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Schneider Electric, LRD Thermal Overload Relay 1 NO/1 NC, 48 to 65 A F.L.C, 65 A Contact Rating, 30 kW, 6kV 3

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RS Stock No.:
394-9267
Mfr. Part No.:
LRD3359
Manufacturer:
Schneider Electric
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Brand

Schneider Electric

FLC Motor Rating

48 to 65 A

Product Type

Thermal Overload Relay

Relay Contact Current

65 A

Mount Type

Direct

Series

LRD

Power Rating

30kW

Pole and Throw Configuration

3

Terminal Type

Screw

Normal State Configuration

1 NO/1 NC

IP Rating

IP20

Reset Method

Automatic & Manual

Width

55 mm

Number of Auxiliary Contacts

2

Adjustable Current Range

48 to 65 A

Minimum Operating Temperature

-20°C

Maximum Operating Temperature

60°C

Contact Voltage

690V ac

Length

115mm

Standards/Approvals

EC Approved, EAC Approved, DNV-GL Approved, CSA C22.2 No 60947-5-1, CSA Approved, CSA C22.2 No 60947-4-1, EN/IEC 60947-5-1, UL 60947-4-1, EN/IEC 60947-4-1, UL 60947-5-1, UL Approved

Depth

81mm

Better World Product

Yes

Supply Voltage

1 kV

Control Voltage

6kV

RoHS Status: Exempt

COO (Country of Origin):
FR

Schneider Electric LRD Series Thermal Overload Relay, 48 to 65A FLC Motor Rating, 65A Contact Current Rating - LRD3359


This thermal overload relay is designed for effective motor protection. Offering an adjustable thermal protection range of 48 to 65A, it ensures reliability in various industrial applications. The relay features a compact design with dimensions of 70mm x 81mm x 115mm, making it suitable for direct contactor mounting.

Features & Benefits


• Provides automatic and manual reset options for convenience

• Capable of withstanding temperatures of up to 60°C

• Complies with IEC standards for robust thermal protection

• Equipped with a contact current rating of 65A

• Utilises screw terminals for secure and versatile connections

• Incorporates dual auxiliary contacts for enhanced functionality

Applications


• Designed for the protection of AC and DC motor circuits

• Utilised in conjunction with LC1D80 and LC1D95 contactors

• Suitable for use in environments with varying temperatures

What insulation voltage does this device support?


It supports a rated insulation voltage of 1000 V for the power circuit, ensuring compatibility with various industrial applications.

How does the relay respond to phase failure?


In the event of a two-phase failure, it trips the circuit at a sensitivity threshold of 130% of the rated current, providing essential motor protection.

What are the implications of its temperature compensation feature?


The relay operates effectively within a temperature range of -20 to +60°C without derating, making it versatile for different environments.

How can the device be mounted?


It can be mounted on a plate, rail, or directly under a contactor, allowing flexibility in installation based on specific requirements.

What is the rated operational voltage for the control circuit?


The rated operational voltage of the control circuit is 1000 V AC at frequencies ranging from 0 to 400 Hz, ensuring reliable performance across diverse applications.

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