TeSys Deca Thermal Overload Relay 0.1-0.16A 690VAC 1NO+1NC Class 10A
Schneider Electric

Schneider Electric LRD01 TeSys Deca Thermal Overload Relay 0.1-0.16A 690VAC 1NO+1NC Class 10A

  • MPN: LRD01
  • PPN: SCH-LRD01

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$124.05

/ EA

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Spec sheet

Description

TeSys LRD thermal overload relay, 0.16A/690V, thermal setting range 0.1-0.16A, tripping class 10A, for protection of 3-phase motors less than 0.06kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustement dial, a manual-automatic reset selector, a test selector for simulation of a tripping, reset and stop buttons, 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 LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LAD7B106 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).

Features

  • Specifically engineered for hyper-precise micro-current monitoring, this premium bimetallic relay features an adjustable thermal setting range from 0.1A to 0.16A.
  • This TeSys Deca component mounts directly beneath standard 3-pole TeSys D contactors—including LC1D09, LC1D12, LC1D18, LC1D25, LC1D32, and LC1D38 units—utilizing pre-aligned power terminals. By snapping directly into the bottom pins of the parent contactor, it eliminates the need for any inter-device jumper wiring or extra DIN rail real estate, preserving valuable panel space and significantly slashing assembly labor costs.
  • Equipped with an advanced differential tripping mechanism, this relay features integrated phase-unbalance detection and phase-loss sensitivity conforming to strict IEC 60947-4-1 standards. If a single phase drops completely or an extreme current unbalance occurs across your lines, the internal slide mechanism accelerates the Class 10A trip curve—instantly dropping out the control circuit to isolate the motor before expensive winding damage or localized overheating can occur.
  • The front-facing interface includes an intuitive, color-coded dual-control system consisting of a red stop/test push-button and a blue manual-automatic reset selector. Industrial maintenance teams can switch the selector to automatic mode for remote, unattended reset cycles after a cooling period, or lock it into manual mode to force a technician to visually inspect the field equipment and diagnose the underlying fault condition before restarting.
  • Featuring an integrated 1NO + 1NC (one Normally Open and one Normally Closed) auxiliary contact arrangement rated up to 690V AC, this relay handles isolated signaling and hardwired safety interlocks simultaneously.
  • Fully certified to CSA C22.2 No 60947-4-1, and UL. This heavy-duty relay features a rugged, vibration-resistant housing built to survive harsh industrial environments from -20°C to +60°C without ambient derating. It incorporates IP20 finger-safe screw clamp terminals to enhance safety during routine maintenance, and features a clear, tamper-proof transparent sealing flap that completely shields the dial settings from unauthorized field adjustments.

Documentation & Downloads

Specifications

Key Specifications

Network Type
DC || AC
Relay Application
motor protection
Product Name
TeSys LRD || TeSys Deca
Range
TeSys || TeSys Deca
Product Compatibility
LC1D25 || LC1D09 || LC1D12 || LC1D18 || LC1D38 || LC1D32
Thermal Protection Adjustment Range0.1-0.16 A
Product Or Component Typedifferential thermal overload relay
Thermal Overload Classclass 10A IEC 60947-4-1
[Ui] Rated Insulation Voltagepower circuit 600 V CSA || power circuit 600 V UL || power circuit 690 V IEC 60947-4-1
Device Short NameLRD

Complementary

Network Frequency
0...400 Hz
[Ith] Conventional Free Air Thermal Current
5 A signalling circuit
Connections - Terminals
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 || power circuit screw clamp terminals 1 1.5-10 mm² flexible without cable end || power circuit screw clamp terminals 1 1-4 mm² flexible with cable end || power circuit screw clamp terminals 1 1-6 mm² solid without cable end
[Ue] Rated Operational Voltage
690 V AC 0...400 Hz power circuit IEC 60947-4-1
Net Weight
0.124 kg
Permissible Current
3 A 120 V AC-15 signalling circuit || 0.22 A 125 V DC-13 signalling circuit
Tightening Torque
control circuit 1.7 N.m screw clamp terminals || power circuit 1.7 N.m screw clamp terminals
Mounting Support
plate, with specific accessories || rail, with specific accessories || under contactor
Depth
70 mm
Height66 mm
Auxiliary Contact Composition1 NO + 1 NC
Phase Failure Sensitivitytripping current 130 % of Ir on two phase, the last one at 0
Associated Fuse Rating4 A gG for signalling circuit || 4 A BS for signalling circuit
[Uimp] Rated Impulse Withstand Voltage6 kV
Tripping Threshold1.14 +/- 0.06 Ir IEC 60947-4-1
Control Typered push-button stop || blue push-button reset
Width45 mm
Temperature Compensation-20-60 °C

Environment

Product Certifications
IEC || UL || CSA || CCC || EAC || BV || RINA || DNV-GL || LROS (Lloyds register of shipping) || ATEX INERIS || UKCA
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
Ambient Air Temperature For Operation
-20-60 °C without derating IEC 60947-4-1
Ip Degree Of Protection
IP20 IEC 60529
Ambient Air Temperature For Storage
-60-70 °C
Mechanical Robustnessvibrations6 Gn IEC 60068-2-6 || shocks15 Gn for 11 ms IEC 60068-2-7
Climatic WithstandIACS E10
Dielectric Strength1.89 kV 50 Hz IEC 60947-1
Flame RetardanceV1 UL 94

Contractual warranty

Warranty
18 months

Offer Sustainability

Rohs Exemption Information
Yes
Environmental Disclosure
ENVPEP080206EN
Reach Regulation
Reference contains Substances of Very High Concern above the threshold
China Rohs Regulation
Product out of China RoHS scope. Substance declaration for your information
Eu Rohs Directive
Compliant with Exemptions
Mercury FreeYes
Sustainable Offer StatusGreen Premium product
WeeeThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
Circularity ProfileENVEOLI0802006

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