flexibility in reset operations, improving system reliability.

  • Compact and Space-Saving Design: Directly mounts onto TeSys K contactors for easy installation.

  • Phase Failure Protection: Trips the circuit in case of phase loss, preventing motor overheating.

  • Durable Construction: Designed for industrial environments with high switching durability.

Applications

  • Industrial Motor Protection: Ideal for small three-phase motors in machinery and automation systems.

  • Pumps and Compressors: Ensures safe operation by preventing overheating and overload.

  • HVAC Systems: Protects fans, blowers, and air handling units from excessive loads.

  • Material Handling & Conveyors: Prevents motor failure in automated production lines.

  • Machine Tools: Used in drills, CNC machines, and lathes to prevent damage from excessive loads.

Additional information

brands

Schneider Electric

Specifications

Main
Range TeSys
Product name TeSys LRK
Product or component type Differential thermal overload relay
Device short name LR2K
relay application Motor protection
Product compatibility LP4K LC1K LC7K LP1K
Network type DC AC
Thermal overload class Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment range 1.8…2.6 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
Complementary
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
Environment
Standards BS 4941 VDE 0660 IEC 60947 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
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 7.200 cm
Package 1 Width 4.800 cm
Package 1 Length 8.500 cm
Package 1 Weight 157.000 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 6.800 kg
Unit Type of Package 3 P06
Number of Units in Package 3 656
Package 3 Height 75.000 cm
Package 3 Width 60.000 cm
Package 3 Length 80.000 cm
Package 3 Weight 118.772 kg
Contractual warranty
Warranty 18 months

Main Document

Main Document

Data Sheet : Download

Main Document

Data Sheet : Download

Reviews (0)

Be the first to review “Schneider LR2K0308 | TeSys K – differential thermal overload relays – 1.8…2.6 – class 10A”

Your email address will not be published. Required fields are marked *

Reviews

There are no reviews yet.

Product was successfully added to your cart!

Select at least 2 products
to compare