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Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 30 → 40 A F.L.C, 40 A Contact Rating, TeSys D

RS Stock No.:: 727-6210
Mfr. Part No.:: LRD340
Brand:: Schneider Electric

Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 30 → 40 A F.L.C, 40 A Contact Rating, TeSys D

Subtotal (1 unit)*

£107.55

(exc. VAT)

£129.06

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

7 unit(s) ready to ship
Plus 7 unit(s) ready to ship from another location
Plus 10 unit(s) shipping from 18 September 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£107.55

*price indicative

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RS Stock No.:: 727-6210
Mfr. Part No.:: LRD340
Brand:: Schneider Electric

Schneider Electric LRD Series Thermal Overload Relay, 30 to 40 A Motor Rating, Automatic Reset Method - LRD340

This thermal overload relay is designed for motor protection, specifically within the TeSys range. The LRD340 provides reliable performance for motor applications, offering overload protection with an adjustment range of 30 to 40A. With dimensions of 55mm in width, 116mm in depth, and 70mm in height, this device is designed for under contactor mounting, making it suitable for various industrial settings.

Features & Benefits

• Automatic reset enhances user convenience
• 1NO + 1NC contact configuration for versatile connections
• Reliable operation in temperatures from -20 to +60 °C
• Compatible with various motor sizes for flexibility
• Suitable for AC and DC networks, increasing applicability
• Screw terminal design facilitates easy and secure connections

Applications

• Protects motors in industrial and manufacturing environments
• Used with AC and DC networks for versatile
• Ideal for integration with LC1D series contactors
• Supports ambitious automation projects by ensuring reliability

What is the significance of the 30 to 40A adjustment range?

The 30 to 40A adjustment range allows for fine-tuning the overload protection according to the motor specifications, ensuring optimal operation and preventing damage caused by excessive currents.

How does the automatic reset function work?

When the thermal overload condition is cleared, the relay automatically resets itself, which eliminates the need for manual intervention and enhances overall operational efficiency.

Can it be used with different types of networks?

Yes, this relay is compatible with both AC and DC networks, making it suitable for diverse applications across various industries.

What type of terminals does this device feature?

The relay is equipped with screw terminals, which provide reliable and secure connections for both control and power circuits, accommodating various cable sizes.

What is the impact of the rated operational voltage?

With a rated operational voltage of up to 690V AC, this thermal overload relay is designed to handle high voltages effectively, ensuring safety and durability even in demanding environments.

Standards

EN/IEC 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, GB/T 14048.4, GB/T 14048.5, EN 50495.

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	FLC Motor Rating	30 → 40 A
	Contact Current Rating	40 A
	Range	TeSys D
	Series	LRD
	Mounting Style	Under Contactor Mount
	Normal State Configuration	1NO + 1NC
	Terminal Type	Screw
	Width	55mm
	Number Of Auxiliary Contacts	2
	Length	70mm
	Depth	116mm
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	+60°C
	Better World Product	Yes
	Operating Temperature Range	-20 → +60 °C
	Better World Verification	Green Premium
	Contact Voltage Rating	1 kV ac

	Select all
	Brand Schneider Electric
	FLC Motor Rating 30 → 40 A
	Contact Current Rating 40 A
	Range TeSys D
	Series LRD
	Mounting Style Under Contactor Mount
	Normal State Configuration 1NO + 1NC
	Terminal Type Screw
	Width 55mm
	Number Of Auxiliary Contacts 2
	Length 70mm
	Depth 116mm
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature +60°C
	Better World Product Yes
	Operating Temperature Range -20 → +60 °C
	Better World Verification Green Premium
	Contact Voltage Rating 1 kV ac

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Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 30 → 40 A F.L.C, 40 A Contact Rating, TeSys D

FREE delivery for orders over £50.00

Better World

Schneider Electric LRD Series Thermal Overload Relay, 30 to 40 A Motor Rating, Automatic Reset Method - LRD340

Features & Benefits

Applications

What is the significance of the 30 to 40A adjustment range?

How does the automatic reset function work?

Can it be used with different types of networks?

What type of terminals does this device feature?

What is the impact of the rated operational voltage?

Standards

Related links

Be the first to know about our latest products and services