LRD318 Schneider Electric Industrial Automation Components


Part#:LRD318
Manufacturer:Schneider Electric
Category:Industrial Automation Components
Product Lifecycle:Active
Product description
Schneider Electric LRD318, part of the LRD sub-range, is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp connections for both upstream and outgoing cables, as well as the control circuit. This 3-pole device offers protection functions classified as Class 10A, with a rated current range of 12-18 A. It includes protection settings for thermal overload within the same range. The LRD318 is equipped with 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It supports a rated voltage (AC) for phase-to-phase connections up to 690 V at frequencies from 0 to 400Hz, with a minimum operating current of 12 A and a maximum of 18 A.
Product Details
- Range TeSys
- [Uimp] Rated Impulse Withstand Voltage 6 kV
- Width 2.17 in (55 mm)
- Device Short Name LRD
- Network Frequency 0...400 Hz
- [Ue] Rated Operational Voltage 690 V AC 0...400 Hz power circuit IEC 60947-4-1
- Product Or Component Type Differential thermal overload relay
- Auxiliary Contact Composition 1 NO + 1 NC
- Temperature Compensation -4…140 °F (-20…60 °C)
- Thermal Protection Adjustment Range 12…18 A
- [Ith] Conventional Free Air Thermal Current 5 A signalling circuit
- Height 2.76 in (70 mm)
- Relay Application Motor protection
- Tripping Threshold 1.14 +/- 0.06 Ir IEC 60947-4-1
- Thermal Overload Class Class 10A IEC 60947-4-1
- Phase Failure Sensitivity Tripping current 130 % of Ir on two phase, the last one at 0
- Net Weight 0.83 lb(US) (0.375 kg)
- Product Name TeSys LRD
- Depth 4.84 in (123 mm)
- Control Type Red push-button stop Blue push-button reset
- Associated Fuse Rating 4 A gG signalling circuit 4 A BS signalling circuit
- Permissible Current 0.95 A 380 V AC-15 signalling circuit 0.06 A 440 V DC-13 signalling circuit
- Network Type DC AC
- Mounting Support Plate, with specific accessories Rail, with specific accessories Under contactor
- Tightening Torque Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminals Power circuit 44.25 lbf.in (5 N.m) EverLink BTR screw connectors
- Product Compatibility LC1D40A LC1D50A LC1D65A
- [Ui] Rated Insulation Voltage Power circuit 600 V CSA Power circuit 600 V UL Power circuit 690 V IEC 60947-4-1
- 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 m
Product condition
New Factory Sealed
New Factory Sealed - New condition, never used, original OEM part with original packaging and factory seal.
The price of LRD318 on Powermatic Associates is $169.99. Order now.
LRD318 Related Documents
Similar products from: Schneider Electric Industrial Automation Components
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Range
[Uimp] Rated Impulse With...
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[Ue] Rated Operational Vo...
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Auxiliary Contact Composi...
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Thermal Protection Adjust...
Selected product

LRD318
Schneider Electric
Schneider Electric LRD318, part of the LRD sub-range, is a differential thermal overload relay desig...
RangeTeSys
[Uimp] Rated Impulse Withstand Voltage6 kV
Width2.17 in (55 mm)
Device Short NameLRD
Network Frequency0...400 Hz
[Ue] Rated Operational Voltage690 V AC 0...400 Hz power ci...
Product Or Component TypeDifferential thermal overloa...
Auxiliary Contact Composition1 NO + 1 NC
Temperature Compensation-4…140 °F (-20…60 °C)
Thermal Protection Adjustment Range12…18 A
About the manufacturer
Powermatic Associates is an authorized Schneider Electric distributor, proudly offering a diverse portfolio of innovative solutions tailored to meet the dynamic needs of today's industrial landscape. Schneider Electric stands as a global leader in energy management and automation, providing cutting-edge products and services that drive efficiency and sustainability across a variety of sectors. The...
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Schneider Electric LRD318, part of the LRD sub-range, is a differential thermal overload relay designed for direct connection to a contactor and features screw-clamp connections for both upstream and outgoing cables, as well as the control circuit. This 3-pole device offers protection functions classified as Class 10A, with a rated current range of 12-18 A. It includes protection settings for thermal overload within the same range. The LRD318 is equipped with 1 Normally Open (NO) auxiliary contact and 1 Normally Closed (NC) auxiliary contact. It supports a rated voltage (AC) for phase-to-phase connections up to 690 V at frequencies from 0 to 400Hz, with a minimum operating current of 12 A and a maximum of 18 A.
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