Schneider Electric

Schneider Electric LRD350 TeSys Deca Overload Relay

Schneider Electric TeSys Deca thermal overload relay, 37-50A.

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ManufacturerSchneider Electric
Part numberLRD350
Rating 37-50A
Class 10A
Poles 3
Auxiliary Contacts 1 NO / 1 NC
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Thermal magnetic overload protection Phase failure sensitivity Adjustable current setting (37-50A) Manual/automatic reset 1 NO + 1 NC auxiliary contacts Direct mounting capability

The Schneider Electric LRD350 is a TeSys Deca series thermal overload relay designed for robust motor protection. It offers an adjustable current setting range of 37 to 50 Amps, suitable for larger motors, and conforms to Class 10A tripping standards.

This relay provides differential thermal protection with phase failure sensitivity. It includes one normally open (NO) and one normally closed (NC) auxiliary contact for signaling and control functions. The LRD350 supports manual or automatic reset and can be mounted directly onto compatible LC1D contactors or separately.

Stanlo Automation is your source for reliable surplus industrial parts, including the Schneider Electric LRD350. As a veteran-owned business, we are dedicated to providing quality components and excellent service to keep your operations running.

Rating37-50A
Class10A
Poles3
Auxiliary Contacts1 NO / 1 NC
ResetManual/Auto
MountingDirect on LC1D contactors / Separate
Operating Temp-20 to 60°C
Motor Protection
Industrial Control Panels
Heavy Duty Machinery
Pump Stations
Compressors
Conveyor Systems
Compatible with Schneider Electric LC1D40A, LC1D50A, LC1D65A contactors.
TeSys LRD350 Schneider Thermal Overload 50A Overload Relay Motor Starter Overload
Designed for use with Schneider Electric LC1D40A, LC1D50A, and LC1D65A contactors.
Expert tip
When direct mounting, ensure the LRD350 is correctly aligned and fully seated on the terminal connections of the compatible LC1D contactor for secure electrical and mechanical integration.
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What is the trip class of the LRD350 overload relay?
The LRD350 is rated as Class 10A according to IEC 60947-4-1 standards. This means it will trip within 10 seconds at 6 times the set current.