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LRD08 | Overload Relay (TeSys D) Class 10 with Single Phase Sens., Trip: 2.5A to 4.0A | Schneider Electric (Square D)

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Overview

Details for LRD08

2.5-4.0A Overload Relay The Schneider Electric LRD08 (Square D) is a 2.5-4.0A overload relay designed to protect motors from damage due to overloads or short circuits. It features an adjustable trip setting range of 2.5-4.0A, providing flexibility for various motor sizes and applications. The LRD08 is equipped with a manual reset button, allowing for easy resetting after a trip occurs. It also has a trip-free mechanism, preventing the relay from being reset if the overload condition persists, ensuring enhanced safety. This overload relay is compact in size, making it suitable for installation in tight spaces. Its durable construction ensures reliability and longevity, even in demanding industrial environments. Applications: * Motor protection against overloads and short circuits * Industrial machinery * Pumps and compressors * Conveyors * HVAC systems Shop our HVAC supply store for the best prices and fast shipping on the Schneider Electric LRD08 Overload Relay! TeSys LRD overload relays are designed to be used with TeSys D contactors to make a motor starter. This overload relay can be used with 9 amp through 38 amp TeSys D contactors. These differential thermal overload relays detect over currents in the lines to the motor. When an overcurrent is detected the overload relay working with the contactor will disconnect the power to the motor. This will minimize the damage to the motor windings. This overload relay has an adjustable trip current rating of 2.5 to 4.0 amperes. This trip current rating is calibrated per Class 10A. Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).

Specifications

range: TeSys;TeSys Deca
product name: TeSys LRD;TeSys Deca
Product or Component Type: Differential thermal overload relay
device short name: LRD
relay application: Motor protection
Product Compatibility: LC1D12;LC1D09;LC1D25;LC1D38;LC1D32;LC1D18
network type: AC;DC
thermal overload class: Class 10A IEC 60947-4-1
thermal protection adjustment range: 2.5…4 A
[Ui] rated insulation voltage: Power circuit 600 V CSA;Power circuit 600 V UL;Power circuit 690 V IEC 60947-4-1
Network Frequency: 0...400 Hz
mounting support: Plate;with specific accessories;Rail;with specific accessories;Under contactor
tripping threshold: 1.14 +/- 0.06 Ir IEC 60947-4-1
auxiliary contact composition: 1 NO + 1 NC
[Ith] conventional free air thermal current: 5 A signalling circuit
permissible current: 3 A 120 V AC-15 signalling circuit;0.22 A 125 V DC-13 signalling circuit
[Ue] rated operational voltage: 690 V AC 0...400 Hz power circuit IEC 60947-4-1
associated fuse rating: 4 A gG signalling circuit;4 A BS signalling circuit
[Uimp] rated impulse withstand voltage: 6 kV
phase failure sensitivity: Tripping current 130 % of Ir on two phase;the last one at 0
control type: Red push-button stop;Blue push-button reset
temperature compensation: -4…140 °F (-20…60 °C)
connections - terminals: Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible without cable end;Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible with cable end;Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) solid without cable end;Power circuit screw clamp terminals 1 0.00…0.02 in² (1.5…10 mm²) flexible without cable end;Power circuit screw clamp terminals 1 0.00…0.01 in² (1…4 mm²) flexible with cable end;Power circuit screw clamp terminals 1 0.00…0.01 in² (1…6 mm²) solid without cable end
tightening torque: Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals;Power circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals
Height: 2.60 in (66 mm)
Width: 1.77 in (45 mm)
Depth: 2.76 in (70 mm)
Net Weight: 0.27 lb(US) (0.124 kg)
climatic withstand: IACS E10
IP degree of protection: IP20 conforming to IEC 60529
ambient air temperature for operation: -4…140 °F (-20…60 °C) without derating IEC 60947-4-1
Ambient Air Temperature for Storage: -76…158 °F (-60…70 °C)
flame retardance: V1 conforming to UL 94
mechanical robustness: Vibrations6 Gn IEC 60068-2-6;Shocks15 Gn for 11 ms IEC 60068-2-7
dielectric strength: 1.89 kV 50 Hz IEC 60947-1
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
Product Certifications: IEC;UL;CSA;CCC;EAC;BV;RINA;DNV-GL;LROS (Lloyds register of shipping);ATEX INERIS;UKCA
Category: 22347-CONTACTOR;D-LINE;OVERLOADS-NEW
Discount Schedule: I12
GTIN: 3389110346787
Returnability: Yes
Country of origin: FR
Unit Type of Package 1: PCE
Number of Units in Package 1: 1
Package 1 Height: 1.89 in (4.800 cm)
Package 1 Width: 3.07 in (7.800 cm)
Package 1 Length: 3.50 in (8.900 cm)
Package 1 Weight: 4.97 oz (141.000 g)
Unit Type of Package 2: S02
Number of Units in Package 2: 24
Package 2 Height: 5.91 in (15.000 cm)
Package 2 Width: 11.81 in (30.000 cm)
Package 2 Length: 15.75 in (40.000 cm)
Package 2 Weight: 8.20 lb(US) (3.720 kg)
Warranty: 18 months