Schneider Electric LR2K0321 Tesys K - Differential Thermal Overload Relays - 10...14 a - Class 10A

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Schneider Electric LR2K0321 Tesys K - Differential Thermal Overload Relays - 10...14 a - Class 10A

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Schneider Electric LR2K0321 Tesys K - Differential Thermal Overload Relays - 10...14 a - Class 10A

Brand:	SCHNEIDER ELECTRIC
Model:	LR2K0321

Specifications

View other Overload Relays dimensions or variations

Network Type

AC DC

Network Frequency

<= 400 Hz

Standards

IEC 60947 BS 4941 VDE 0660 NF C 63-650

[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

[Uimp] Rated Impulse Withstand Voltage

6 kV

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

[Ith] Conventional Free Air Thermal Current

6 A for signalling circuit

Auxiliary Contact Composition

1 NO + 1 NC

Thermal Protection Adjustment Range

10…14 A

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

Device Short Name

LR2K

Product Or Component Type

Differential thermal overload relay

Range

TeSys

Product Name

TeSys LRK

Mounting Support

Under contactor Plate, with specific accessories Rail, with specific accessories

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

Ip Degree Of Protection

IP2X conforming to IEC 60529

Operating Altitude

2000 m without derating

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

[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

Product Certifications

UL CSA UKCA

Protective Treatment

TC conforming to IEC 60068 TC conforming to DIN 50016

Fire Resistance

850 °C conforming to IEC 60695-2-1

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

Phase Failure Sensitivity

Yes conforming to IEC 60947-4-1

Product Compatibility

LC7K LP4K LC1K LP1K

Relay Application

Motor protection

Power Dissipation Per Pole

2 W

Flame Retardance

V1 conforming to UL 94 Requirement 2 conforming to NF F 16-101 Requirement 2 conforming to NF F 16-102

Thermal Overload Class

Class 10A conforming to IEC 60947-4-1

Product Description

Schneider Electric LR2K0321 Differential Thermal Overload Relay, Tesys K, 10...14A, Class 10A

TeSys LRK thermal overload relay, 14A/690V, thermal setting range 10-14A, tripping class 10A, for protection of 3-phase motors 5.5kW@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 LC1K12-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).

RM 345.00

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