SCHNEIDER - THERMAL OVERLOAD RELAY

Category: THERMAL OVERLOAD
No Referensi: LR9F7379
HUBUNGI KAMI

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TeSys LRF - electronic thermal overload relay - 300...500 A - class 10

 

Main
range
TeSys
product name
TeSys LRF
device short name
LR9F
product or component type
Electronic thermal overload relay
relay application
Motor protection
product compatibility
LC1F225...LC1F500
network type
AC
thermal overload class
Class 10 conforming to IEC 60947-4
thermal protection adjustment range
300…500 A
Complementary
network frequency
50/60 Hz
supply voltage limits
17…32 V
mounting support
Direct on contactor
Plate
tripping threshold
1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1
surge withstand
4 kV conforming to IEC 61000-4-5
contacts type and composition
1 NO + 1 NC
[Ith] conventional free air thermal current
5 A for control circuit
[Ue] rated operational voltage
1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C
[Ui] rated insulation voltage
Power circuit: 1000 V AC conforming to IEC 60947-4
[Uimp] rated impulse withstand voltage
8 kV IEC 60947-1
phase failure sensitivity
Tripping in 4 s +/- 20 % conforming to IEC 60947-4-1
reset
Manual reset on front relay
control type
Dial white full-load current adjustment
Test button red
Push-button red reset
Push-button stop
local signalling
Trip indicator
temperature compensation
-20…70 °C
current consumption
<= 5 mA no-load
switching capacity for alarm
0...150 mA
maximum voltage drop
<2.5 V closed state
connections - terminals
Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: flexible - with cable end
Control circuit: screw clamp terminals 1 cable 0.75…2.5 mm² - cable stiffness: solid
Control circuit: screw clamp terminals 1 cable 0.75…4 mm² - cable stiffness: flexible - without cable end
Control circuit: screw clamp terminals 2 cable 1…1.5 mm² - cable stiffness: flexible - with cable end
Control circuit: screw clamp terminals 2 cable 1…2.5 mm² - cable stiffness: flexible - without cable end
Control circuit: screw clamp terminals 2 cable 1 mm² - cable stiffness: solid
Power circuit: lugs-ring terminals M10
tightening torque
Control circuit: 1.2 N.m on screw clamp terminals
Power circuit: 35 N.m on screw clamp terminals
height
136.8 mm
width
150 mm
depth
127.6 mm
net weight
2.32 kg
Environment
standards
EN 60947-4-1
VDE 0660
IEC 60255-17
IEC 60947-4-1
IEC 60255-8
product certifications
CSA
UL
protective treatment
TH
IP degree of protection
IP20 conforming to IEC 60529
IP20 conforming to VDE 0106
ambient air temperature for operation
-20…55 °C conforming to IEC 60255-8
ambient air temperature for storage
-40…85 °C
operating altitude
<= 2000 m without derating
fire resistance
850 °C conforming to IEC 60695-2-1
mechanical robustness
Shocks: 13 Gn for 11 ms conforming to IEC 60068-2-7
Vibrations 5...300 Hz: 2 Gn conforming to IEC 60068-2-6
dielectric strength
6 kV 50 Hz conforming to IEC 255-5
electromagnetic compatibility
Resistance to electrostatic discharge: 6 kV in indirect mode conforming to IEC 61000-4-2
Resistance to electrostatic discharge: 8 kV in air conforming to IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test: 10 V/m conforming to IEC 61000-4-3
Fast transients immunity test: 2 kV conforming to IEC 61000-4-4
Packing Units
Unit Type of Package 1
PCE
Number of Units in Package 1
1
Package 1 Weight
1.972 kg
Package 1 Height
15 cm
Package 1 width
17 cm
Package 1 Length
16.6 cm