TeSys LRD thermal overload relay, 2.5A/690V, thermal setting range 1.6-2.5A, tripping class 10A, for protection of 3-phase motors 0.75kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustment dial, a manual-automatic reset selector, a test selector for the simulation of tripping, reset, and stop buttons, 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 LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with the 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).
Thermal overload class: Class 10A conforming to IEC 60947-4-1
Thermal protection adjustment range: 1.6…2.5 A
Product Specifications
Device short name
lrd
relay application
motor protection
network type
thermal overload class
class 10a iec 60947-4-1
thermal protection adjustment range
1.6…2.5a
rated insulation voltage [ui]
power circuit; 600 v conforming to csa / power circuit; 600 v conforming to ul / power circuit; 690 v conforming to iec 60947-4-1
for use with contactors lc1
d09 ~ d32
network frequency
0...400 hz
mounting support
plate, with specific accessories, rail, with specific accessories, under contactor
tripping threshold
1.14 +/- 0.06 ir conforming to iec 60947-4-1
auxiliary contact composition
1 no + 1 nc
conventional free air thermal current [ith]
5 a for signalling circuit
permissible current
3 a at 120 v ac-15 for the signalling circuit, 0.22 a at 125 v dc-13 for the signalling circuit
rated operational voltage[ue]
690 v ac 0...400 hz for power circuit conforming to iec 60947-4-1
associated fuse rating
4 a gg for signalling circuit, 4 a bs for signalling circuit
rated impulse withstand voltage [uimp]
6 kv
phase failure sensitivity
tripping current 130 % of ir on two-phase, the last one at 0
control type
red push-button stop, blue push-button reset
temperature compensation
-20…60 °c
climatic withstand
conforming to iacs e10
ip degree of protection
ip20 conforming to iec 60529
ambient air temperature for operation
-20…60 °c without derating conforming to iec 60947-4-1
ambient air temperature for storage
-60…70 °c
flame retardance
v1 conforming to ul 94
mechanical robustness
vibrations 6 gn iec 60068-2-6, shocks15 gn for 11 ms iec 60068-2-7
dielectric strength
1.89 kv at 50 hz conforming to iec 60947-1
Product Details
TeSys LRD thermal overload relay, 2.5A/690V, thermal setting range 1.6-2.5A, tripping class 10A, for protection of 3-phase motors 0.75kW@400V. Differential device with phase failure and load unbalance detection. It provides a thermal adjustment dial, a manual-automatic reset selector, a test selector for the simulation of tripping, reset, and stop buttons, 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 LC1D09-D38. Mounting on DIN rail or screw fixing, separated from the contactor, with the 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).
Soo good product very useful and good quality I received it in very good condition in one day only
Soo good product very useful quality I received it in very good condition
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