Schneider Electric TeSys LRD Thermal Overload Relays 37-50A Class 10A LRD3357

Name: Schneider Electric TeSys LRD Thermal Overload Relays 37-50A Class 10A LRD3357
Brand: Schneider Electric
Price: 295.0 AED
Availability: InStock

AED 295.00

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Brand:Schneider Electric

Collections:Electricals

Type:Thermal Overload Relays

Description

Schneider Electric LRD3357 TeSys LRD Thermal Overload Relay is a protective device used in electrical circuits to prevent overheating of motors or other electrical equipment. It works by monitoring the current passing through the circuit and tripping the circuit if it detects an overload condition.

37-50A is the range of current that the thermal overload relay is designed to handle. It means the relay is suitable for applications where the current is expected to be between 37 and 50 amperes. If the current exceeds this range, the relay will trip to protect the circuit. Class 10A is the trip class of the thermal overload relay. Trip classes define the response time of the relay to an overload condition. The relay will trip within 10 seconds when it detects an overload.

In summary, Schneider Electric LRD3357 TeSys LRD Thermal Overload Relay is designed for applications where the current is expected to be between 37 and 50 amperes, and it has a trip class of 10A, meaning it will trip within 10 seconds in response to an overload condition. This particular relay is suitable for protecting circuits with motors or equipment that draw current in this range.

Features

37-50A Th Overload Relay
Protect motors from overloads and phase failures
Easier to install and operate with multi-standard screws

Specifications

Brand : Schneider Electric

Item Name : Thermal Overload Relays

Model : LRD3357

Conventional Free Air Thermal Current : 5 A for Signalling Circuit

Rated Operational Voltage Limits : 1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1

Rated Insulation Voltage : power circuit: 1000 V conforming to IEC 60947-4-1, power circuit: 600 V conforming to CSA, power circuit: 600 V conforming to UL

Rated Impulse Withstand Voltage : 6 kV conforming to IEC 60947-1

Ambient Air Temperature For Operation : -20-60 °C without derating conforming to IEC 60947-4-1

Ambient Air Temperature For Storage : -60-70 °C

Associated Fuse Rating : 4 A gG for signalling circuit, 4 A BS for signalling circuit

Auxiliary Contact Composition : 1 NO + 1 NC

Climatic Withstand : Conforming to IACS E10

Compatibility Code : LRD

Connections - Terminals : power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible without cable end, power circuit: screw clamp terminals 1 cable(s) 4-35 mm² flexible with cable end, power circuit: screw clamp terminals 1 cable(s) 4-35 mm² solid without cable end, control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible without cable end, control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² flexible with cable end, control circuit: screw clamp terminals 2 cable(s) 1-2.5 mm² solid without cable end

Control Type : Red Push-button: stop, blue push-button: reset

Depth : 115 mm

Dielectric Strength : 2.2 kV at 50 Hz conforming to IEC 60947-1

Flame Retardance : V1 conforming to UL 94

Height : 81 mm

IP Degree Of Protection : IP20 Conforming to IEC 60529

Mechanical Robustness : vibrations: 6 Gn conforming to IEC 60068-2-6, shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7

Mounting Support : Plate, with specific accessories, rail, with specific accessories, under contactor

Network Frequency : 0...400 Hz

Network Type : DC, AC

Permissible Current : 0.72 A at 500 V AC-15 for signalling circuit, 0.06 A at 440 V DC-13 for signalling circuit

Phase Failure Sensitivity : Tripping Current 130 % of Ir on two phase, the last one at 0

Certifications : IEC, UL, CSA, CCC, EAC, ATEX INERIS, UKCA

Compatibility : LC1D95, LC1D80

Range : TeSys, TeSys Deca

Relay Application : Motor Protection

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

Tightening Torque : control circuit: 1.7 N.m - on screw clamp terminals, power circuit: 9 N.m - on screw clamp terminals

Width : 70 mm

Temperature Compensation : -20-60 °C

Thermal Overload Class : Class 10A conforming to IEC 60947-4-1

Thermal Protection Adjustment Range : 37-50 A

Tripping Threshold : 1.14 +/- 0.06 Ir conforming to IEC 60947-4-1

Weight : 0.51 kg