
Schneider TeSys LR9 Electronic Thermal Overload Relays LR9F Motor Strater Relay
Applications
Electronics harnessed for motor starters. These ingenious electronic overload relays offer a wide current adjustment range and a high level of accuracy due to thermal modeling suitable for even the most demanding applications. They can be directly mounted to TeSys D and F contactors to form extremely compact motor starters.
Datasheet For Reference
Characteristics | |
Main | |
Range of product | TeSys F |
Device short name | LR9F |
Product or component type | Electronic thermal overload relay |
Relay application | Motor |
Product compatibility | LC1F115...LC1F185 |
Network type | DC |
Overload tripping class | Class 10 |
Signalling function | Alarm |
Thermal protection adjustment range | 30...50 A |
Protection type | GG fuse 80 A - for power circuit |
GG fuse 5 A - for control circuit | |
GB2 circuit breaker 5 A - for control circuit | |
BS fuse 5 A - for control circuit | |
AM fuses 50 A - for power circuit | |
Quantity per set | Set of 10 |
Complementary | |
Network frequency | 50/60 Hz |
[Us] rated supply voltage | 24 V DC |
Supply voltage limits | 17...32 V |
Mounting support | Rail |
Direct on contactor | |
Tripping threshold | 1.12 +/- 0.06 In tripping conforming to IEC 60947-4-1 |
1.05 +/- 0.06 In alarm conforming to IEC 60947-4-1 | |
Surge withstand | 4 kV conforming to IEC 61000-4-5 |
[Ith] conventional free air thermal current | 5 A for control circuit |
Maximum power | 600 VA at 600 V AC |
600 VA at 380 V AC | |
600 VA at 220 V AC | |
50 W at 110 V DC | |
45 W at 220 V DC | |
400 VA at 110 V AC | |
25 W at 440 V DC | |
200 VA at 48 V AC | |
100 W at 48 V DC | |
100 W at 24 V DC | |
100 VA at 24 V AC | |
[Ue] rated operational voltage | 1000 V AC 50/60 Hz for power circuit conforming to VDE 0110 group C |
[Ui] rated insulation voltage | 1000 V AC power circuit conforming to IEC 60947-4 |
[Uimp] rated impulse withstand voltage | 8 kV conforming to IEC 60947-1 |
Phase failure sensitivity | Tripping in 4 s +/- 20 % conforming to IEC 60947-4-1 |
Reset | Manual reset on front relay |
Temperature compensation | -20...70 °C |
Current consumption | <= 5 mA no-load |
Switching capacity in mA | 0...150 mA |
Output overload protection | Auto-protected |
Output short-circuit protection | Auto-protected |
Voltage drop | <= 2.5 V closed state |
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