Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 0.25 → 0.4 A F.L.C, 400 mA Contact Rating, 3P, TeSys

RS Stock No.:: 394-9447
Mfr. Part No.:: LRD03
Brand:: Schneider Electric

Schneider Electric LRD Thermal Overload Relay 1NO + 1NC, 0.25 → 0.4 A F.L.C, 400 mA Contact Rating, 3P, TeSys

Subtotal (1 unit)*

£50.20

(exc. VAT)

£60.24

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

1 unit(s) ready to ship
Plus 4 unit(s) ready to ship from another location
Plus 6 unit(s) shipping from 03 October 2025

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Units	Per unit
1 +	£50.20

*price indicative

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Alternative

This product is not currently available. Here is our alternative recommendation.

Schneider Electric LRD Overload Relay 1NO + 1NC, 0.4 → 0.63 A F.L.C, 630 mA Contact Rating, 690 V, 3P, TeSys

RS Stock No.: 394-9431

Each

£50.20

(exc. VAT)

£60.24

(inc. VAT)

RS Stock No.:: 394-9447
Mfr. Part No.:: LRD03
Brand:: Schneider Electric

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Schneider Electric
	FLC Motor Rating	0.25 → 0.4 A
	Contact Current Rating	400 mA
	Range	TeSys
	Pole Configuration	3P
	Series	LRD
	Mounting Style	Direct Contactor
	Normal State Configuration	1NO + 1NC
	Reset Method	Automatic, Manual
	Terminal Type	Screw
	Number Of Auxiliary Contacts	2
	Width	45mm
	Depth	66mm
	Length	123mm
	Minimum Operating Temperature	-20°C
	Maximum Operating Temperature	+60°C
	Better World Verification	Green Premium
	Operating Temperature Range	-20 → +60 °C
	Better World Product	Yes
	Contact Voltage Rating	690 V ac

	Select all
	Brand Schneider Electric
	FLC Motor Rating 0.25 → 0.4 A
	Contact Current Rating 400 mA
	Range TeSys
	Pole Configuration 3P
	Series LRD
	Mounting Style Direct Contactor
	Normal State Configuration 1NO + 1NC
	Reset Method Automatic, Manual
	Terminal Type Screw
	Number Of Auxiliary Contacts 2
	Width 45mm
	Depth 66mm
	Length 123mm
	Minimum Operating Temperature -20°C
	Maximum Operating Temperature +60°C
	Better World Verification Green Premium
	Operating Temperature Range -20 → +60 °C
	Better World Product Yes
	Contact Voltage Rating 690 V ac

Schneider Electric LRD Series Thermal Overload Relay, 0.25 to 0.4 A FLC Motor Rating, 3 Pole Configuration - LRD03

This thermal overload relay provides reliable motor protection, ideal for automation and electrical applications. Designed as a 3P thermal overload relay, it operates within a current rating range of 0.25 to 0.4A and features dimensions of 123mm x 66mm x 45mm. The device ensures robust electrical overload protection with an operating temperature range of -20 to +60 °C.

Features & Benefits

• Automatic reset method enhances operational efficiency
• Screw terminal design simplifies installation and maintenance
• Integrated with 1NO + 1NC auxiliary contacts for versatility
• Suitable for direct contactor mounting, maximising space utilisation
• Rated for 690V AC operation, ensuring broad compatibility
• Trip threshold of 130% of rated current protects against overloads

Applications

• Utilised in motor control circuits for efficient protection
• Compatible with various LC1D series contactors for versatility
• Employed in AC and DC network environments
• Ideal for industrial machinery requiring thermal overload protection

What is the maximum current rating supported for signalling circuits?

The permissible current for signalling circuits reaches up to 3A at 120V AC-15, ensuring reliable operation for signalling requirements.

How is the reset process configured for this relay?

The device allows both automatic and manual reset methods, providing flexibility depending on operational needs and safety protocols.

What kind of mounting support is available for this relay?

It can be mounted on a plate, rail, or underneath a contactor using specific accessories, which makes it adaptable for different installation scenarios.

What is the significance of having a trip threshold of 1.14 +/- 0.06 Ir?

This designated trip threshold provides accurate and reliable tripping behaviour, ensuring effective protection against potential overload conditions for connected motors.

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