Schneider Electric LRD21 TeSys Deca Thermal Overload Relay 12-18A Class 10A IP20
Schneider Electric LRD21 TeSys Deca Thermal Overload Relay 12-18A Class 10A IP20
- MPN: LRD21
- PPN: SCH-LRD21
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CAD$131.32/ EA
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).
Specifications
- Thermal Protection Adjustment Range
- 12-18 A
- Rated Operational Voltage
- 690 V AC 0-400 Hz power circuit IEC 60947-4-1
- Auxiliary Contact Composition
- 1 NO + 1 NC
- Mounting Support
- plate, with specific accessories || rail, with specific accessories || under contactor
- Control Type
- red push-button stop || blue push-button reset
- Conventional Free Air Thermal Current
- 5 A signalling circuit
- Rated Impulse Withstand Voltage
- 6 kV
- Net Weight
- 0.124 kg (0.27 lb)
- Tightening Torque
- control circuit 1.7 N.m screw clamp terminals || power circuit 2.5 N.m screw clamp terminals
- Storage Temperature Range
- -60 to 70 °C
- Flame Retardance
- UL 94 V1
- Compliance
- RoHS, REACH, Green Premium product compliant
Thermal Overload ClassClass 10A IEC 60947-4-1
Motor Power Rating7.5 kW @ 400 V
Network Frequency0-400 Hz
IP Degree of ProtectionIP20 IEC 60529
Phase Failure Sensitivitytripping current 130% of Ir on two phases, the last one at 0
Permissible Current1.5 A 240 V AC-15 signalling circuit || 0.1 A 250 V DC-13 signalling circuit
Dimensions (HxWxD)66 mm x 45 mm x 70 mm (2.60 in x 1.77 in x 2.76 in)
Connections - Terminalscontrol circuit screw clamp terminals 2 1-2.5 mm² flexible/solid || power circuit screw clamp terminals 1 1.5-10 mm² flexible/solid
Operating Temperature Range-20 to 60 °C without derating IEC 60947-4-1
Product CertificationsIEC, UL, CSA, CCC, EAC, BV, RINA, DNV-GL, LROS (Lloyds register), ATEX INERIS, UKCA
Mechanical RobustnessVibration 6 Gn IEC 60068-2-6, Shock 15 Gn 11 ms IEC 60068-2-7
Country of OriginFrance
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CAD$131.32/ EA
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