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  11. TeSys Deca thermal overload relays, 37.50A, class 20
Schneider Electric TeSys Deca thermal overload relays, 37.50A, class 20 LR3D3557 - main

TeSys Deca thermal overload relays, 37.50A, class 20

  • Mfr # LR3D3557

  • Zoro # G0569969

product price: $164.99
/ea
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Key Features

Auxiliary Contact Form
1NC/1NO
Maximum Overload Relay Current Setting
50 A
Trip Class
20
Overload Protection Type
Thermal
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
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Specifications

Product Information

MFR #
LR3D3557
Zoro #
G0569969
UPC #
785901381730
Country of Origin
France

Dimensions

Width
75 mm
Depth
121 mm

Details

Item
Overload Relay
Auxiliary Contact Form
1NC/1NO
Maximum Overload Relay Current Setting
50 A
Trip Class
20
Overload Protection Type
Thermal
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
Control Type
Red push-button stop || Blue push-button reset
Thermal Protection Adjustment Range
37-50 A
Range
TeSys
Tripping Threshold
1.14 +/- 0.06 Ir IEC 60947-4-1
Dielectric Strength
1.89 kV 50 Hz IEC 60947-1
Ambient Air Temperature For Storage
-60-70°C
Device Short Name
LR3D
Product Compatibility
LC1D95 || LC1D80
Tightening Torque
control circuit 1.7 N.m screw clamp terminals || power circuit 9 N.m screw clamp terminals
Thermal Overload Class
class 20 IEC 60947-4-1
Product Name
TeSys LRD || TeSys Deca
Ambient Air Temperature For Operation
-20-60°C without derating IEC 60947-4-1
Associated Fuse Rating
4 A gG signalling circuit || 4 A BS signalling circuit
Phase Failure Sensitivity
tripping current 130 % of Ir on two phase, the last one at 0
Flame Retardance
V1 conforming to UL 94
Product Certifications
IEC || UL || CSA || CCC || EAC || BV || DNV-GL || LROS (Lloyds register of shipping) || UKCA
Network Frequency
0 to 400 Hz
Network Type
AC || DC
Connections - Terminals
power circuit screw clamp terminals 1 4-35 mm² flexible without cable end || power circuit screw clamp terminals 1 4-35 mm² flexible with cable end || power circuit screw clamp terminals 1 4-35 mm² solid without cable end || control circuit screw clamp terminals 2 1-2.5 mm² flexible without cable end || control circuit screw clamp terminals 2 1-2.5 mm² flexible with cable end || control circuit screw clamp terminals 2 1-2.5 mm² solid without cable end
Mechanical Robustness
vibrations6 Gn IEC 60068-2-6 || shocks15 Gn for 11 ms IEC 60068-2-7
Product Or Component Type
non differential thermal overload relay
Climatic Withstand
IACS E10
Relay Application
motor protection
Minimum Operating Temperature
-4 Degrees F
Rated Operational Voltage
690 V AC 0 to 400 Hz power circuit IEC 60947-4-1
Rated Insulation Voltage
power circuit 1000 V IEC 60947-4-1 || power circuit 600 V CSA || power circuit 600 V UL
Conventional Free Air Thermal Current
5 A signalling circuit
Mounting Style
plate, with specific accessories || rail, with specific accessories || under contactor
Maximum Operating Temperature
140 Degrees F
IP Rating
IP20

Description

3750A Class 20 Iec Overload Relay

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