THERMAL OVERLOAD RELAY 37-50A D80-D95 | Overload Relay | Motor Control | Industrial | All Categories

Schneider Electric LRD3357 Thermal overload relays, TeSys Deca, 37...50 A , class 10A

Code: SCHLRD3357

Brand: Schneider Electric

Unit of measure: EACH

Description

Schneider LRD3365 TeSys, Thermal overload relays, TeSys Deca, 80...104A, class 10A, motor protection

TeSys LRD thermal overload relay, 50A/1000V, thermal setting range 37-50A, tripping class 10A, for protection of 3-phase motors 22kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector acting also as reset button, a trip test button for simulation of a tripping, a stop button, 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 LC1D80-D95. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LA7D3064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).

Features:
• Ensure high safty with phase failure and load unbalance detection
• It is designed with a transparent cover lockable by sealing in case of misoperation
• Simple mounting on DIN rail or screw fixing
• Green Premium product

Technical Specifications

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Mount	Plate, with specific accessories
Thermal overload class	class 10A conforming to IEC 60947-4-1
Ambient air temperature for operation	-20-60 °C without derating conforming to IEC 60947-4-1
Current Type	AC
Contactor	LC1D80, LC1D95
[Ith] conventional free air thermal current	5 A for signalling circuit
Supplier Code	LRD3357
Ambient air temperature for storage	-60-70 °C
Trip Class	Class 10A
Permissible current	0.06 A at 440 V DC-13 for signalling circuit
Network frequency	0...400 Hz
YoutubeVideo1	https://www.youtube.com/embed/gj6wLOSXVLk?si=8QxgtV7sB9XQPTQz
360Image	https://visuals.se.com/LRD3357_360_NAM/20200129T1742/360
Dielectric strength	2.2 kV at 50 Hz conforming to IEC 60947-1
Network type	AC
Terminal Type	Screw Clamp
Control type	blue push-button: reset
IP degree of protection	IP20 conforming to IEC 60529
Range	TeSys
Flame retardance	V1 conforming to UL 94
Weight	0.51 kg
Frequency Rating	0 - 400 Hz
Item Name	Overload Relay
Tightening torque	power circuit: 9 N.m - on screw clamp terminals
Thermal protection adjustment range	37-50 A
Auxiliary contact composition	1 NO + 1 NC
Current	37 - 50A
Connections - terminals	control circuit: screw clamp terminals 2 cable(s) 1-2.5mm² flexible without cable end
Tripping threshold	1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
Associated fuse rating	4 A BS for signalling circuit
Standard	CSA, UL Listed
Depth	115mm
Mounting support	rail- with specific accessories
Climatic withstand	conforming to IACS E10
Voltage	1000 V
Degree of Protection	IP20
Height	81mm
Width	70mm
Temperature Rating	-20 to 60 deg C
Device short name	LRD
Phase failure sensitivity	tripping current 130 % of Ir on two phase- the last one at 0
Compatibility code	LRD
Product compatibility	LC1D95
Mechanical robustness	shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
[Ue] rated operational voltage	1000 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
[Ui] rated insulation voltage	power circuit: 600 V conforming to CSA
Temperature compensation	-20-60 °C
Standards	UL 60947-4-1
Product certifications	UKCA
Brand Name	Schneider Electric
EAN/UPC	3389110519952
[Uimp] rated impulse withstand voltage	6 kV conforming to IEC 60947-1
Type	Thermal
Reset Type	Manual/Automatic
IP Rating	IP20
Product name	TeSys Deca
Relay application	motor protection
Frequency	0...400 Hz
Net weight	0.51 kg
Product or component type	differential thermal overload relay