TeSys Deca Thermal Overload Relay 12-18A Class 10A 1NO+1NC
Schneider Electric

Schneider Electric LRD216 TeSys Deca Thermal Overload Relay 12-18A Class 10A 1NO+1NC

  • MPN: LRD216
  • PPN: SCH-LRD216

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$154.35

/ EA

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Spec sheet

Description

TeSys LRD thermal overload relay, 18A/690V, thermal setting range 12-18A, tripping class 10A, for protection of 3-phase motors 7.5kW@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 LC1D18-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

  • The Schneider Electric Canada LRD216 features a wide thermal protection adjustment dial spanning 12 to 18 Amps, allowing you to fine-tune your motor control circuit exactly to your machine's full-load amps (FLA). This flexible setting prevents premature tripping caused by standard current fluctuations while providing highly responsive defense against destructive overcurrent conditions.
  • Engineered for seamless integration within the TeSys Deca and TeSys D ecosystems, this thermal overload relay connects directly to the bottom terminals of LC1D18, LC1D25, LC1D32, and LC1D38 three-pole contactors. This direct-mount architecture drastically reduces panel assembly time, eliminates terminal wiring errors, and minimizes your overall footprint inside the control enclosure.
  • Built as a differential device with phase failure and load unbalance detection, the LRD216 monitors all three phases simultaneously and will trip if a single phase drops or experiences a current imbalance of 130% or more. This prevents your three-phase motors from overheating or burning out due to sudden voltage drops, ensuring long-term hardware reliability in demanding manufacturing environments.
  • This specific LRD216 variant is manufactured with robust lugs-ring terminals on the power circuit to handle heavy industrial vibration without loosening over time. It guarantees a highly secure, low-resistance connection for ring tongue terminals tightened up to 2.3 N.m of torque, protecting your control circuit against arcing and loose-wire faults in high-vibration machinery.
  • Providing absolute compliance for strict commercial and industrial installations, this thermal overload relay carries dual UL 60947 and CSA C22.2 certifications, alongside CE, ATEX, and Marine approvals. It features an IP20 finger-safe enclosure rating and a V1 flame retardance classification, allowing you to confidently pass electrical inspections and maintain high safety standards.

Documentation & Downloads

Specifications

Key Specifications

Network Type
AC || DC
Relay Application
motor protection
Product Name
TeSys LRD || TeSys Deca
Range
TeSys || TeSys Deca
Product Compatibility
LC1D32 || LC1D38 || LC1D25 || LC1D18
Thermal Protection Adjustment Range12-18 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
Connection Pitch
17.5 mm
Phase Failure Sensitivity
tripping current 130 % of Ir on two phase, the last one at 0
Associated Fuse Rating
4 A gG for signalling circuit || 4 A BS for signalling circuit
[Uimp] Rated Impulse Withstand Voltage
6 kV
Tripping Threshold
1.14 +/- 0.06 Ir IEC 60947-4-1
Control Type
red push-button stop || blue push-button reset
Width
45 mm
Temperature Compensation
-20-60 °C
Height66 mm
Auxiliary Contact Composition1 NO + 1 NC
Connections - Terminalscontrol 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 lugs-ring terminals
[Ue] Rated Operational Voltage690 V AC 0...400 Hz power circuit IEC 60947-4-1
Net Weight0.124 kg
Permissible Current1.5 A 240 V AC-15 signalling circuit || 0.1 A 250 V DC-13 signalling circuit
Tightening Torquecontrol circuit 1.7 N.m screw clamp terminals || power circuit 2.3 N.m lugs-ring terminals M4
Mounting Supportplate, with specific accessories || rail, with specific accessories || under contactor
Depth70 mm

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

Environmental Disclosure
ENVPEP080405EN
Reach Free Of Svhc
Yes
China Rohs Regulation
Product out of China RoHS scope. Substance declaration for your information
Eu Rohs Directive
Compliant with Exemptions
Reach RegulationFree of Substances of Very High Concern above the threshold
WeeeThe product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
Circularity ProfileENVEOLI0804005_V1

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