Schneider Electric LRD03 Tesys Lrd Thermal Overload Relays - 0.25...0.4 a - Class 10A

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Schneider Electric LRD03 Tesys Lrd Thermal Overload Relays - 0.25...0.4 a - Class 10A

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Schneider Electric LRD03 Tesys Lrd Thermal Overload Relays - 0.25...0.4 a - Class 10A

Brand:	SCHNEIDER ELECTRIC
Model:	LRD03

Specifications

View other Overload Relays dimensions or variations

Network Type

AC DC

Network Frequency

0...400 Hz

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

[Ui] Rated Insulation Voltage

Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to IEC 60947-4-1

[Uimp] Rated Impulse Withstand Voltage

6 kV

Ambient Air Temperature For Operation

-20…60 °C without derating conforming to IEC 60947-4-1

Ambient Air Temperature For Storage

-60…70 °C

[Ith] Conventional Free Air Thermal Current

5 A for signalling circuit

Auxiliary Contact Composition

1 NO + 1 NC

Thermal Protection Adjustment Range

0.25…0.4 A

Product Name

TeSys LRD TeSys Deca

Mounting Support

Plate, with specific accessories Rail, with specific accessories Under contactor

Control Type

Red push-button: stop Blue push-button: reset

Device Short Name

LRD

Product Or Component Type

Differential thermal overload relay

Range

TeSys TeSys Deca

Connections - Terminals

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 Power circuit: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1…4 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² solid without cable end

Ip Degree Of Protection

IP20 conforming to IEC 60529

Tightening Torque

Control circuit: 1.7 N.m - on screw clamp terminals Power circuit: 1.7 N.m - on screw clamp terminals

[Ue] Rated Operational Voltage

690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1

Associated Fuse Rating

4 A gG for signalling circuit 4 A BS for signalling circuit

Product Certifications

IEC UL CSA CCC EAC BV RINA DNV-GL LROS (Lloyds register of shipping) ATEX INERIS UKCA

Mechanical Robustness

Vibrations: 6 Gn conforming to IEC 60068-2-6 Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7

Phase Failure Sensitivity

Tripping current 130 % of Ir on two phase, the last one at 0

Product Compatibility

LC1D25 LC1D18 LC1D38 LC1D12 LC1D32 LC1D09

Tripping Threshold

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

Relay Application

Motor protection

Dielectric Strength

1.89 kV at 50 Hz conforming to IEC 60947-1

Climatic Withstand

conforming to IACS E10

Flame Retardance

V1 conforming to UL 94

Thermal Overload Class

Class 10A conforming to IEC 60947-4-1

Temperature Compensation

-20…60 °C

Permissible Current

3 A at 120 V AC-15 for signalling circuit 0.22 A at 125 V DC-13 for signalling circuit

Product Description

Schneider Electric LRD03 Thermal Overload Relay, Tesys Deca, 690VAC, 0.25 to 0.4A, 1NO+1NC, Class 10A, Screw Clamp

TeSys LRD thermal overload relay, 0.4A/690V, thermal setting range 0.25-0.4A, tripping class 10A, for protection of 3-phase motors 0.09kW@400V. Differential device with phase failure (loss). It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, a flag indicator and 2 auxiliary contacts 1NO+1NC for fault signalling. Settings are protected by a transparent cover lockable by sealing. Connection by screw clamp terminals, it connects directly to the bottom terminals of 3-pole contactors LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B106 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).

RM 228.00

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