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Schneider LR2K0312 | Differential thermal overload relays, TeSys K, 3.7 to 5.5 A, class 10A

Schneider LR2K0312 | Differential thermal overload relays, TeSys K, 3.7 to 5.5 A, class 10A

Schneider Electric
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1,875.30 EGP 3,472.80 EGP

Out of stock

Schneider LR2K0312 | Differential thermal overload relays, TeSys K, 3.7 to 5.5 A, class 10A

Schneider LR2K0312 | Thermal Overload Relay, TeSys K – 3.7 to 5.5 A, Class 10A

The Schneider LR2K0312 is a differential thermal overload relay from the TeSys K series. Designed to safeguard motors from overload, phase loss, and phase imbalance, it features a current adjustment range of 3.7 to 5.5 A, making it suitable for small to medium motor applications.

General Information:

  • Brand: Schneider Electric

  • Series: TeSys K

  • Model Number: LR2K0312

  • Product Type: Thermal Overload Relay

  • Current Adjustment Range: 3.7 – 5.5 A

  • Trip Class: 10A (for standard motor protection)

  • Mounting Type: Direct mounting on TeSys K contactors

Key Features:

  • Differential Protection: Offers reliable protection against phase loss and current imbalance

  • Adjustable Settings: Allows precise current matching to motor requirements

  • Reset Options: Manual or automatic reset selectable

  • Auxiliary Contacts: Includes 1 NO + 1 NC for alarm or signaling circuits

  • Compact Footprint: Saves panel space, perfect for OEM and small panels

Technical Specifications:

  • Current Range: 3.7 to 5.5 A

  • Trip Class: 10A (standard response time)

  • Control Circuit Voltage: Not required (thermal-based operation)

  • Auxiliary Contacts: 1 Normally Open + 1 Normally Closed

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

  • Reset Method: Manual / Auto selector

  • Mounting: Direct on LC1K series TeSys contactors

Typical Applications:

  • Motor control centers (MCCs)

  • Pumps and compressors

  • Fans and HVAC equipment

  • Conveyor belts and small machinery

Benefits:

  • Ensures full motor protection against overload and phase faults

  • Easy integration into existing Schneider TeSys K systems

  • Versatile reset modes for different application needs

  • Proven Schneider quality and reliability

SKU: LR2K0312 Category: Brand:
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 LC7K
LP1K
LP4K
LC1K
Network type DC
AC
Thermal overload class Class 10A IEC 60947-4-1
Thermal protection adjustment range 3.7…5.5 A
[Ui] rated insulation voltage Power circuit 690 V BS 4941
Power circuit 690 V IEC 60947
Power circuit 750 V VDE 0110 group C
Power circuit 600 V 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 signalling circuit
[Ue] rated operational voltage <= 690 V power circuit
690 V AC AC-15 signalling circuit
250 V DC DC-13 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 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 0.00…0.01 in² (1.5…4 mm²)solid
screw clamp terminals 2 0.00…0.01 in² (1.5…4 mm²)solid
screw clamp terminals 1 0.00…0.01 in² (0.75…4 mm²)flexible without cable end
screw clamp terminals 2 0.00…0.01 in² (0.75…4 mm²)flexible without cable end
screw clamp terminals 1 0.00…0.00 in² (0.34…2.5 mm²)flexible with cable end
screw clamp terminals 2 0.00…0.00 in² (0.34…1.5 mm²)flexible with cable end
Tightening torque 11.51 lbf.in (1.3 N.m) screw clamp terminals Philips No 2
11.51 lbf.in (1.3 N.m) screw clamp terminals flat Ø 6 mm
11.51 lbf.in (1.3 N.m) screw clamp terminals pozidriv No 2
Height 2.28 in (58 mm)
Width 1.77 in (45 mm)
Depth 2.56 in (65 mm)
Net Weight 0.32 lb(US) (0.145 kg)
Environment
Standards IEC 60947
VDE 0660
BS 4941
NF C 63-650
Product Certifications UL
CSA
UKCA
Protective treatment TC IEC 60068
TC DIN 50016
IP degree of protection IP2X conforming to IEC 60529
Ambient air temperature for operation -4…131 °F (-20…55 °C) without derating IEC 60947
-22…140 °F (-30…60 °C) with derating IEC 60947
Ambient Air Temperature for Storage -40…158 °F (-40…70 °C)
Operating altitude 6561.68 ft (2000 m) without derating
Fire resistance 1562 °F (850 °C) 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 contact10 Gn for 11 ms IEC 60068-2-27
Shocks NC contact10 Gn for 11 ms IEC 60068-2-27
Vibrations NO contact2 Gn, 5…300 Hz IEC 60068-2-6
Vibrations NC contact2 Gn, 5…300 Hz IEC 60068-2-6
Ordering and shipping details
Category US10I1222324
Discount Schedule 0I12
GTIN 3389110230567
Returnability Yes
Country of origin CZ
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 1.97 in (5.000 cm)
Package 1 Width 2.76 in (7.000 cm)
Package 1 Length 3.15 in (8.000 cm)
Package 1 Weight 5.64 oz (160.000 g)
Unit Type of Package 2 S02
Number of Units in Package 2 41
Package 2 Height 5.91 in (15.000 cm)
Package 2 Width 11.81 in (30.000 cm)
Package 2 Length 15.75 in (40.000 cm)
Package 2 Weight 15.00 lb(US) (6.805 kg)
Unit Type of Package 3 P06
Number of Units in Package 3 656
Package 3 Height 29.53 in (75.000 cm)
Package 3 Width 31.50 in (80.000 cm)
Package 3 Length 23.62 in (60.000 cm)
Package 3 Weight 257.68 lb(US) (116.882 kg)
Contractual warranty
Warranty 18 months

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