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LR2D1308

Marvo Part ID: MV-2FBD

£146.63 (ex. VAT)

Telemecanique

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Specifications

Specification Description
Part Number LR2D1308
Manufacturer Telemecanique
Part Description Telemecanique, TeSys D Series, Thermal Overload Relay, 690 V ac, Checking the Wiring on the Control Circuit, 121 x 100 x 75 mm
Short Description Thermal overload relay
Country of Origin Not specified
Commodity Code 853641
Relay Application Motor protection
Protection Type GG fuse 5 A - for control circuit, GB2 circuit breaker 5 A - for control circuit, BS fuse 5 A - for control circuit
Network Frequency 50/60 Hz
Mounting Support Plate, with EverLink power terminal block, Rail, with EverLink power terminal block
Tripping Threshold 1.14 +/-0.06 In A conforming to IEC 60947-4-1
Surge Withstand 6 kV conforming to IEC 60801-5
Rated Operational Voltage 690 V AC 50/60 Hz for power circuit conforming to IEC 60947-4-1
Phase Failure Sensitivity Tripping current I 30 % of Ir on one phase, the others at Ir conforming to IEC 60947-4-1
Tightening Torque Control circuit: 1.7 N.m on screw clamp terminals
Dimensions Height: 121 mm, Width: 75 mm, Depth: 100 mm
Standards IEC 60947-4-1, UL 508, EN 60947-5-1, Directive ATEX 94/9/EC, IEC 60947-5-1, EN 60947-4-1, CSA C22.2 No 14
Product Certifications GOST

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LR2D1308 Product Description

The Telemecanique LR2D1308 is a robust and reliable thermal overload relay from the renowned TeSys D Series. This high-performance part is designed to provide superior motor protection, safeguarding your equipment from potential damage caused by overheating. With an operational voltage of 690 V AC, it is suitable for a wide range of industrial applications.

The LR2D1308 features a variety of connection terminals, allowing for flexible installation options. It is designed to work with a control circuit, utilising screw clamp terminals for secure and efficient connectivity. The part is also equipped with a tripping threshold of 1.14 +/-0.06 In A, conforming to IEC 60947-4-1 standards, ensuring precise and reliable operation.

This thermal overload relay is built to withstand challenging environments. It boasts an IP2x degree of protection, conforming to VDE 0106, and can operate in ambient air temperatures ranging from -20 to 60 °C. The part also offers fire resistance up to 850 °C, conforming to IEC 60695-2-1 standards.

The LR2D1308 is not just about performance and durability. It also complies with several international standards and certifications, including IEC 60947-4-1, UL 508, EN 60947-5-1, and ATEX INERIS, among others. This ensures that the part meets the highest quality and safety standards, providing you with peace of mind in your operations.

In summary, the Telemecanique LR2D1308 thermal overload relay is a versatile and dependable part that offers superior motor protection, flexible installation options, and compliance with international standards. It is an excellent choice for businesses looking to enhance the safety and efficiency of their industrial applications.

Frequently Asked Questions

What is the function of a thermal overload relay?

A thermal overload relay is designed to protect electric motors from overheating, by sensing the current flowing to the motor and breaking the circuit if an overload is detected. It helps prevent damage to the motor that can be caused by excessive current or prolonged overcurrent conditions.

How does the phase failure sensitivity feature work?

The phase failure sensitivity feature of the LR2D1308 ensures that the relay will trip if there is a significant imbalance in the current among the three phases, such as when one phase drops to 30% of the rated current while the others remain at their rated current. This helps protect the motor from potential damage due to phase loss or imbalance.

Can this thermal overload relay be used with different types of circuit protection?

Yes, the LR2D1308 can be used with various types of circuit protection including BS fuses, GB2 circuit breakers, and GG fuses, all rated at 5 A for the control circuit.

What are the mounting options for this relay?

The relay can be mounted on a plate with an EverLink power terminal block or on a rail with an EverLink power terminal block, providing flexibility for different installation requirements.

What is the tripping threshold for this relay?

The tripping threshold for the LR2D1308 is set at 1.14 +/-0.06 times the rated current (In) conforming to IEC 60947-4-1 standards.

What is the operational voltage rating for this relay?

The rated operational voltage for the LR2D1308 is 690 V AC 50/60 Hz for the power circuit, conforming to IEC 60947-4-1 standards.

What are the environmental operating conditions for this relay?

The relay is designed to operate within an ambient air temperature range of -20 to 60 °C and has a fire resistance rating of 850 °C conforming to IEC 60695-2-1. It also has an IP2x degree of protection conforming to VDE 0106.

What certifications does this thermal overload relay have?

The LR2D1308 is certified by multiple international standards, including IEC, UL, CSA, and ATEX, ensuring its compliance with global industry regulations.

What is the significance of the protective treatment TH?

The protective treatment TH indicates that the LR2D1308 has undergone specific treatments to ensure durability and reliability in harsh environments, conforming to IEC 60068.

How is the connection to the control circuit made?

Connections to the control circuit are made using screw clamp terminals that can accommodate cables of 1 to 2.5 mm², with options for both flexible and solid cables, with or without cable ends.