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Electronic Thermal Overload Relay
LR9F5557 TeSys LRF – electronic thermal overload relay – 30…50 A – class 20
Original price was: ₦317,846.00.₦313,194.89Current price is: ₦313,194.89. 7.5% VAT
TeSys LRF – electronic thermal overload relay – 30…50 A – class 20
| range |
TeSys
|
|
|---|---|---|
| product name |
TeSys LRF
|
|
| device short name |
LR9F
|
|
| product or component type |
Electronic thermal overload relay
|
|
| relay application |
Motor protection
|
|
| product compatibility |
LC1F115…LC1F185
|
|
| network type |
AC
|
|
| thermal overload class |
Class 20 conforming to IEC 60947-4
|
|
| thermal protection adjustment range |
30…50 A
|
| 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 |
IEC 60947-1 8 kV
|
|
| 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 M6 |
|
| tightening torque |
Control circuit: 1.2 N.m on screw clamp terminals
Power circuit: 10 N.m on screw clamp terminals |
|
| height |
96 mm
|
|
| width |
115 mm
|
|
| depth |
123.5 mm
|
|
| net weight |
0.885 kg
|
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