LRD3355 | TeSys Deca, thermal overload relay, 30 to 40 A, class 10A, for LC1D80 and LC1D95 | Schneider Electric (Square D)
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Brand: Schneider Electric (Square D)SKU: LRD3355
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$415.00
$138.26
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LRD3355 | TeSys Deca, thermal overload relay, 30 to 40 A, class 10A, for LC1D80 and LC1D95 | Schneider Electric (Square D)

Schneider Electric (Square D) | LRD3355
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Overview

Details for LRD3355

The LRD3355 Overload Relay, from Schneider Electric (Square D), provides reliable protection for motors in demanding industrial applications. Designed to handle 30-40 amp loads, this relay safeguards motors from overheating and electrical faults. Its compact design and easy installation make it an excellent choice for protecting valuable equipment. Featuring a range of adjustable settings, the LRD3355 can be customized to specific motor requirements, ensuring optimal protection. Its Class 10 trip unit offers fast and reliable tripping, minimizing downtime and preventing costly damage. Additionally, this relay's manual reset functionality allows for easy troubleshooting and quick resumption of operations. Our HVAC supply store is your trusted source for industrial electrical equipment and supplies. We offer competitive prices and fast shipping, ensuring you get the products you need at the best value. Shop now and experience the exceptional service and quality of Our HVAC supply store! 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 80 amp through 95 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 30 to 40 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
product name
TeSys LRD;TeSys Deca
Product or Component Type
Differential thermal overload relay
device short name
LRD
relay application
Motor protection
Product Compatibility
LC1D80;LC1D95
network type
DC;AC
thermal overload class
Class 10A IEC 60947-4-1
thermal protection adjustment range
30…40 A
[Ui] rated insulation voltage
Power circuit 1000 V IEC 60947-4-1;Power circuit 600 V CSA;Power circuit 600 V UL
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
0.72 A 500 V AC-15 signalling circuit;0.06 A 440 V DC-13 signalling circuit
[Ue] rated operational voltage
1000 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 IEC 60947-1
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
Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) flexible without cable end;Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) flexible with cable end;Power circuit screw clamp terminals 1 0.01…0.05 in² (4…35 mm²) solid without cable end;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
tightening torque
Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals;Power circuit 79.66 lbf.in (9 N.m) screw clamp terminals
Height
3.19 in (81 mm)
Width
2.76 in (70 mm)
Depth
4.53 in (115 mm)
Net Weight
1.12 lb(US) (0.51 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
2.2 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;ATEX INERIS;UKCA
Category
22347-CONTACTOR;D-LINE;OVERLOADS-NEW
Discount Schedule
I12
GTIN
3389110519938
Returnability
Yes
Country of origin
FR
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Height
3.07 in (7.8 cm)
Package 1 Width
3.39 in (8.6 cm)
Package 1 Length
4.72 in (12 cm)
Package 1 Weight
17.57 oz (498 g)
Unit Type of Package 2
S02
Number of Units in Package 2
12
Package 2 Height
5.91 in (15 cm)
Package 2 Width
11.81 in (30 cm)
Package 2 Length
15.75 in (40 cm)
Package 2 Weight
13.92 lb(US) (6.315 kg)
Unit Type of Package 3
P06
Number of Units in Package 3
192
Package 3 Height
29.53 in (75 cm)
Package 3 Width
23.62 in (60 cm)
Package 3 Length
31.50 in (80 cm)
Package 3 Weight
245.59 lb(US) (111.396 kg)
Warranty
18 months

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