Main
Device short name
LR9D
Range
TeSys
thermal overload class
Class 5…30
Product Name
TeSys LRD
[ui] rated insulation voltage
Power circuit: 1000 V
Signalling circuit: 690 V
Relay application
Motor protection
thermal protection adjustment range
0.4…2 A
Complementary
product compatibility
LC1D25
LC1D09
LC1D32
LC1D38
LC1D18
LC1D12
[ue] rated operational voltage
690 V for power circuit
660 V for signalling circuit
[ith] conventional thermal current
5 A for signalling circuit
Control type
Red push-button: stop and manual reset
White 2 microswitches: adjustable trip class
Red knob: automatic reset
White dial: full-load current adjustment
Product certifications
IECEE CB Scheme
UL
CSA
CCC
Handle front plate colour
72.5 mm
Product or component type
Electronic thermal overload relay
tightening torque
Control circuit: 0.8 N.m on screw clamp terminals
Power circuit: 3.1 N.m on screw clamp terminals
[uimp] rated impulse withstand voltage
6 kV
Connections - terminals
Control circuit: screw clamp terminals 1 cable 2.5 mm² - cable stiffness: solid or flexible - without cable end
Power circuit: screw clamp terminals 1 cable 16 mm² - cable stiffness: solid or flexible - without cable end
Associated fuse rating
5 A gG for signalling circuit
5 A BS for signalling circuit
time range
1.5...4 min - automatic reset time
width (w)
45 mm
mechanical robustness
Vibrations 10...150 Hz: 6 Gn conforming to IEC 60068-2-6
Shocks 11 ms: 15 gn conforming to IEC 60068-2-7
Net weight
0.18 kg
Mounting support
Under contactor
Plate, with specific accessories
Rail, with specific accessories
depth
79.9 mm
Power consumption in w
300 mW
dielectric strength
6 kV 50 Hz conforming to IEC 60255-5
Phase failure sensitivity
Phase difference > 40% 3 s conforming to IEC 60947-4-1
Tripping threshold
1.25 In conforming to IEC 60947-4-1
Environment
Ambient air temp for storage/transportation
-55…80 °C
ip degree of protection
IP20 front face conforming to IEC 60529
operating altitude
2000 m without derating
ambient air temperature for operation
-25…70 °C conforming to IEC 60255-8
electromagnetic compatibility
Surge withstand: 2 kV common mode conforming to IEC 61000-4-5
Resistance to electrostatic discharge: 8 kV conforming to IEC 61000-4-2
Immunity to radiated radio-electrical interference: 10 V/m conforming to IEC 61000-4-3
Immunity to fast transients: 2 kV conforming to IEC 61000-4-4
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