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Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 12 → 18 A F.L.C, 18 A Contact Rating, 3P, TeSys

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Sous-total (1 unité)*

70,23 €

(TVA exclue)

84,98 €

(TVA incluse)

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  • Plus 236 unité(s) expédiée(s) à partir du 15 décembre 2025
  • Plus 11 unité(s) expédiée(s) à partir du 18 décembre 2025
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N° de stock RS:
394-9330
Numéro d'article Distrelec:
136-22-712
Référence fabricant:
LRD21
Fabricant:
Schneider Electric
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Marque

Schneider Electric

FLC Motor Rating

12 → 18 A

Contact Current Rating

18 A

Range

TeSys

Pole Configuration

3P

Series

LRD

Mounting Style

Direct Contactor

Normal State Configuration

1NO + 1NC

Terminal Type

Screw

Reset Method

Automatic, Manual

Number Of Auxiliary Contacts

2

Width

45mm

Length

66mm

Depth

70mm

Maximum Operating Temperature

+60°C

Minimum Operating Temperature

-20°C

Better World Product

Yes

Operating Temperature Range

-20 → +60 °C

Better World Verification

Green Premium

Contact Voltage Rating

690 V ac

Supply Voltage

690 V ac

Statut RoHS : Exempté

Pays d'origine :
FR

Schneider Electric LRD Series Thermal Overload Relay, 12 to 18A FLC Motor Rating, 690V AC Contact Voltage Rating - LRD21


This thermal overload relay is an essential device in electrical systems, designed for the protection of motors. With a current rating of 12 to 18A, it conforms to class 10A standards, ensuring dependable operation across various applications. Compact in design, this model features dimensions of 66mm in height, 45mm in width, and 70mm in depth, making it suitable for tight installation spaces.

Features & Benefits


• Utilises screw terminals for secure connection that enhances reliability
• Automatic and manual reset options for user convenience
• Advanced thermal protection for optimal motor safeguarding
• Compatible with multiple models for versatile use
• Integrated auxiliary contacts streamline operational control
• Capable of operating at temperatures from -20°C to +60°C

Applications


• Ideal for use with motor protection systems in industrial settings
• Employed in conjunction with various electric motor models
• Suitable for AC and DC networks, enhancing flexibility in electrical designs
• Used for reliable overload protection in diverse automation

How do the automatic and manual reset functions work?


The device features a red push-button for stopping and a blue push-button for manual resetting, providing flexible options to restore normal operation after a trip due to overload conditions, ensuring safety and convenience.

What is the significance of the 3-pole configuration in this relay?


The 3-pole configuration allows for effective control of three-phase motors, enabling the unit to balance the load and ensure optimal performance, which is vital for applications in industrial automation.

Can this relay operate in high-demand environments?


Yes, it is rated for a maximum operating temperature of +60°C and designed to endure conditions such as vibrations and shocks, making it suitable for challenging industrial environments.

What kind of signalling circuits can it accommodate?


The device supports various signalling circuit currents, allowing up to 1.5A at 240V AC-15 and 0.1A at 250V DC-13, ensuring compatibility with different signalling systems for efficient motor management.

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