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