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Schneider Electric TeSyS LR Thermal Overload Relay 1NO + 1NC, 2.6 → 3.7 A F.L.C, 3.7 A Contact Rating, 100 W,

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MYR219.34

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RS Stock No.:
758-967
Distrelec Article No.:
301-12-064
Mfr. Part No.:
LR2K0310
Manufacturer:
Schneider Electric
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Brand

Schneider Electric

FLC Motor Rating

2.6 → 3.7 A

Contact Current Rating

3.7 A

Range

TeSys

Pole Configuration

3P

Series

TeSyS LR

Mounting Style

Direct Contactor

Power Rating

100 W

Normal State Configuration

NO/NC

Terminal Type

Screw

Reset Method

Automatic, Manual

Number Of Auxiliary Contacts

2

Width

45mm

Length

116mm

Depth

65mm

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

+55°C

Better World Verification

Green Premium

Operating Temperature Range

-20 → +55 °C

Better World Product

Yes

Control Voltage

250 V dc, 690 V ac

Contact Voltage Rating

690 V ac

RoHS Status: Exempt

COO (Country of Origin):
CZ

Schneider Electric LR2K Series Thermal Overload Relay, 2.6 to 3.7A FLC Motor Rating, 3.7A Contact Current Rating - LR2K0310


This thermal overload relay ensures effective motor protection, contributing to the longevity and reliability of various applications. Its role in electrical systems helps prevent overheating and potential motor damage, making it a vital component for automation and industrial settings.

Features & Benefits


• Offers automatic or manual reset options for user convenience
• Supports a wide control voltage range of up to 690V AC
• Easy installation with screw clamp terminal connections
• Complies with thermal overload class 10A for dependable performance
• Enhances operational safety with phase failure sensitivity
• Includes a trip indicator for clear local signalling

Applications


• Utilised in motor control systems to guard against overheating
• Compatible with a range of contactors, broadening its use in automation
• Suitable for AC and DC network applications in industrial environments
• Employed in applications requiring robust mechanical durability

How to install this in an existing circuit?


Refer to the wiring diagram in the manual for proper connections to the screw clamp terminals and observe all safety measures during installation.

Is this suitable for use with different types of motors?


Yes, it is compatible with various motors within the specified current rating and can be applied in diverse industrial applications.

What should be tof the relay trips frequently?


Investigate potential overload situations or short circuits in the motor circuit that may cause the relay to trip. Ensure that the thermal adjustment range is accurately set.

Can it be operated in extreme temperatures?


It functions efficiently within a temperature range of -20 to +55°C. Operation outside this range may require derating for optimal performance.

What maintenance is required to ensure reliable function?


Regular inspections for wear or damage are advisable, and it's important to ensure all connections are secure. Testing the reset features periodically is recommended.

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