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Schneider Electric, TeSyS LR Thermal Overload Relay 1 NO/1 NC, 12A, 18 A F.L.C, 18A Contact Rating, 7.5 kW 3

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RS 제품 번호:
394-9330
Distrelec 제품 번호:
136-22-712
제조사 부품 번호:
LRD21
제조업체:
Schneider Electric
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모두 선택

브랜드

Schneider Electric

FLC Motor Rating

12, 18A

Product Type

Thermal Overload Relay

Relay Contact Current

18A

Series

TeSyS LR

Mount Type

Direct

Power Rating

7.5kW

Pole and Throw Configuration

3

Terminal Type

Screw

Normal State Configuration

1 NO/1 NC

Reset Method

Automatic & Manual

IP Rating

IP20

Number of Auxiliary Contacts

2

Width

45mm

Adjustable Current Range

12 to 18 A

Minimum Operating Temperature

-20°C

Length

66mm

Contact Voltage

690V ac

Maximum Operating Temperature

60°C

Standards/Approvals

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

Depth

70mm

Better World Product

Yes

Supply Voltage

690V ac

제외

COO (Country of Origin):
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.