Schneider Overload Relay LRD22
Brand Name: Schneider
Model Number: LRD22
Theory: Thermal Relay

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Main
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Range
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TeSys
TeSys Deca
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Range of product
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TeSys D
TeSys Deca
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Product or component type
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Differential thermal overload relay
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Device short name
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LRD
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Relay application
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Motor protection
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Product compatibility
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LC1D25
LC1D32
LC1D38
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Network type
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DC
AC
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Thermal overload class
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Class 10A conforming to IEC 60947-4-1
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Thermal protection adjustment range
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16…24 A
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[Ui] rated insulation voltage
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Power circuit: 600 V conforming to CSA
Power circuit: 600 V conforming to UL
Power circuit: 690 V conforming to IEC 60947-4-1
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Network frequency
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0...400 Hz
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Mounting support
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Plate, with specific accessories
Rail, with specific accessories
Under contactor
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Tripping threshold
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1.14 +/- 0.06 Ir conforming to IEC 60947-4-1
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Auxiliary contact composition
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1 NO + 1 NC
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[Ith] conventional free air thermal current
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5 A for signalling circuit
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Permissible current
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1.5 A at 240 V AC-15 for signalling circuit
0.1 A at 250 V DC-13 for signalling circuit
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[Ue] rated operational voltage
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690 V AC 0...400 Hz for power circuit conforming to IEC 60947-4-1
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Associated fuse rating
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4 A gG for signalling circuit
4 A BS for signalling circuit
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[Uimp] rated impulse withstand voltage
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6 kV
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Phase failure sensitivity
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Tripping current 130 % of Ir on two phase, the last one at 0
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Control type
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Red push-button: stop
Blue push-button: reset
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Temperature compensation
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-20…60 °C
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Connections - terminals
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Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible without cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² flexible with cable end Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm² solid Power circuit: screw clamp terminals 1 cable(s) 1.5…10 mm² flexible without cable end Power circuit: screw clamp terminals 1 cable(s) 1…6 mm² flexible with cable end Power circuit: screw clamp terminals 1 cable(s) 1.5…10 mm² solid |
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Tightening torque
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Control circuit: 1.7 N.m - on screw clamp terminals
Power circuit: 2.5 N.m - on screw clamp terminals
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Environment
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Climatic withstand
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conforming to IACS E10
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IP degree of protection
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IP20 conforming to IEC 60529
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Ambient air temperature for operation
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-20…60 °C without derating conforming to IEC 60947-4-1
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Ambient air temperature for storage
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-60…70 °C
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Flame retardance
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V1 conforming to UL 94
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Mechanical robustness
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Vibrations: 6 Gn conforming to IEC 60068-2-6
Shocks: 15 Gn for 11 ms conforming to IEC 60068-2-7
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Dielectric strength
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1.89 kV at 50 Hz conforming to IEC 60947-1
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Standards
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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 |
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Product certifications
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IEC
UL
CSA
CCC
EAC
BV
RINA
DNV-GL
LROS (Lloyds register of shipping)
ATEX INERIS
UKCA
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Dimension
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Height
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66 mm
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Width
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45 mm
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Depth
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70 mm
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Net weight
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0.124 kg
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Certifications



Packing & Delivery

FAQ
Q1: Do you have a catalogue? Can you send me the catalogue to have a check of all your product ?
Q2: I need your price list of all your products, do you have a price list ?
Q3: What kind of payment do you accept ?
Q4: I can't assure the models of product from catalog, can you choose models for me?
Q5: How to ship my order ? Is it safe?
For big packages, we will send them by Air or by sea.We will use good packing and ensure the goods safety.

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