Schneider Electric, LRD Thermal Overload Relay 1 NO/1 NC, Trip Dial: 30 → 40 A, 30A, 40 A F.L.C, 40A Contact Rating, 22

RS stock no.:: 727-6210
Mfr. Part No.:: LRD340
Manufacturer:: Schneider Electric

Schneider Electric, LRD Thermal Overload Relay 1 NO/1 NC, Trip Dial: 30 → 40 A, 30A, 40 A F.L.C, 40A Contact Rating, 22

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RS stock no.:: 727-6210
Mfr. Part No.:: LRD340
Manufacturer:: Schneider Electric

Specification

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	FLC Motor Rating	30A, 40A
	Product Type	Thermal Overload Relay
	Relay Contact Current	40A
	Mount Type	Under Contactor Mount
	Series	LRD
	Power Rating	22kW
	Pole and Throw Configuration	3
	Terminal Type	Screw
	Normal State Configuration	1 NO/1 NC
	IP Rating	IP20
	Reset Method	Push Button
	Number of Auxiliary Contacts	2
	Width	55mm
	Adjustable Current Range	30 → 40 A
	Minimum Operating Temperature	-20°C
	Length	70mm
	Contact Voltage	1kV ac
	Maximum Operating Temperature	60°C
	Depth	116mm
	Standards/Approvals	UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, EN 50495, EN/IEC 60947-4-1, EN/IEC 60947-5-1, GB/T 14048.4, GB/T 14048.5, UL 60947-4-1
	Supply Voltage	690V

	Select all
	Brand Schneider Electric
	FLC Motor Rating 30A, 40A
	Product Type Thermal Overload Relay
	Relay Contact Current 40A
	Mount Type Under Contactor Mount
	Series LRD
	Power Rating 22kW
	Pole and Throw Configuration 3
	Terminal Type Screw
	Normal State Configuration 1 NO/1 NC
	IP Rating IP20
	Reset Method Push Button
	Number of Auxiliary Contacts 2
	Width 55mm
	Adjustable Current Range 30 → 40 A
	Minimum Operating Temperature -20°C
	Length 70mm
	Contact Voltage 1kV ac
	Maximum Operating Temperature 60°C
	Depth 116mm
	Standards/Approvals UL 60947-5-1, CSA C22.2 No 60947-4-1, CSA C22.2 No 60947-5-1, EN 50495, EN/IEC 60947-4-1, EN/IEC 60947-5-1, GB/T 14048.4, GB/T 14048.5, UL 60947-4-1
	Supply Voltage 690V

COO (Country of Origin):: FR

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.