Schneider LRD3353 TeSys Deca Thermal Overload Relay – 23…32 A
₨ 33,000
₨ 24,750
- Range: TeSys
- Component type: Differential thermal overload relay
- Device short name: LRD
- Net weight: 0.51 kg
- Relay application: Motor protection
- Network type: DC / AC
- Thermal overload class: Class Class 10A conforming to IEC 60947-4-1
- Thermal protection adjustment range: 23…32 A
Additional information
| Setting Range | 23…32A |
|---|
Product Specifications
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Device short name
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lrd
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relay application
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motor protection network type
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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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23…32 a
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rated insulation voltage [ui]
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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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for use with contactors lc1
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d80 ~ d95
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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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conventional free air thermal current [ith]
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5 a for signalling circuit
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permissible current
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0.72 a at 500 v ac-15 for signalling circuit, 0.06 a at 440 v dc-13 for signalling circuit
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rated operational voltage[ue]
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1000 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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rated impulse withstand voltage [uimp]
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6 kv conforming to iec 60947-1
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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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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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2.2 kv at 50 hz conforming to iec 60947-1
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Product Details
TeSys LRD thermal overload relay, 32A/1000V, thermal setting range 23-32A, tripping class 10A, for protection of 3-phase motors 15kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustment dial, a manual-automatic reset selector acting also as a reset button, a trip test button for simulation of tripping, a stop button, a flag indicator, and 2 auxiliary contacts 1NO+1NC for fault signaling. 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 LC1D80-D95. Mounting on DIN rail or screw fixing, separated from the contactor, with use of a terminal block LA7D3064 (to be ordered separately). Multi standards certified (IEC, UL, CSA, CCC, EAC, ATEX, Marine), Green Premium compliant (RoHs/Reach).
User Manual
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